Datasheet VAM40 Datasheet (GHz Technology)

Page 1
VAM 40
40 Watts, 27 Volts, Class AB
Defcom 100 - 150
The VAM 40 is a COMMON EMITTER, specifically designed for collector modulated operation in the VHF AM applications in the 100-150 MHz range.
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25 C 50 Watts
Maximum Voltage and Current
BVces Collector to Emiter Voltage 60 Volts BVebo Emitter to Base Voltage 4.0 Volts Ic Collector Current 5.0 A
Ma ximum Temperat ure s
Storage Temperature - 65 to +150 C Operating Junction Temperature +200 C
ELECTRICAL CHARACTERISTICS @ 25 C
SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS
o
o o
O
CASE OUTLINE
55HT, Style 2
MHz
Pout Pin Pg Pout Pin Pg
η
c
VSWR
BVebo BVces BVceo Ices Cob h
FE
θ
jc
Issue August 1996
GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT BEFORE THE PRODUCT(S) DESCRIBED HEREIN ARE WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS, THAT THE PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY.
Power Output Power Input Power Gain Power Output Power Input Power Gain Efficiency Load Mismatch Tolerance
Emitter to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Breakdown Collector Leakage Current Output Capacitance DC - Current Gain Thermal Resistance
F = 150 MHz Vcc =27V, 1 KHz, 50%
F = 150 MHz Vcc = 13.5 Volts
F = 150 MHz, Po=10 W Vcc = 13.5 Volts
Ie = 5 mA Ic = 20 mA Ie = 50 mA Vce = 5 Volts Vcb = 28 V, F = 1 MHz Vce =5 V, Ic = 500 MA
40
3.2 10 10
4.0 60 32
10
11
8.0 65
4.0
2.0
30:1
30 25
100
3.5
Watts Watts
dB
Watts
Watts
dB
%
Volts Volts Volts
mA
pF
o
C/W
GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
Page 2
VAM40
August 1996
Page 3
150 MHz TEST AMPLIFIER
VAM40
C1
C2
L1
L2
C5
L3
L4
C6
Vcc = +28 Volts
C4
C3
C7
August 1996
C1, C2 .......... 4-40 pf Elmenco type 403
C3, C4 .......... 2-25 pf Elmenco type 402
C5 .............. .001 m f
C6 .............. .1mf
C7 ................ 10 m f
L1 ................ 1/2 turn #16, 3/8" I.D.
L2 ................ 1/Ouf RFC
L3 ................ 3 turns #16, 3/8" I.D.
L4 ................ 6 turns #16, 3/8" I.D.
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