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DATA SHEET
SKY73012: 400 - 3900 MHz Direct Quadrature Demodulator
Applications
* WiMAX (802.16) receivers * CDMA macro and pico base stations * PCS, DCS, GSM/GPRS, and EDGE receivers * Third Generation (3G) wireless communications * Power amplifier feedback/linearization * Wireless Local Loops (WLLs) * Wireless Local Area Networks (WLANs) * RFID readers
Description
Skyworks SKY73012 is an integrated, broadband, high-dynamic range quadrature demodulator for use in various wireless communication system applications. The SKY73012 can perform quadrature demodulation of RF input signals from 400 to 3900 MHz directly to baseband frequencies. The quadrature outputs are differential and can be directly connected to most commonly available A/D converters. The high dynamic range and second order Input Intercept Point (IIP2) value of the SKY73012 make it ideal for use in direct conversion and low Intermediate Frequency (IF) receivers. Figure 1 shows a functional block diagram for the SKY73012. The device package and pinout for the 32-pin RF Land Grid Array (RFLGA) are shown in Figure 2. Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances) compliant packaging.
Features
* High IIP2 and IIP3 * Wideband RF input frequency range (400 to 3900 MHz) * Wideband LO input frequency range (400 to 3900 MHz) * Integrated LO balun * Integrated LO amplifier * On-chip I/Q phase splitter * Differential IF output supports direct interface to A/D circuitry * AM demodulation immunity * Single +3.0 V supply * RFLGATM (32 pin, 5 x 5 mm) Pb-free package (MSL3, 260 C per JEDEC J-STD-020)
GND
GND
GND
GND
27
I+
I-
RF+ RF-
0 90 180
LO
GND GND GND VCC VCC VCC GND GND GND
1 2 3 4 5 6 7 8 9
32
31
30
29
28
26
GND
25 24 23 22 21 20 19 18 17
RF+
RF-
GND IFIP GND IFIN GND IFQP GND IFQN GND
C1468
10
11
12
13
14
15
16
GND
GND
GND
GND
LO
GND
Q+
Q-
C1469
Figure 1. SKY73012 Functional Block Diagram
Figure 2. SKY73012 Pinout- 32-Pin RFLGA Package (Top View)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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GND
1
DATA SHEET * SKY73012 DEMODULATOR
Table 1. SKY73012 Signal Descriptions
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GND GND GND VCC VCC VCC GND GND GND GND GND GND GND LO GND GND Name Ground Ground Ground +3 VDC supply +3 VDC supply +3 VDC supply Ground Ground Ground Ground Ground Ground Ground LO input Ground Ground Description Pin # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 GND IFQN GND IFQP GND IFIN GND IFIP GND GND GND RF- GND RF+ GND GND Name Ground Negative quadrature IF output Ground Positive quadrature IF output Ground Negative in-phase IF output Ground Positive in-phase IF output Ground Ground Ground Negative RF input Ground Positive RF input Ground Ground Description
Electrical and Mechanical Specifications
Signal pin assignments and functional pin descriptions are provided in Table 1. The absolute maximum ratings of the SKY73012 are provided in Table 2 and the recommended operating conditions provided in Table 3. Electrical characteristics of the SKY73012 are provided in Table 4. Typical performance characteristics of the SKY73012 are illustrated in Figures 3 through 59. Figure 67 provides the package dimensions for the 32-pin RFLGA, and Figure 68 provides the tape and reel dimensions.
The SKY73012 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, PCB Design & SMT Assembly/Rework Guidelines for RFLGA Packages, document number 103147. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. For packaging details, refer to the Skyworks Application Note Tape and Reel, document number 101568.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly.
Electrostatic Discharge (ESD) Sensitivity
The SKY73012 is a static-sensitive electronic device. Do not operate or store near strong electrostatic fields. Take proper ESD precautions.
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DATA SHEET * SKY73012 DEMODULATOR
Table 2. SKY73012 Absolute Maximum Ratings (TA = +25 C, unless otherwise noted)
Parameter +3 V supply voltage Power dissipation RF input power LO input power Operating case temperature Storage case temperature
Note:
Symbol VCC PD PRFIN PLOIN TOPR TSTG
Min 2.7
Typical
Max 3.6
Units V mW dBm dBm C C
210
320 18
0 -40 -40 0
6 +85 +125
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal values.
