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(R)
SD2922
RF POWER TRANSISTORS HF/VHF/UHF N-CHANNEL MOSFETs
s s s s
GOLD METALLIZATION EXCELLENT THERMAL STABILITY COMMON SOURCE CONFIGURATION POUT = 300W MIN. WITH 12.5 dB GAIN @175 MHz
DESCRIPTION The SD2922 is a gold metallized N-Channel MOS field-effect RF power transistor. The SD2922 is intended for use in 50V dc large signal applications up to 200 MHz
M244 epoxy sealed ORDER CODE BRANDING SD2922 SD2922
PIN CONNECTION
1. Drain 2. Gate ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC)
Symbol V (BR)DSS V DGR V GS ID P DI SS Tj T STG Parameter Drain Source Voltage Drain-Gate Voltage (R GS = 1M) Gate-Source Voltage Drain Current Power Dissipation Max. O perating Junction Temperature Storage T emperature Value 125 125 20 40 500 +200 -65 to 150
3. Source
Uni t V V V A W
o o
C C
THERMAL DATA
R th (j-c) R th(c -s) Junction-Case Thermal Resistance Case Heatsink Thermal Resistance 0.35 0.12
o o
C/W C/W
Determined using a flat aluminum or copper heatsink with thermal compound applied (Dow Corning 340 or equivalent).
November 1999
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SD2922
ELECTRICAL SPECIFICATION (Tcase = 25 oC) STATIC (per section)
Symb ol V (BR)DSS I DSS I GSS V GS(Q) V DS(on) gfs C ISS C OSS C RSS V GS = 0 V V GS = 0 V V GS = 20 V V DS = 10 V V GS = 10V V DS = 10V V GS = 0V V GS = 0V V GS = 0V Parameter IDS = 100 mA VDS = 50 V VDS = 0 V ID = 250 mA I D = 10 A ID = 5 A VDS = 50 V VDS = 50 V VDS = 50 V f = 1 MHz f = 1 MHz f = 1 MHz 4 411 198 27 1 Min. 125 5 5 5 3 Typ . Max. Un it V mA A V V mho pF pF pF
REF. 1021306E
DYNAMIC
Symb ol P OUT G PS D f = 175 MHz f = 175 MHz f = 175 MHz Parameter VDD = 50 V VDD = 50 V VDD = 50 V I DQ = 500 mA P out = 300 W P out = 300 W P out = 300 W IDQ = 500 mA IDQ = 500 mA IDQ = 500 mA Min. 300 12.5 50 5:1 15 60 Typ . Max. Un it W dB % VSW R
Load f = 175 MHz VDD = 50 V Mismatch All Phase Angles
IMPEDANCE DATA
FREQ . 175 MHz
Z IN () 0.92 - j 0.14
Z DL () 3.17 + j 4.34
Measured Gate to Gate and Drain to Drain, respectively.
