VAM 80
80 Watts, 27 Volts, Class AB
Defcom 100 - 150
MHz
GENERAL DESCRIPTION
The VAM 80 is a COMMON EMITTER, specifically designed for collector
modulated operation in the VHF AM applications in the 100-150 MHz range.
CASE OUTLINE
55HT, Style 2
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25
o
C
Maximum Voltage and Current
BVces Collector to Emiter Voltage
BVebo Emitter to Base Voltage
Ic
Collector Current
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
85 Watts
60 Volts
4.0 Volts
8.5 A
- 65 to +150
o
C
+200
o
C
ELECTRICAL CHARACTERISTICS @ 25
O
C
SYMBOL
Pout
Pin
Pg
Pout
Pin
Pg
畏
c
VSWR
CHARACTERISTICS
Power Output
Power Input
Power Gain
TEST CONDITIONS
F = 150 MHz
Vcc =27V, 1 KHz, 50%
F = 150 MHz
Vcc = 13.5 Volts
Efficiency
Load Mismatch Tolerance
MIN
80
9.0
20
6.0
Vcc = 13.5V, Po=20W
8
10
4.0
7.0
65
10
TYP
MAX
UNITS
Watts
Watts
dB
Watts
Watts
dB
%
5.0
30:1
BVebo
BVces
BVceo
Cob
h
FE
胃
jc
Emitter to Base Breakdown
Collector to Emitter Breakdown
Collector to Emitter Breakdown
Output Capacitance
DC - Current Gain
Thermal Resistance
Ie = 5 mA
Ic = 20 mA
Ie = 50 mA
Vcb = 28 V, F = 1 MHz
Vce = 5 V, Ic = 1 mA
4.0
60
32
75
10
2.0
Volts
Volts
Volts
pF
o
C/W
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.
GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
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