Table 3. SKY73012 Recommended Operating Conditions
Parameter +3 V supply voltage Current consumption Operating case temperature VCC ICC TOPR -40 Symbol Min 2.7 Typical 3.0 75 +85 Max 3.3 Units V mA C
Table 4. SKY73012 Electrical Characteristics (1 of 3) (VCC = 3 V, IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, unless otherwise noted)
Parameter RF input frequency range LO input frequency range IF frequency range I/Q amplitude imbalance I/Q phase error IF output impedance (Note 1) IF output DC level 900 MHz RF Input (Note 2) Voltage conversion gain Power conversion gain SSB Noise Figure 2nd Order Input Intercept Point 3 Order Input Intercept Point Input 1 dB compression RF input VSWR LO input VSWR IF output noise floor RF to LO isolation LO to IF isolation With external matching components, ZO = 50 With external matching components, ZO = 50
rd
Symbol
Test Conditions
Min 400 400 DC -0.3 -3
Typical
Max 3900 3900 250 +0.3
Units MHz MHz MHz dB deg
+1 500
+3
Over process and operating temperature
0.95
1.20
1.55
V
1 -10.5 NF IIP2 IIP3 55 26 10.5 -9.0 15.5 60 29 12 1.5:1 1.5:1 -167 68 44 17.5
dB dB dB dBm dBm dBm
dBm/Hz dB dB
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DATA SHEET * SKY73012 DEMODULATOR
Table 4. SKY73012 Electrical Characteristics (2 of 3) (VCC = 3 V, IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, unless otherwise noted)
Parameter 1900 MHz RF Input (Note 2) Voltage conversion gain Power conversion gain SSB Noise Figure 2 Order Input Intercept Point 3rd Order Input Intercept Point Input 1 dB compression RF input VSWR LO input VSWR IF output noise floor RF to LO isolation LO to IF isolation 2600 MHz RF Input (Note 2) Voltage conversion gain Power conversion gain SSB Noise Figure 2nd Order Input Intercept Point 3rd Order Input Intercept Point Input 1 dB compression RF input VSWR LO input VSWR IF output noise floor RF to LO isolation LO to IF isolation With external matching components, ZO = 50 With external matching components, ZO = 50 NF IIP2 IIP3 43 23.0 12.0 -11.5 -0.5 -10.5 18.5 48 25.5 13.5 1.5:1 2.5:1 -166 55 30 dBm/Hz dB dB 20.0 dB dB dB dBm dBm dBm With external matching components, ZO = 50 With external matching components, ZO = 50
nd
Symbol
Test Conditions
Min
Typical
Max
Units
1.1 -10.5 NF IIP2 IIP3 49 23 10.0 -8.9 16.0 54 25 11.2 1.5:1 1.5:1 -166 61 31 17.5
dB dB dB dBm dBm dBm
dBm/Hz dB dB
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DATA SHEET * SKY73012 DEMODULATOR
Table 4. SKY73012 Electrical Characteristics (2 of 3) (VCC = 3 V, IF = 10 MHz, LO Input Power = 0 dBm, TC = 25 C, unless otherwise noted)
Parameter 3600 MHz RF Input (Note 2) Voltage conversion gain Power conversion gain SSB Noise Figure 2 Order Input Intercept Point (Note 3) 3rd Order Input Intercept Point (Note 3) Input 1 dB compression RF input VSWR LO input VSWR IF output noise floor RF to LO isolation LO to IF isolation
Note 1: Differential IFI and IFQ output impedance without the use of a 9:1 impedance ratio balun. Note 2: The recommended LO input power level can vary from -3 dBm to +3 dBm for the 900, 1900, and 2600 MHz RF input frequencies. Above 3300 MHz, better performance is achieved by using a higher LO input power level such as +5 dBm. Note 3: When a +5 dBm LO input power level is applied at 3600 MHz, the typical IIP2 value is 51 dBm and the typical IIP3 value is 22.5 dBm.
