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HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Typical Applications
The HMC871LC5 is ideal for: * SONET OC-192 & SDH-STM-64 Transmission Systems * 10 GbE Transmitters * 10 Gbps VSR Modules * Pre-driver for 40 Gbps DQPSK Modules
Features
Wide Supply Range from 5V to 8V Adjustable Output Amplitude up to 4Vp-p Low Additive RMS Jitter, <300 fs Low DC Power Consumption, 0.25W for Vout = 2.5Vp-p at Vdd = 5V Cross Point Adjustment 32 Lead 5x5mm SMT Package: 25mm2
10
MICROWAVE & OPTICAL DRIVERS - SMT
* Broadband Gain Block for Test & Measurement Equipment
Functional Diagram
General Description
The HMC871LC5 is a GaAs MMIC PHEMT Distributed Driver Amplifier packaged in a leadless 5x5mm surface mount package. The amplifier operates between DC and 20 GHz and provides 15 dB of gain. The output swing cross point is adjustable and saturated output swing is 4Vp-p. Gain flatness is excellent at 0.5 dB as well as very low additive RMS jitter of 300 fs for 10 Gbps operation. The HMC871LC5 provides VSR and Gigabit Ethernet designers with scalable power dissipation for varying output drive requirements (<0.25W at Vout = 2.5Vp-p and <0.6W at Vout = 4Vp-p). The HMC871LC5 has a very wide supply (Vdd) operating range from +5V to +8V and the I/Os are internally matched to 50 Ohms.
Electrical Specifi cations, TA = +25 C, Vdd = 8V, VC = 0.5V, Idd = 75mA*
Parameter Gain Small Signal Bandwidth Input Return Loss Output Return Loss Gain Variation Over Temperature Group Delay Variation Saturated Output Power (Psat) Conditions Frequency = 1 - 8 GHz Frequency = 8 - 16 GHz Frequency = 16 - 20 GHz 3-dB cutoff Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 12 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz Min. 13 12 10 Typ. 16 15 13.5 17.5 20 10 15 10 0.016 0.025 15 18 16 0.022 0.36 Max. Units dB dB dB GHz dB dB dB dB dB/C dB/C ps dBm dBm
* Adjust Vgg between -1V to 0V to achieve Idd = 75 mA typical.
10 - 14
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Electrical Specifi cations, TA = +25 C, Vdd = 8V, VC = 0.5V, Idd = 75mA* Continued
Parameter Output Power for 1 dB Compression (P1dB) Rise Time [1] Fall Time [1] Additive RMS Jitter [2] Supply Current (Idd) (Vgg = -0.7V Typ.) Bias Current Adjust (Vgg) Output Voltage Adjust (VC) [1] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p. [2] RMS jitter is calculated with 22.5 Gbps 10101... pattern. * Adjust Vgg between -1V to 0V to achieve Idd = 75mA typical. -2 0 75 0 2 Conditions Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz 20% - 80% 20% - 80% Min. 14 11 Typ. 16.5 14 20 19 300 Max. Units dBm dBm ps ps fs mA V V
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MICROWAVE & OPTICAL DRIVERS - SMT
10 - 15
Electrical Specifi cations, TA = +25 C, Vdd = 5V, VC = 0.5V, Idd = 50mA*
Parameter Gain Small Signal Bandwidth Input Return Loss Output Return Loss Gain Variation Over Temperature Group Delay Variation Saturated Output Power (Psat) Output Power for 1 dB Compression (P1dB) Rise Time [1] Fall Time [1] Additive RMS Jitter
[2]
Conditions Frequency = 1 - 8 GHz Frequency = 8 - 16 GHz Frequency = 16 - 20 GHz 3-dB cutoff Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 12 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz 20% - 80% 20% - 80%
Min. 11.5 11 8
Typ. 14.5 14 11.5 18.5 15 10 10 10 0.017 0.024 15 14 11
Max.
