GHz Technology VTV300 Datasheet
VTV300
30 Watts, 25 Volts
VHF Television - Band III
GENERAL DESCRIPTION CASE OUTLINE
The VTV 300 is a COMMON EMITTER transisto r capable of pr oviding 30
Watts Pea k, Class A, RF O utput 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.
55HV, STYLE 1
ABSOLUTE MAXIM UM RATINGS
Maximum Powe r Dissipation @ 25 C 146 Watts
Maximum Voltage and Current
BVces Collector to Emitter Voltage 45 Volts
BVceo Collector to Emitter Voltage 25 Volts
BVebo Emitter to Base Voltage 4.0 Volts
Ic Coll ecto r Current 14 Amps
Maximum Temperatures
Storage Temperature - 65 to + 150 C
Operating Junction Temperature + 200 C
ELECTRICAL CHARACTERISTICS @ 25 C
o
o
o
O
SYMBOL CHARACTERISTICS TEST MIN TYP MAX UNITS
CONDITIONS
Pout
Pin
Pg
η
1
IMD
VSWR
Power Out - Pk Sync F = 175-225 MHz 30 35 Watts
Power Input Vcc = 25 Volts 5 Watts
Power Gain Ic = 5.0 Amps 6 7 dB
Eff i cien cy 30 %
Intermodulation Distortion Pref = 7.5 Watts -50 dB
1
Load Mismatch Tol erance F = 225 MHz
1
3:1
LVceo
BVces
BVebo
h
FE
Cob
jc
θ
Collector to Emitter Breakdown Ic = 25 mA 28 Volts
Collector to Base Breakdown Ic = 100mA 45 Volts
Emitter to Base Breakdown Ie = 10 mA 4.0 Volts
Current Gain Vce = 5 V, 1mA 10 40
Output Capacitanc e Vcb = 25V, F=1MHz 135 pF
Thermal Resistance Tc = 25 C 1.0 1.2 C/W
oo
Note 1: European three tone test method: Vision carrier -8dB, sound carrier -7dB, sideband signal -16 dB, 0 dB
corresponds to peak sync level.
Issu e October 1997
GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOM M E NDS THAT BEFORE
TH E 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 Oakm ead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
VTV 300
August 1996
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