nd
Symbol
Test Conditions
Min
Typical
Max
Units
-0.5 -11.5 NF IIP2 IIP3 44 19.0 11.5 With external matching components, ZO = 50 With external matching components, ZO = 50 -10.5 19.0 50 21.5 12.5 1.5:1 3.0:1 -165 58 24 20.5
dB dB dB dBm dBm dBm
dBm/Hz dB dB
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DATA SHEET * SKY73012 DEMODULATOR
-7.0 -7.5 -8.0 -8.5
-7.0 -7.5 -8.0 -8.5
Gain (dB)
-9.5 -10.0 -10.5 -11.0 -11.5 -12.0 800 850 900 950 1000
Gain (dB)
-9.0
-9.0 -9.5 -10.0 -10.5 -11.0 -11.5 -12.0 800 850 900 950 1000
-10 dBm 0 dBm +3 dBm
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 3. Power Conversion Gain vs Frequency and LO Power @ 900 MHz
Figure 4 Power Conversion Gain vs Frequency and Temperature @ 900 MHz
-7.0 -7.5 -8.0 -8.5
20 19 18 17
Gain (dB)
-9.5 -10.0 -10.5 -11.0 -11.5 -12.0 800 850 900 950 1000
NF (dB)
-9.0
16 15 14
2.7 V 3.0 V 3.3 V
13 12 11 10 800 850 900 950
-10 dBm 0 dBm +3 dBm
1000
Frequency (MHz)
Frequency (MHz)
Figure 5. Power Conversion Gain vs Frequency and Supply Voltage @ 900 MHz
Figure 6. Noise Figure vs Frequency and LO Power @ 900 MHz
20 19 18 17
20 19 18 17
NF (dB)
NF (dB)
-40 oC +25 oC +85 oC
16 15 14 13 12 11 10 800 850 900 950 1000
16 15 14 13 12 11 10 800 850 900 950 1000
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 7. Noise Figure vs Frequency and Temperature @ 900 MHz
Figure 8. Noise Figure vs Frequency and Supply Voltage @ 900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
68 67 66 65
68 67 66 65
IIP2 (dBm)
IIP2 (dBm)
64 63 62 61 60 59 58 800 850 900 950 1000
64 63 62 61 60 59 58 800 850 900 950 1000
-10 dBm 0 dBm +3 dBm
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 9. IIP2 vs Frequency and LO Power @ 900 MHz
Figure 10. IIP2 vs Frequency and Temperature @ 900 MHz
68 67 66 65
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
800 850 900 950 1000
IIP2 (dBm)
64 63 62 61 60 59 58
2.7 V 3.0 V 3.3 V
IIP3 (dBm)
-10 dBm 0 dBm +3 dBm
800 850 900 950 1000
Frequency (MHz)
Frequency (MHz)
Figure 11. IIP2 vs Frequency and Supply Voltage @ 900 MHz
Figure 12. IIP3 vs Frequency and LO Power @ 900 MHz
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 800 850 900 950 1000
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 800 850 900 950 1000
IIP3 (dBm)
IIP3 (dBm)
-40 +25 +85 C
o C o C o
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 13. IIP3 vs Frequency and Temperature @ 900 MHz
Figure 14. IIP3 vs Frequency and Supply Voltage @ 900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
15.0 14.5 14.0 13.5
15.0 14.5 14.0 13.5
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 800 850 900 950 1000
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 800 850 900 950 1000
-10 dBm 0 dBm +3 dBm
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 15. Input 1 dB Compression Point vs Frequency and LO Power @ 900 MHz
Figure 16 Input 1 dB Compression Point vs Frequency and Temperature @ 900 MHz
15.0 14.5 14.0 13.5
80
2.7 V 3.0 V 3.3 V
RF to LO Isolation (dB)
78 76 74 72 70 68 66 64 62
-40 oC +25 oC +85 oC
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 800 850 900 950 1000
60 800 850 900 950 1000
Frequency (MHz)
Frequency (MHz)
Figure 17. Input 1 dB Compression Point vs Frequency and Supply Voltage @ 900 MHz
Figure 18. RF to LO Isolation vs Frequency and Temperature @ 900 MHz
60 58 56
+0.30
Amplitude Imbalance (dB)
-40 oC +25 oC +85 oC
+0.25 +0.20 +0.15 +0.10 +0.05 0 -0.05 -0.10 -0.15 -0.20 -0.25 -0.30
-40 oC +25 oC +85 oC
LO to IF Isolation (dB)
54 52 50 48 46 44 42 40 800 850 900 950 1000
800
850
900
950
1000
Frequency (MHz)
