VTV300
30 Watts, 25 Volts
VHF Television - Band III
GENERAL DESCRIPTION
CASE OUTLINE
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.
55HV, STYLE 1
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25oC
146 Watts
Maximum Voltage and Current
BVces
Collector to Emitter Voltage
45 Volts
25 Volts
4.0 Volts
14 Amps
BVceo Collector to Emitter Voltage
BVebo Emitter to Base Voltage
Ic
Collector Current
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
- 65 to + 150oC
+ 200oC
ELECTRICAL CHARACTERISTICS @ 25 OC
SYMBOL
CHARACTERISTICS
TEST
MIN
TYP
MAX UNITS
CONDITIONS
Power Out - Pk Sync1
Power Input
Power Gain
F = 175-225 MHz
Vcc = 25 Volts
Ic = 5.0 Amps
30
6
35
5
7
Watts
Watts
dB
Pout
Pin
Pg
Efficiency
Intermodulation Distortion
Load Mismatch Tolerance
30
-50
%
dB
η
IMD1
VSWR1
Pref = 7.5 Watts
F = 225 MHz
3:1
Collector to Emitter Breakdown
Collector to Base Breakdown
Emitter to Base Breakdown
Current Gain
Output Capacitance
Thermal Resistance
Ic = 25 mA
Ic = 100mA
Ie = 10 mA
Vce = 5 V, 1mA
Vcb = 25V, F=1MHz
Tc = 25oC
28
45
4.0
10
Volts
Volts
Volts
LVceo
BVces
BVebo
hFE
Cob
θjc
40
135
1.0
pF
1.2
oC/W
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