Units dB dB dB GHz dB dB dB dB
0.024 0.034
dB/C dB/C deg dBm dBm dBm dBm ps ps
8 4
11 8 20 20 300 50
fs mA
Supply Current (Idd) (Vgg = -0.8V Typ.) Bias Current Adjust (Vgg) Output Voltage Adjust (VC) [1] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p. [2] RMS jitter is calculated with 22.5 Gbps 10101... pattern. * Adjust Vgg between -1V to 0V to achieve Idd = 50mA typical. -2 0
0 2
V V
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v03.1106 v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Gain & Return Loss @ Vdd = 8V
25 15
Gain & Return Loss @ Vdd = 5V
25 15
RESPONSE (dB)
5
S21 S11 S22
RESPONSE (dB)
5
S21 S11 S22
-5
-5
-15
-15
-25
-25
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MICROWAVE & OPTICAL DRIVERS - SMT
-35 0 2 4 6 8 10 12 14 16 18 20
-35 0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (GHz)
FREQUENCY (GHz)
Gain vs. Temperature @ Vdd = 8V
25
Gain vs. Temperature @ Vdd = 5V
25
20
20
GAIN (dB)
15
GAIN (dB)
+25C +85C -40C
15
10
10
5
5
+25C +85C -40C
0 0 2 4 6 8 10 12 14 16 18 20
0 0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (GHz)
FREQUENCY (GHz)
P1dB vs. Temperature @ Vdd = 8V
25 +25C +85C -40C
Psat vs. Temperature @ Vdd = 8V
25 +25C +85C -40C
22
22
19
PSAT (dBm)
0 2 4 6 8 10 12 14 16 18 20
P1dB (dBm)
19
16
16
13
13
10
10 0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (GHz)
FREQUENCY (GHz)
10 - 16
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Output Power vs. Input Power @ 10 GHz, Vdd = 5V
20
Output Power vs. Input Power @ 10 GHz, Vdd = 8V
20
OUTPUT POWER (dBm)
12
OUTPUT POWER (dBm)
16
16
12
8
+25C +85C -40C
8
4
4
+25C +85C -40C
0 -10 -8 -6 -4 -2 0 2 4 6 8 10
0 -10 -8 -6 -4 -2 0 2 4 6 8 10
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MICROWAVE & OPTICAL DRIVERS - SMT
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INPUT POWER (dBm)
INPUT POWER (dBm)
Rise Time vs. Vdd @ 22.5 Gbps [2]
25
Fall Time vs. Vdd @ 22.5 Gbps [2]
25
20
20
RISE TIME (ps)
FALL TIME (ps)
15
15
10
Vdd = 5V Vdd = 6V Vdd = 8V
10
Vdd = 5V Vdd = 6V Vdd = 8V
5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
VC (V)
VC (V)
Peak-to-Peak Jitter vs. Vdd @ 11.25 Gbps [1]
20
Peak-to-Peak Jitter vs. Vdd @ 22.5 Gbps [2]
20
15
15
P-P JITTER (ps)
10
P-P JITTER (ps)
Vdd = 5V Vdd = 6V Vdd = 8V
10
5
5
Vdd = 5V Vdd = 6V Vdd = 8V
0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
VC (V)
VC (V)
[1] Data input = 11.25 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p. [2] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
RMS Jitter vs. Vdd @ 22.5 Gbps [4]
300
Supply Current vs. Vdd @ 22.5 Gbps [3]
100
250
SUPPLY CURRENT (mA)
80
RMS JITTER (fs)
200
60
150
40
100
10
MICROWAVE & OPTICAL DRIVERS - SMT
Vdd = 5V Vdd = 6V Vdd = 8V
20
Vdd = 5V Vdd = 6V Vdd = 8V
50 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
VC (V)
VC (V)
11.25 Gbps NRZ Output Eye Diagrams
Measurements Current Jitter p-p Rise Time Fall Time Eye Amp 9.78 ps 19.6 ps 19.6 ps 3.03 V Min 7.11 ps 18.7 ps 18.7 ps 3.03 V Max 9.78 ps 19.6 ps 19.6 ps 3.03 V Units V ps ps ps
Time scale: 40 ps/div Amplitude scale: 800 mV/div Vdd = 8V, Vin: 11.25 Gbps NRZ PRBS 231-1, 0.5 Vp-p Vout: 3.03Vp-p
11.25 Gbps NRZ Output Eye Diagrams
Measurements Current Jitter p-p Rise Time Fall Time Eye Amp 11.56 ps 16.9 ps 16.9 ps 2.60 V Min 8.89 ps 16.9 ps 16.9 ps 2.60 V Max 11.56 ps 16.9 ps 17.8 ps 2.60 V Units V ps ps ps
Time scale: 40 ps/div Amplitude scale: 600 V/div Vdd = 5V, Vin: 11.25Gbps NRZ PRBS 231-1, 0.5V p-p, Vout: 2.60Vp-p
[1] Data input = 11.25 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p. [2] Source jitter was not de-embedded
[3] Data input 22.5 Gbps NRZ PRBS 223-1 pattern, 0.5 Vp-p. [4] RMS jitter is measured with 22.5 Gbps 10101...pattern
10 - 18
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
22.5 Gbps NRZ Output Eye Diagrams
Measurements Current Jitter p-p Rise Time Fall Time Eye Amp 9.333 ps 17.78 ps 17.78 ps 3.00 V Min 8.000 ps 17.78 ps 17.33 ps 3.00 V Max 9.333 ps 18.67 ps 18.67 ps 3.00 V Units V ps ps ps
Time scale: 20 ps/div Amplitude scale: 800 mV/div Vdd = 8V, Vin: 22.5 Gbps NRZ PRBS 231-1, 0.5 Vp-p Vout: 3.00Vp-p
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MICROWAVE & OPTICAL DRIVERS - SMT
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22.5 Gbps NRZ Output Eye Diagrams
Measurements Current Jitter p-p Rise Time Fall Time Eye Amp 10.667 ps 16.00 ps 17.78 ps 2.63 V Min 8.889 ps 10.67 ps 16.89 ps 2.63 V Max 11.556 ps 16.00 ps 17.78 ps 2.64 V Units V ps ps ps
Time scale: 20 ps/div Amplitude scale: 800 V/div Vdd = 5V, Vin: 22.5Gbps NRZ PRBS 231-1, 0.5V p-p, Vout: 2.63Vp-p
Absolute Maximum Ratings
Drain Bias Voltage (Vdd) Gate Bias Voltage (Vgg) Control Bias Voltage (VC) RF Input Power (RFIN)(Vdd = +8 Vdc) Channel Temperature Continuous Pdiss (T = 85 C) (derate 15.08 mW/C above 85 C) Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature ESD Sensitivity (HBM) +9V -2 to 0V (Vdd -8) to Vdd (V) +10 dBm 175 C 1.35 W 66.31 C/W -65 to +150 C -40 to +85 C Class 1A
Typical Supply Current vs. Vdd
Vdd (V) +5 +6 +8 Idd (mA)* 50 60 75 Power Dissipation (W) 0.25 0.36 0.60
* Adjust Vgg between -1V and 0V to achieve Idd shown.