Frequency (MHz)
Figure 19. LO to IF Isolation vs Frequency and Temperature @ 900 MHz
Figure 20. IQ Amplitude Imbalance vs Frequency and Temperature @ 900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
+3.0 +2.5 +2.0
-7.0 -7.5 -8.0 -8.5
Phase Error (degrees)
+1.5 +1.0
Gain (dB)
+0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 800 850 900 950 1000
-9.0 -9.5 -10.0 -10.5 -11.0 -11.5 -12.0 1800 1850 1900 1950 2000
-40 oC +25 oC +85 oC
-10 dBm 0 dBm +3 dBm
Frequency (MHz)
Frequency (MHz)
Figure 21. I/Q Phase Error vs Frequency and Temperature @ 900 MHz
Figure 22. Power Conversion Gain vs Frequency and LO Power @ 1900 MHz
-7.0 -7.5 -8.0 -8.5
-7.0 -7.5 -8.0 -8.5
Gain (dB)
Gain (dB)
-9.0 -9.5 -10.0 -10.5 -11.0 -11.5 -12.0 1800 1850 1900 1950 2000
-9.0 -9.5 -10.0 -10.5
-40 oC +25 oC +85 oC
-11.0 -11.5 -12.0 1800 1850 1900 1950
2.7 V 3.0 V 3.3 V
2000
Frequency (MHz)
Frequency (MHz)
Figure 23. Power Conversion Gain vs Frequency and Temperature @ 1900 MHz
Figure 24. Power Conversion Gain vs Frequency and Supply Voltage @ 1900 MHz
20 19 18
20 19 18
Noise Figure (dB)
Noise Figure (dB)
17 16 15 14 13 12 11 10 1800 1850 1900 1950 2000
17 16 15 14 13 12 11 10 1800 1850 1900 1950 2000
-10 dBm 0 dBm +3 dBm
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 25. Noise Figure vs Frequency and LO Power @ 1900 MHz
Figure 26. Noise Figure vs Frequency and Temperature @ 1900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
20 19 18
70 68 66 64
-10 dBm 0 dBm +3 dBm
Noise Figure (dB)
17
IIP2 (dBm)
16 15 14 13 12 11 10 1800 1850 1900 1950 2000
62 60 58 56 54 52 50 1800 1850 1900 1950 2000
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 27. Noise Figure vs Frequency and Supply Voltage @ 1900 MHz
Figure 28. IIP2 vs Frequency and LO Power @ 1900 MHz
70 68 66 64
70
-40 oC +25 oC +85 oC
68 66 64
IIP2 (dBm)
IIP2 (dBm)
62 60 58 56 54 52 50 1800 1850 1900 1950 2000
62 60 58 56 54 52 50 1800 1850 1900 1950 2000
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 29. IIP2 vs Frequency and Temperature @ 1900 MHz
Figure 30. IIP2 vs Frequency and Supply Voltage @ 1900 MHz
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 1800 1850 1900 1950
-10 dBm 0 dBm +3 dBm
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
2000
-40 oC +25 oC +85 oC
IIP3 (dBm)
IIP3 (dBm)
1800
1850
1900
1950
2000
Frequency (MHz)
Frequency (MHz)
Figure 31. IIP3 vs Frequency and LO Power @ 1900 MHz
Figure 32. IIP3 vs Frequency and Temperature @ 1900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 1800 1850 1900 1950
15
2.7 V 3.0 V 3.3 V
P1dB (dBm)
14 13 12 11 10 9 8 7 6 5
IIP3 (dBm)
-10 dBm 0 dBm +3 dBm
1800 1850 1900 1950 2000
2000
Frequency (MHz)
Frequency (MHz)
Figure 33. IIP3 vs Frequency and Supply Voltage @ 1900 MHz
Figure 34. Input 1 dB Compression Point vs Frequency and LO Power @ 1900 MHz
15 14 13 12
15 14 13 12
P1dB (dBm)
P1dB (dBm)
11 10 9 8 7 6 5 1800 1850 1900 1950 2000
11 10 9 8 7 6 5 1800 1850 1900 1950 2000
-40 oC +25 oC +85 oC
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 35. Input 1 dB Compression Point vs Frequency and Temperature @ 1900 MHz
Figure 36. Input 1 dB Compression Point vs Frequency and Supply Voltage @ 1900 MHz
70 68 66
55 53 51
RF to LO Isolation (dB)
64 62 60 58 56 54 52 50 1800 1850 1900 1950 2000
LO to IF Isolation (dB)
49 47 45 43 41 39 37 35 1800 1850 1900 1950 2000
-40 oC +25 oC +85 oC
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 37. RF to LO Isolation vs Frequency and Temperature @ 1900 MHz
Figure 38. LO to IF Isolation vs Frequency and Temperature @ 1900 MHz