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SD2922
Maximum Thermal Resistance vs Case Temperature
DC Safe Operating Area
GC81900
100
GC83360
0. 42
50 30
0. 4 Rth(j-c) (C/W)
Ids, DRAIN CURRENT (A)
20
(1)
0. 38
10
5 3 2
0. 36
0. 34 25
45
65
85
1 1 2 5 10 20 50 100 Vds, DRAIN S OURCE VO LTAGE (V) 200 500 1,000
Tc, Case Temperature (C)
(1) Current in this area may be limited by RDS(on) Two sides, each section equally loaded
Capacitance vs Drain-Source Voltage
GC81240
Drain Current vs Gate Voltage
10000
GC8125 0
12
ID, DRAIN CURRENT (A)
10 8
VDS = 10V
C, CAPACITANCE (pF)
1000
Ciss Coss
Tc= 80 C
6
Tc= 25 C
100
Crss
4
Tc= -20 C
2 0
10
0 10 20 30 40 VDS, DRAIN-SOURCE VOLTAGE (VOLTS) 50 60
1
2
3
4
5
6
7
VGS GATE-SOURCE VOLTAGE (VOLTS)
Gate Voltage vs Case Temperature
VGS, GATE-SOURCE VOLTAGE (Normalized)
GC81260
1.15 1.1
Id = 5A Id = 2A
1.05 1 0.95 0.9 0.85 -25
Id = 1A
Id = 4A
Id = 0.25A
Id = 0.1A
0
25
50
75
100
Tc, CASE TEMPERAT URE (C)
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SD2922
TYPICAL PERFORMANCE (175 MHz) Output Power vs Input Power
GC8120 0
Output Power vs Input Power
GC81210
400
400
Tc = -20C
Pout, OUTPUT POWER (W)
Pout, OUTPUT POWER (W)
Vdd = 50V
300
Vdd = 40V
300
Tc =25 C Tc = 80 C
200
200
VDD = 50V f = 175 MHz IDQ = 500 mA
100
f = 175 M Hz IDQ = 500 mA
100
0 1 3 5 7 9 11 13
0 1 3 5 7 9 11 13
Pin, INPUT POWER (W)
Pin, INPUT POWER (W)
Output Power vs Supply Voltage
GC8122 0
Output Power vs Gate Voltage
GC812 30
400 Pout, OUTPUTPOWER (W)
400
Pin = 13W
Tc= -20 C
300
ID Q = 500mA f = 175MHz Pin= 10W
Pout, OUTPUTPOWER (W)
Tc= 25 C
300
Tc= 80 C
200
Pin = 5W
200
VDD = 50 V IDQ = 50 0mA f = 1 75MHz Pin = Constant
100
100
0 25
30
35 40 45 VDD, SUPPLY VOLTAGE (VOLTS)
50
0 -4 -3 -2 -1 0 1 2 VGS GATE-SOURCE VOLTAGE (VOLTS) 3 4
4/13
SD2922
175 MHz Test Circuit Schematic (Production Test Circuit)
REF. 1022256B
5/13
SD2922
175 MHz Test Circuit Component Part List
Component R1/R2 R3/R4 R5/R6 R7/R8 R9/R10 C1/C4 C2/C7/C8 C17/C19 C20/C21 C3 C5 C6 C9/C10 C11-C12 C13 C14-C15 C24-C25 C16-C18 C22-C23 C26 C27 C28 B1 B2 T1 Part Number CR2412-1W-471JB CR2512-1W-471JB RS 2B 534 - 1 -1 - 203 ATC130B681KP50X ATC200B103MW50X Vendor VENKEL DALE VENKEL DALE Description
470 Ohm 1 W, Surface Mount Chip Resistor 360 Ohm 0.5 W, Carbon Comp. Axial Lead Resistor or Equiv. 470 Ohm 1 W, Surface Mount Chip Resistor 560 Ohm 2 W, Resistor Two Turn Wire Air-Wound Axial Lead Resistor SPECTROL 20 KOhm 3.09 W, 10 Turn Wirewound Precision Potentiometer ATC 680 pF ATC 130B Surface Mount Ceramic Chip Capacitor ATC 10000 pF ATC 200B Surface Mount Ceramic Chip Capacitor
ATC200B122MW50X ATC100B750KP500X 406 ATC100B470KP500X ATC100B430KP500X ATC700B122MW50X ATC700B471MP200X GRM43-4X7R104K500 C1812X7R501-103KNE GRM43-4X7R-104K500 SME63T10RM
