GHZ JTDB75 Datasheet
JTDB 75
75 Watts, 36 Volts, Pulsed
Avionics 960 - 1215 MHz
GENERAL DESCRIPTION CASE OUTLINE
The JTDB 75 is a high power COMMON BASE bipolar transistor. It is
des igne d for pulsed systems in the frequency band 960-1215 MHz. The
device has gold thin-film metallization and diffused ballasting for proven
highest MTTF. The transistor includes input and output prematch for
broadband capability. Low thermal resistance package reduces junction
temperature, extends life.
55AW, STYLE 1
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25 C 220 Watts
Maximum Voltage and Current
BVces Collector to Base Voltage 55 Volts
BVebo Emitter to Base Voltage 3.5 Volts
Ic Coll ecto r Current 8.0 Amps
Maximum Temperatures
Storage Temperature - 65 to + 200 C
Operating Junction Temperature + 200 C
ELECTRICAL CHARACTERISTICS @ 25 C
o2
o
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SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS
Pout
Pin
Pg
η
c
VSWR
BVebo
BVces
h
FE
2
θ
jc
Powe r Out F = 960-1215 MHz 75 Watts
Powe r Input Vcc = 36 Vo lts 15 Watts
Power Gain 7.0 7.5 dB
Collector Efficien cy 40 %
Load Mismatch Tolerance 3:1
PW = 10 µsec
DF = 40%
F = 1090 M Hz
Emitter to Base Breakdown Ie = 30mA 3.5 Volts
Collector to Emitter Breakdown Ic = 30 mA 55 Volts
DC - Curre nt Gain Ic = 25 mA, Vce = 5 V 10
Thermal Resistance 0.8 C/W
o
Note 1: At rated output power and pulse conditions
2: At rated pulse conditions
Issue A, July 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
JTDB 75
All Data shown is for operation under the rated pulse conditions.
July 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 Oakm ead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
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