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DATA SHEET * SKY73012 DEMODULATOR
0.30 0.25
3.0 2.5 2.0
I/Q Amplitude Imbalance (dB)
0.20
Phase Error (degrees)
0.15 0.10 0.05 0 -0.05 -0.10 -0.15 -0.20 -0.25 -0.30 1800 1850 1900 1950 2000
1.5 1.0 0.5 0 -0.5 -0.1 -1.5 -2.0 -2.5 -3.0 1800 1850 1900 1950 2000
-40 oC +25 oC +85 oC
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 39. I/Q Amplitude Imbalance vs Frequency and Temperature @ 1900 MHz
Figure 40. I/Q Phase Error vs Frequency and Temperature @ 1900 MHz
-8.0 -8.5 -9.0 -9.5
-8.0
-10 dBm 0 dBm +3 dBm
-8.5 -9.0 -9.5
-40 oC +25 oC +85 oC
Gain (dB)
-10.5 -11.0 -11.5 -12.0 -12.5 -13.0 2500 2550 2600 2650 2700
Gain (dB)
-10.0
-10.0 -10.5 -11.0 -11.5 -12.0 -12.5 -13.0 2500 2550 2600 2650 2700
Frequency (MHz)
Frequency (MHz)
Figure 41. Power Conversion Gain vs Frequency and LO Power @ 2600 MHz
Figure 42. Power Conversion Gain vs Frequency and Temperature @ 2600 MHz
-8.0 -8.5 -9.0 -9.5
22
2.7 V 3.0 V 3.3 V
Noise Figure (dB)
21 20 19 18 17 16 15 14 13 12
Gain (dB)
-10.0 -10.5 -11.0 -11.5 -12.0 -12.5 -13.0 2500 2550 2600 2650 2700
-10 dBm 0 dBm +3 dBm
2500 2550 2600 2650 2700
Frequency (MHz)
Frequency (MHz)
Figure 43. Power Conversion Gain vs Frequency and Supply Voltage @ 2600 MHz
Figure 44. Noise Figure vs Frequency and LO Power @ 2600 MHz
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DATA SHEET * SKY73012 DEMODULATOR
22 21 20
22 21 20
Noise Figure (dB)
Noise Figure (dB)
19 18 17 16 15 14 13 12 2500 2550 2600 2650 2700
19 18 17 16 15 14 13 12 2500 2550 2600 2650 2700
-40 +25 +85 C
o C o C o
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 45. Noise Figure vs Frequency and Temperature @ 2600 MHz
Figure 46. Noise Figure vs Frequency and Supply Voltage @ 2600 MHz
58 56 54 52
58 56 54 52
IIP2 (dBm)
-10 dBm 0 dBm +3 dBm
IIP2 (dBm)
50 48 46 44 42 40 38 2500 2550 2600 2650 2700
50 48 46 44 42 40 38 2500 2550 2600 2650 2700
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 47. IIP2 vs Frequency and LO Power @ 2600 MHz
Figure 48. IIP2 vs Frequency and Temperature @ 2600 MHz
58 56 54 52
30 29 28 27 26
IIP2 (dBm)
50 48 46 44 42 40 38 2500 2550 2600 2650 2700
IIP3 (dBm)
25 24 23 22 21 20 19 18 17 16 2500 2550 2600 2650 2700
2.7 V 3.0 V 3.3 V
-10 dBm 0 dBm +3 dBm
Frequency (MHz)
Frequency (MHz)
Figure 49. IIP2 vs Frequency and Supply Voltage @ 2600 MHz
Figure 50. IIP3 vs Frequency and LO Power @ 2600 MHz
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DATA SHEET * SKY73012 DEMODULATOR
30 29 28 27 26
30 29 28 27 26
IIP3 (dBm)
24 23 22 21 20 19 18 17 16 2500 2550 2600 2650 2700
IIP3 (dBm)
-40 +25 +85 C
o C o C o
25
25 24 23 22 21 20 19 18 17 16 2500 2550 2600 2650 2700
2.7 V 3.0 V 3.3 V
Frequency (MHz)
Frequency (MHz)
Figure 51. IIP3 vs Frequency and Temperature @ 2600 MHz
Figure 52. IIP3 vs Frequency and Supply Voltage @ 2600 MHz
15.0 14.5 14.0 13.5
15.0 14.5 14.0 13.5
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 2500 2550 2600 2650 2700
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 2500 2550 2600 2650 2700
-10 dBm 0 dBm +3 dBm
-40 oC +25 oC +85 oC
Frequency (MHz)
Frequency (MHz)
Figure 53. Input 1 dB Compression Point vs Frequency and LO Power @ 2600 MHz
Figure 54. Input 1 dB Compression Point vs Frequency and Temperature @ 2600 MHz
15.0 14.5 14.0 13.5
65 63 61
RF to LO Isolation (dB)
-40 oC +25 oC +85 oC
59 57 55 53 51 49 47 45
P1dB (dBm)
13.0 12.5 12.0 11.5 11.0 10.5 10.0 2500 2550 2600
2.7 V 3.0 V 3.3 V
2650 2700
2500
2550
2600
2650
2700
Frequency (MHz)
Frequency (MHz)
Figure 55. Input 1 dB Compression Point vs Frequency and Supply Voltage @ 2600 MHz