ATC ATC ARCO ATC ATC ATC ATC MURATA VENKEL MURATA MARCON
10000 pF ATC 200B Surface Mount Ceramic Chip Capacitor 75 pF ATC 100B Surface Mount Ceramic Chip Capacitor ST40 25 pF -115pF Miniature Variable Trimmer 47 pF ATC 100B Surface Mount Ceramic Chip Capacitor 43 pF ATC 100B Surface Mount Ceramic Chip Capacitor 1200 pF ATC 700B Surface Mount Ceramic Chip Capacitor 470 pF ATC 700B Surface Mount Ceramic Chip Capacitor 0.1 F / 500V Surface Mount Ceramic Chip Capacitor 0.01 F/ 500V Surface Mount Ceramic Chip Capacitor 0.01 F / 500V Surface Mount Ceramic Chip Capacitor 10 F / 63 V Aluminum Electrolytic Axial Lead Capacitor 50 Ohm RG316, O.D. 0.076[1.93] L=11.80[299.72] Flexible Coaxial Cable 4 Turns thru Fair-rite Bead 50 Ohm RG-142B O.D 0.165[4.19] L=11.80[299.72] Flexible Coaxial Cable R.F. Transformer 4:1, 25 Ohm RG316-25, O.D 0.080[2.03] L=5.90[149.86] Flexible Coaxial Cable 2 Turns Thru Fair-rite Multi-aperture Core R.F. Transformer 1:4, 25 Ohm Semi-rigid Coaxial Cable O.D. 0.141[3.58] L=5.90[149.86] Inductor 1/4 Wave 50 Ohm O.D. 0.165[4.19] L=11.80[299.72] Flexible Coaxial Cable 2 Turns Thru Fair-rite Bead Shield Bead Multi-aperture Core Multilayer Ferrite Chip Bead (Surface Mount) Surface Mount Emi Shield Bead Shield Bead Multi-aperture Core Woven Glass Reinforced PTFE Microwave Laminate 0.06", 1oz EDCu, Both sides, r = 2.55
83242
BELDEN
T2 L1 FB1 FB2 FB3 FB4 FB5 FB6 PCB
UT141-25 83242 2643665802 2843009902 2518068007 2743021447 2643801002 2843010402 G0600M1016QA
MICRO COAX BELDEN FAIR-RITE CORP FAIR-RITE CORP FAIR-RITE CORP FAIR-RITE CORP FAIR-RITE CORP FAIR-RITE CORP ROGERS CORP
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SD2922
175 MHz Test Circuit Photomaster
175 MHz Text Fixture
7/13
SD2922
TYPICAL BROADBAND DATA (175 - 230 MHz) Input Power vs Frequency Power Gain vs Frequency
GC81930
GC81920
12
17
Pin, INPUT POWER (W)
Gp, POWER GAIN (dB)
10
16 Vdd=50V Idq=600mA Pout=250W
8
15
6
Vdd=50V I dq=600mA Pout=250W
14
4
13
2 170
180
190
200
210
220
230
12 170
180
190
200
210
220
230
FREQUENCY (MHz)
FREQUE NCY (MHz)
Efficiency vs Frequency
Return Loss vs Frequency
GC81940
GC81950
70
-2 -4
RTL, RETURN LOSS (dB)
67.5
EFFICIENCY (%)
65
Vdd=50V I dq=600mA Pout=250W
-6 -8 -10 -12 -14 -16 -18 Vdd=50V Idq=600mA Pout=250W
62.5
60
57.5
55 170
180
190
200
210
220
230
-20 170
180
190
200
210
220
230
FREQUENCY (MHz)
FREQUENCY (MHz)
1 dB Compression
1 dB Compression
GC81960
GC81970
15.5 Vdd=50V Idq=600mA Freq=175MHz 14.5
15.5
Gp, POWER GAIN (dB)
Gp, POWER GAIN (dB)
14.5 Vdd=50V Idq=600mA Freq=230MHz 13.5
13.5
12.5 0 100 200 300 400
12.5 0 100 200 300 400
Pout, OUTPUT POWER (W)
Pout, OUTPUT POWER (W)
8/13
SD2922
175 - 230 MHz Circuit Layout (Engineering Fixture)
175 -230 MHz Circuit Layout Component Part List
