VTV075
7.5 Watts, 25 Volts, Class A
VHF Television - Band III
GENERAL DESCRIPTION CASE OUTLINE
The VTV 075 is a COMMON EMITTER transisto r capable of providing 7.5
Watts Pea k Sync, Cl ass A, RF O utput Power over the band 175 - 225 MHz. It
is designed for high efficiency, high linereity, Class A operation. Gold
Metalization and Diffused Ballasting are used to provide high reliability and
supreme ruggedness.
55HV, STYLE 2
ABSOLUTE MAXIM UM RATINGS
Maximum Power Dissipation @ 25 C 53 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 4.0 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 CONDITIONS MIN TYP MAX UNITS
Pout
Pin
Pg
η
IMD
VSWR
BVceo
BVces
BVebo
h
FE
Cob
jc
θ
Powe r Out - Pk Sync F = 175-225 MHz 7.5 10 Watts
Power Input Vcc = 25 Volts Watts
Powe r Gain Ic = 1.2Amps 10 11.2 dB
Eff iciency 33 %
Intermodulation Distortion Pref = 7.5 Watts - 52 dB
Load Mismatch Tol erance F = 225 MHz 5:1
Collector to Emitter Breakdown Ic = 25mA 28 Volts
Collector to Base Breakdown Ic = 50 mA 45 Volts
Emitter to Base Breakdown Ie = 10 mA 4.0 Volts
Current Gain Vce = 5 V, 500 mA 10
Output Capacitanc e Vcb = 25 V, F = 1MHz 35 pF
Thermal Resistance Tc = 25 C, IR Scan 3.0 3.3 C/W
1
o 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 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