Figure 56. RF to LO Isolation vs Frequency and Temperature @ 2600 MHz
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DATA SHEET * SKY73012 DEMODULATOR
50 48 46
0.30
I/Q Amplitude Imbalance (dB)
LO to IF Isolation (dB)
44 42 40 38 36 34 32 30 2500 2550 2600 2650
-40 oC +25 oC +85 oC
0.25 0.20 0.15 0.10 0.05 0 -0.05 -0.10 -0.15 -0.20 -0.25 -0.30
2700
-40 oC +25 oC +85 oC
2500
2550
2600
2650
2700
Frequency (MHz)
Frequency (MHz)
Figure 57. LO to IF Isolation vs Frequency and Temperature @ 2600 MHz
Figure 58. I/Q Amplitude Imbalance vs Frequency and Temperature @ 2600 MHz
3.0 2.5 2.0
Phase Error (degrees)
1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 2500 2550 2600 2650 2700
-40 oC +25 oC +85 oC
Frequency (MHz)
Figure 59. I/Q Phase Error vs Frequency and Temperature @ 2600 MHz
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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DATA SHEET * SKY73012 DEMODULATOR
Evaluation Board Description
The SKY73012 Evaluation Board is used to test the performance of the SKY73012 direct quadrature demodulator. There are three Evaluation Boards for this device, each configured for a specific frequency range. Each of these boards is described by the following Figures and Tables: * 800 to 1000 MHz: Figure 60 (schematic), Table 5 (component values), and Figure 61 (assembly diagram) * 1800 to 3900 MHz: Figure 62 (schematic), Table 6 (component values), and Figure 63 (assembly diagram) * Custom Frequency: Figure 64 (schematic), Table 7 (component values), and Figure 65 (assembly diagram) Circuit Design Considerations The following design considerations are general in nature and must be followed regardless of final use or configuration. 1. Paths to ground should be made as short as possible. 2. The ground pad of the SKY73012 direct quadrature demodulator has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device. As such, design the connection to the ground pad to dissipate the maximum wattage produced to the circuit board. 3. Two external output bypass capacitors are required on the VCC pin. The values of these capacitors will change with respect to the desired RF frequency. One capacitor should be used for low frequency bypassing and the other capacitor for high frequency bypassing. Special attention should be given so that the smaller value capacitor does not go into selfresonance at the desired RF frequency.
4. The RF input must be driven differentially. A 1:1 impedance ratio balun is recommended with a center tap on the secondary side that is DC grounded. Testing Procedure Use the following procedure to set up the SKY73012 Evaluation Board for testing. Refer to Figure 66 for guidance: 1. Connect a +3.0 VDC power supply using an insulated supply cable. If available, enable the current limiting function of the power supply to 100 mA. 2. Connect a signal generator to the RF signal input port. Set it to the desired RF frequency at a power level of 0 dBm to the Evaluation Board but do NOT enable the RF signal. 3. Connect a signal generator to the LO signal input port. Set to the desired LO frequency at a power level of 0 dBm, but do not enable. 4. Connect a spectrum analyzer to the IFI signal output port and terminate the IFQ signal input port in 50 . 5. Enable the power supply. 6. Enable the LO input signal. 7. Enable the RF signal. 8. Take measurements and repeat these steps for channel Q. CAUTION: If any of the input signals exceed the rated maximum values, the SKY73012 Evaluation Board can be permanently damaged.