PCB T1 T2 / T3 T4 / T5 C1 C2/C3 C4 C5 C6 / C11 C7 C8 / C9 / C13 C10 C12 C14 R1 / R3 R2 R4 R5 R6 D1 L1 L2 L3 L4 L5 1/32" Woven Fiberglass 0.030 Cu, 2 sides, er =4.8 50 Ohm Flexible Coax Cable OD 0.06", 3" Long. Ferrite Core NEOSIDE 9:1 Transformer, 16.5 Ohm Flexible Coax Cable OD 0.1", 3" Long 4:1Transformer, 25 Ohm Flexible Coax Cable OD 0.06", 5" Long 8.2 pF Ceramic Cap 100 pF Chip Cap 2-18 pF Variable Cap 47 pF Ceramic Cap 47 nF Ceramic Cap 56 pF ATC Chip Cap 470 pF ATC Chip Cap 100 nF Ceramic Cap 2x330 nF / 500 V Cap 10 nF / 63 V Electrolytic Cap 47 Ohm Resistor 6.8K Ohm Chip Resistor 4.7K Ohm MultiTurns Trim Resistor 8.2K Ohm Resistor 3.3K Ohm / 5 W Resistor 6.8 V Zener Diode 20 nH Inductor 70 nH Inductor 30 nH Inductor 10 nH Inductor 15 nH Inductor
9/13
SD2922
TYPICAL BROADBAND DATA (88 - 108 MHz) Input Power vs Frequency Power Gain vs Frequency
GC81980
7
GC81990
22 21
Vdd=50V Idq=400mA Pout=300W
Pin, INPUT POWER (W)
6
Gp, POWER GAIN (dB)
20 19 18 17 16 15 14 13 Vdd=50V Idq=400mA Pout=300W
5
4
3
2
1 85 90 95 100 105 110
12 85 90 95 100 105 110
FREQUENCY (MHz)
FREQUENCY (MHz)
Efficiency vs Frequency
GC82000
Return Loss vs Frequency
70
-2 -4
GC82010
RTL, RETURN LOSS (dB)
67
-6 -8 -10 -12 -14 -16 -18 -20 85 Vdd=50V I dq=400mA Pout=300W
EFFICIENCY (%)
64
61 Vdd=50V Idq=400mA Pout=300W
58
55 85 90 95 100 105 110
90
95
100
105
110
FREQUENCY (MHz)
FREQUENCY (MHz)
10/13
SD2922
88 - 108 MHz Circuit Layout (Engineering Fixture)
88 -108 MHz Circuit Layout Component Part List
PCB T1 T2 / T3 T4 / T5 T6 FB1 C1 C2 / C3 / C4 / C7 / C8 C5 / C6 C9 C10 C11 R1 R2/R4 R3 R5 R6 R7 R8 D1 L1 L2 L3 1/32" Woven Fiberglass 0.030 Cu, 2 sides, er =4.8 50 Ohm Flexible Coax Cable OD 0.06", 5" Long 9:1 Transformer, 25 Ohm Flexible Coax Cable OD 0.1", 3.9". Ferrite Core NEOSIDE 4:1Transformer, 25 Ohm Flexible Coax Cable OD 0.1", 5" Long 50 Ohm Flexible Coax Cable OD 0.1", 5" Long VK200 10 pF Ceramic Cap 1 nF Chip Cap 1 nF ATC chip Cap 470 pF ATC Chip Cap 100 nF Chip Cap 100 uF / 63 V Electrolytic Cap 56 Ohm Resistor 10 Ohm Chip Resistor 10K Ohm Resistor 5.6K Ohm Resistor 10K Ohm, 10 Turn Trim Resistor 3.3K Ohm / 5 W Resistor 15 Ohm / 1 W Resistor 6.8 V Zener Diode 10 nH Inductor 40 nH Inductor 70 nH Inductor
11/13
SD2922
M244 (.400 x .860 4/L BAL N/HERM W/FLG) MECHANICAL DATA
mm MIN. A B C D E F G H I J K L M N 10.03 21.59 33.91 0.08 1.52 2.54 3.05 9.65 19.81 11.05 27.94 34.16 0.18 1.78 2.92 5.84 10.34 22.10 0.395 0.850 1.335 0.003 0.060 0.100 5.59 5.33 3.30 9.91 20.83 0.120 0.380 0.780 0.435 1.100 1.345 0.007 0.070 0.115 0.230 0.407 0.870 TYP. MAX. 5.84 MIN. 0.220 0.210 0.130 0.390 0.820 inch TYP. MAX. 0.230
DIM.
Note: Controlling dimension in Inches
1020876A
12/13
SD2922
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com .
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