R.A.041400
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GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
2124-12L
12 Watts, 22 Volts, Class C
Microwave 2200 - 2400 MHz
GENERAL DESCRIPTION
The 2124-12L is a Common Base transistor capable of providing 12 Watts Class
C, RF Output Power over the band 2200-2400 MHz, The transistor includes
double input and output prematching for full broadband capability. Gold
Metalization and diffused ballasting are used to provide high reliability and
supreme ruggedness.
CASE OUTLINE
55AW Style 1
COMMON BASE
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25°C 44 Watts
Maximum Voltage and Current
Collector to Emitter Voltage (BV
CES
) 45 V
Emitter to Base Voltage (BV
EBO
) 3
VCollector Current (I
c
) 3.0 Amps
Maximum Temperatures
Storage Temperature -65 to +200 °C
Operating Junction Temperature +200 °C

ELECTRICAL CHARACTERISTICS @ 25°C
SYMBOL CHARACTERISTICS TEST CONDITIONS MIN TYP MAX UNITS
P
out
Power Out 12 W
P
in
Power Input 2.25 W
P
g
Power Gain 7.5 dB
η
c
Collector Efficiency 42 %
VSWR Load Mismatch Tolerance
F = 2100-2400 MHz
V
CC
= 22 Volts
Pout = 12 Watts Pk
9:1
FUNCTIONAL CHARACTERISTICS @ 25°C
BV
CES
Collector to Base Breakdown 45 V
BV
EBO
Emitter to Base Breakdown 3.0 V
h
FE
DC – Current Gain 15
C
OB
Output Capacitance* pF
θjc Thermal Resistance
Ic = 50 mA
Ie = 10 mA
Vce = 5V, Ic = 1A
Vcb = 28v, F = 1MHz
Tc = 25
o
C
4.0 °C/W
*Not measureable due to internal prematch network