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DATA SHEET * SKY73012 DEMODULATOR
1 1 2
5
2
T1
4 3 6 1
J1 2-Pin Header
J2 SMA
C1 33 pF
32 31 30 29 28 27 26
RF+
GND
GND
GND
RF-
GND
1
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 3 2 1 4 3 2 1 4
C2 1000 pF
2 3 4 5 6 7 8 9
T2
6
I_IF
1
J3 SMA
U1
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0
1
J5 SMA
S181
Figure 60. SKY73012 Evaluation Board Schematic (800 to 1000 MHz) Table 5. SKY73012 Evaluation Board Component Values (800 to 1000 MHz)
Reference Designator C1 C2 J1 J2 J3 J4 J5 R1 T1 T2 T3 U1 Quantity 1 1 1 1 1 1 1 1 1 1 1 1 33 pF (0603) 1000 pF (0603) Two-pin header connector SMA connector SMA connector SMA connector SMA connector 0 (0603) 1:1 (800-1000 MHz) 9:1 9:1 - Murata Mini-Circuits Mini-Circuits Skyworks LDB31900M05C-417 TCM-9-1 TCM-9-1 SKY73012-11 Value Manufacturer Part Number
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200473B * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * January 12, 2007
GND
GND
GND
LO
17
DATA SHEET * SKY73012 DEMODULATOR
J3
J4
T2
T3
J2
T1
U1
J5
R1
C2 C1
J1 Component Placement
Top Layer
Bottom Layer
S920
Figure 61. SKY73012 Evaluation Board Assembly Diagram (800 to 1000 MHz) (Top View)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 18
January 12, 2007 * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * 200473B
DATA SHEET * SKY73012 DEMODULATOR
2, 5 1 2
1
T1
3 4 1
J1 2-Pin Header
J2 SMA
C1 33 pF
32 31 30 29 28 27 26
RF+
GND
GND
GND
RF-
GND
1
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 3 2 1 4 3 2 1 4
C2 1000 pF
2 3 4 5 6 7 8 9
T2
6
I_IF
1
J3 SMA
U1
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0
1
J5 SMA
S731
Figure 62. SKY73012 Evaluation Board Schematic (1800 to 3900 MHz) Table 6. SKY73012 Evaluation Board Component Values (1800 to 3900 MHz)
Reference Designator C1 C2 J1 J2 J3 J4 J5 R1 T1 Quantity 1 1 1 1 1 1 1 1 1 33 pF (0603) 1000 pF (0603) Two-pin header connector SMA connector SMA connector SMA connector SMA connector 0 (0603) 1:1 (1800-2000 MHz), or 1:1 (2500-2700 MHz), or 1:1 (3600-3800 MHz) 9:1 9:1 - Murata Murata Johanson Mini-Circuits Mini-Circuits Skyworks LDB211G9005C-001 LDB212G4005C-001 3700BL15B050SX TCM-9-1 TCM-9-1 SKY73012-11 Value Manufacturer Part Number
T2 T3 U1
1 1 1
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200473B * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * January 12, 2007
GND
GND
GND
LO
19
DATA SHEET * SKY73012 DEMODULATOR
J2
T1
J1
C1 C2
U1
T2
J3
T3 R1
J4
J5
Component Placement
Top Layer
Bottom Layer
S921
Figure 63. SKY73012 Evaluation Board Assembly Diagram (1800 to 3900 MHz) (Top View)
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DATA SHEET * SKY73012 DEMODULATOR
L1 TBD 1 2
L2 TBD
L3 TBD
M/A-COM ETC1-1-13 T1
J1 2-Pin Header
C3 3.3 pF 1
J2 SMA
C1 33 pF (5404R23-019) 32 31 30 29 28 27 26
GND
GND
RF+
GND
RF-
GND
1 C2 1000 pF (5404R23-057) 2 3 4 5 6 7 8 9
GND
GND GND GND VCC VCC VCC GND GND
GND IFIP GND IFIN
25 24 23 22 21 20 19 18 17 IFQN IFQP 3 2 1 TCM-9-1 4 IFIN IFIP 3 2 1 TCM-9-1 4
T2
6
I_IF
1
J3 SMA
U1
GND IFQP GND IFQN
T3
6
Q_IF
1
J4 SMA
GND
GND
GND
GND
GND
10
11
12
13
14
15
16
R1 0 (5424R20-146)
1
GND
J5 SMA
GND
GND
LO
S713
Figure 64. SKY73012 Evaluation Board Schematic (Custom Frequency) Table 7. SKY73012 Evaluation Board Component Values (Custom Frequency) (1 of 2)