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Outline Drawing
10
MICROWAVE & OPTICAL DRIVERS - SMT
NOTES: 1. PACKAGE BODY MATERIAL: ALUMINA 2. LEAD AND GROUND PADDLE PLATING: 30-80 MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL. 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND.
Pin Descriptions
Pin Number 1, 3, 4, 7 - 12, 14, 16 - 20, 23 - 29, 31 Function N/C Description The pins are not connected internally; however, all data shown herein was measured with these pins connected to RF/DC ground externally. Interface Schematic
2
VC
Output voltage swing adjust. +0.5V should be applied for nominal operation.
5
RFIN
This pin is DC coupled and matched to 50 Ohms. DC blocking is required.
6, 21
GND
These pins and exposed package base must be connected to RF/DC ground.
13
ACG2
Low frequency termination. Attach bypass capacitor per application circuit herein.
10 - 20
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Pin Descriptions
Pin Number Function Description Interface Schematic
15
Vgg
Gate control for amplifier. Please follow "MMIC Amplifier Biasing Procedure" application note.
22
RFOUT
This pin is DC coupled and matched to 50 Ohms. DC blocking is required.
10
MICROWAVE & OPTICAL DRIVERS - SMT
10 - 21
30
ACG1
Low frequency termination. Attach bypass capacitor per application circuit herein.
32
Vdd
Power supply for the amplifier. External bypass capacitors are required.
Application Circuit
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Evaluation PCB
10
MICROWAVE & OPTICAL DRIVERS - SMT
List of Materials for Evaluation PCB 127517 [1]
Item J1 - J2 J3 - J4 C1 C2, C3 C4, C9 C5 C6 C7 C8 U1 PCB [2] Description PCB Mount SMA Connector 2mm Molex Header 4.7 F Capacitor, Tantalum 1000 pF Capacitor, 0402 Pkg. 100 pF Capacitor, 0402 Pkg. 0.1 F Capacitor, 0603 Pkg. 0.01 F Capacitor, 0603 Pkg. 2.2 F Capacitor, 0603 Pkg. 1000 pF Capacitor, 0603 Pkg. HMC871LC5, Modulator Driver 127381 Evaluation PCB
The circuit board used in the application should use RF circuit design techniques. Signal lines should have 50 Ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation board should be mounted to an appropriate heat sink. The evaluation circuit board shown is available from Hittite upon request.
[1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Arlon 25FR or Rogers 4350
10 - 22
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC871LC5
v02.0110
EA OPTICAL MODULATOR DRIVER, DC - 20 GHz
Device Operation
These devices are susceptible to damage from Electrostatic Discharge. Proper precautions should be observed during handling, assembly and test. The input to this device should be AC-coupled. To provide the typical 4Vp-p output voltage swing, a 0.5Vp-p AC coupled input voltage swing is required.
Device Power Up Instructions
1. Ground the device, no RF signal applied to device 2. Set Vgg to -2V (no drain current) 3. Set VC to +0.5V (no drain current) 4. Set Vdd to +5V or +8V (no drain current) 5. Adjust Vgg for Idd = 50mA (Vdd = 5V) or Idd = 75mA (Vdd = 8V) 6. Apply RF signal. * Vgg may be varied between -1V and 0V to provide the desired eye crossing point percentage (i.e. 50% crosspoint) and a limited cross point control capability (20%)
10
MICROWAVE & OPTICAL DRIVERS - SMT
10 - 23
Device Power Down Instructions
1. Reverse the sequence identified above in steps 1 through 6.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

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