0912-45 Datasheet PDF - GHz Technology

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0912-45
GHz Technology

Part Number 0912-45
Description Pulsed Avionics
Page 3 Pages


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0912-45
45 Watts, 50 Volts, Pulsed
Avionics 960 - 1215 MHz
GENERAL DESCRIPTION
The 0912-45 is a COMMON BASE bipolar transistor. It is designed for
pulsed systems in the frequency band 960-1215 MHz. The device has gold
thin-film metallization for proven highest MTTF. The transistor includes
input prematch for broadband capacity. Low thermal resistance package
reduces junction temperature, extends life.
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25oC2
225 Watts
Maximum Voltage and Current
BVces Collector to Base Voltage
BVebo Emitter to Base Voltage
Ic Collector Current
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
60 Volts
4.0 Volts
4.5 Amps
- 65 to + 150oC
+ 200oC
CASE OUTLINE
55CX, STYLE 1
www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS @ 25 OC
SYMBOL CHARACTERISTICS
TEST CONDITIONS
Pout
Pin
Pg2
ηVcS2WR2
Power Out
Power Input
Power Gain
Collector Efficiency
Load Mismatch Tolerance
F = 960-1215 MHz
Vcc = 50 Volts
PW = 10 µsec
DF = 1%
F = 1090 MHz
MIN
45
8.0
TYP
9.0
45
MAX UNITS
Watts
7.0 Watts
dB
%
10:1
BVebo Emitter to Base Breakdown
Ie = 25 mA
4.0
Volts
BVces
Collector to Emitter Breakdown Ic = 75 mA
60
Volts
Cob Capacitance Collector to Base Vcb = 50V
20 pF
hFE DC - Current Gain
θjc2 Thermal Resistance
Ic = 300 mA, Vce = 5 V 10
0.8 oC/W
Note 1: At rated output power and pulse conditions
2: At rated pulse conditions
Initial Issue June, 1994
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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0912-45



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0912-45
Input 50 Ohms
Z1
C3
0912-45 BROADBAND CIRCUIT
L1
C1 C2
50 VDC
R1
L2
Z2 Q1 Z3 Z4
Z5
C4 C5
C7
50 Ohm Output
C6
PC Board Material .010" Dielectric Teflon Fiberglass
Z1=50W , .08l , = .027"w X .59"L
Z2=2.7,W .064l , =.80"w X .44"L
Z3=10W , .062l , =.20"w X .443"L
Z4=3.7W , .08l , =.55"w X .55"L
Z5=50W , .075l , =.027"w X .56"L
L1= Inductor #14 wire, 0.7" long
L2= Inductor #18 wire, 1.5" long
C1=Capacitor 100 pF "B" (100mil) ATC
C2=Capacitor 68mfd, 75V Electrolytic
C3, C4, C5, C6= Capacitor .35-3.5pF Piston Trimmer
C4=Capacitor 47pF "B" (100mil) ATC
R1= Resistor, 15WK 1/4W
Q1=GHz Transistor 0912-45
All electrical lengths taken at 1.09 GHz
August 1996



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