VTV300
30 Watts, 25 Volts
VHF Television - Band III
GENERAL DESCRIPTION
The VTV 300 is a COMMON EMITTER transistor capable of providing 30
Watts Peak, Class A, RF Output Power over the band 175 - 225 MHz. It is
designed for high efficiency, high linerity, Class A operation. Gold
Metalization and Diffused Ballasting are used to provide high reliability and
supreme ruggedness.
CASE OUTLINE
55HV, STYLE 1
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25
o
C
Maximum Voltage and Current
BVces
Collector to Emitter Voltage
BVceo Collector to Emitter Voltage
BVebo Emitter to Base Voltage
Ic
Collector Current
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
146 Watts
45 Volts
25 Volts
4.0 Volts
14 Amps
- 65 to + 150
o
C
+ 200
o
C
ELECTRICAL CHARACTERISTICS @ 25
O
C
SYMBOL
Pout
Pin
Pg
畏
IMD
1
VSWR
1
LVceo
BVces
BVebo
h
FE
Cob
胃jc
CHARACTERISTICS
Power Out - Pk Sync
1
Power Input
Power Gain
Efficiency
Intermodulation Distortion
Load Mismatch Tolerance
Collector to Emitter Breakdown
Collector to Base Breakdown
Emitter to Base Breakdown
Current Gain
Output Capacitance
Thermal Resistance
TEST
CONDITIONS
F = 175-225 MHz
Vcc = 25 Volts
Ic = 5.0 Amps
Pref = 7.5 Watts
F = 225 MHz
Ic = 25 mA
Ic = 100mA
Ie = 10 mA
Vce = 5 V, 1mA
Vcb = 25V, F=1MHz
Tc = 25
o
C
28
45
4.0
10
MIN
30
6
TYP
35
5
7
30
-50
3:1
MAX
UNITS
Watts
Watts
dB
%
dB
Volts
Volts
Volts
40
135
1.0
pF
C/W
1.2
o
Note 1: European three tone test method: Vision carrier -8dB, sound carrier -7dB, sideband signal -16 dB, 0 dB
corresponds to peak sync level.
Issue October 1997
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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