Reference Designator C1 C2 C3 J1 J2 J3 J4 J5 L1 L2 L3 1 1 1 1 1 1 1 1 Quantity 1 1 33 pF (0603) 1000 pF (0603) Adjusted for best match at desired frequency Two-pin header connector SMA connector SMA connector SMA connector SMA connector Adjusted for best match at desired frequency Adjusted for best match at desired frequency Adjusted for best match at desired frequency Value Manufacturer Part Number
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DATA SHEET * SKY73012 DEMODULATOR
Table 7. SKY73012 Evaluation Board Component Values (Custom Frequency) (2 of 2)
Reference Designator R1 T1 T2 T3 U1 Quantity 1 1 1 1 1 0 (0603) 1:1 (4.5-3000 MHz), 9:1 9:1 - M/A-COM Mini-Circuits Mini-Circuits Skyworks ETC1-1-13 TCM-9-1 TCM-9-1 SKY73012-11 Value Manufacturer Part Number
J3
J4
T2
T3
T1
R1
U1
J2
C3
L1
J5
L2
L3
C2 C1
J1 Component Placement
Top Layer
Bottom Layer
S922
Figure 65. SKY73012 Evaluation Board Assembly Diagram (Custom Frequency) (Top View)
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DATA SHEET * SKY73012 DEMODULATOR
Power Supply
VCC GND Signal Generator RF
IFI
Spectrum Analyzer
SKY73012 Evaluation Board
LO
IFQ 50
Signal Generator
S714
Figure 66. SKY73012 Evaluation Board Testing Configuration
5.04 0.05 Pin #1 Indicator Solder Mask
Pin #1 Indicator
Pin #1 Ground Pad
0.5 5.04 0.05
0.5
Detail A
2.0
Top View
Bottom View
Solder Mask Exposed Metal
1.0 0.1
0.38 0.05 (32x)
Side View
All measurements are in millimeters
0.3 0.02 (32x)
0.05 Ref.
Package Edge
0.4 0.05 (32x)
Detail A
Figure 67. SKY73012 32-Pin RFLGA Package Dimensions
C1285a
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
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DATA SHEET * SKY73012 DEMODULATOR
2.00 0.05 1.55 0.05 0.30 0.05 8.00 4.00
B
Pin #1 Indicator
1.75 0.10
5.50 0.05
A
5.35
A
5o Max. 1.70
B
1.50 Min. 5.35
B
Notes: 1. Carrier tape: black conductive polystyrene 2. Cover tape material: transparent conductive PSA 3. Cover tape size: 9.3 mm width 4. All dimensions are in millimeters
5o Max.
A
S461
Figure 68. SKY73012 32-Pin RFLGA Tape and Reel Dimensions
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 24
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12.00 0.30
DATA SHEET * SKY73012 DEMODULATOR
Ordering Information
Model Name SKY73012 400-3900 MHz Direct Quadrature Modulator Manufacturing Part Number SKY73012-11 (Pb-free package) Evaluation Kit Part Number TW16-D151-001 (800 to 1000 MHz) TW16-D166-001 (1800 to 2000 MHz) TW16-D167-001 (2400 to 2700 MHz) TW16-D168-001 (3200 to 3900 MHz) TW16-D171-001 (Custom Frequency)
Copyright (c) 2006, 2007 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale. THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A PARTICULAR PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWORKS DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THE MATERIALS OR INFORMATION, WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury, death, physical or environmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks, the Skyworks symbol, and "Breakthrough Simplicity" are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200473B * Skyworks Proprietary and Confidential information * Products and Product Information are Subject to Change Without Notice * January 12, 2007
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