2931-150R3
2931-150
150 Watts, 38 Volts, 50µs, 4%
Radar 2900-3100 MHz
Preliminary
GENERAL DESCRIPTION
The 2931-150 is an internally matched, COMMON BASE bipolar transistor
capable of providing 150 Watts of pulsed RF output power at 50µs pulse width,
4% duty factor across the 2900 to 3100 MHz band.
The transistor prematch
and test fixture has been optimized through the use of Pulsed Automated
Load Pull.
This hermetic ceramic sealed transistor is specifically designed for
S-band radar applications. It utilizes gold metallization and emitter ballasting to
provide high reliability and supreme ruggedness.
CASE OUTLINE
55KS-1
Common Base
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation
Device Dissipation @ 25°C
1
500 W
Maximum Voltage and Current
Collector to Base Voltage (BV
ces
)
65
Emitter to Base Voltage (BV
ebo
)
3.0
Collector Current (I
c
)
15.0
Maximum Temperatures
Storage Temperature
-65 to +200
Operating Junction Temperature
+200
V
V
A
°C
°C
ELECTRICAL CHARACTERISTICS @ 25°C
SYMBOL
P
out
P
in
P
g
η
c
R
l
P
d
t
r
VSWR
l
CHARACTERISTICS
Power Output
Power Input
Power Gain
Collector Efficiency
Return Loss
Pulse Droop
Rise Time
Load Mismatch Tolerance
1
TEST CONDITIONS
F=2900-3100 MHz
V
cc
= 38 Volts
Pulse Width = 50 µs
Duty Factor = 4 %
MIN
150
21.7
8.3
45
7
8.7
50
0.6
150
2:1
TYP
MAX
UNITS
W
W
dB
%
dB
dB
nS
F = 3100 MHz, P
o
= 150W
FUNCTIONAL CHARACTERISTICS @ 25°C
BV
ebo
BV
ces
h
FE
θjc
1
NOTE:
Emitter to Base Breakdown
Collector to Emitter Breakdown
DC – Current Gain
Thermal Resistance
1. At rated output power and pulse conditions
Ie = 30 mA
Ic = 120 mA
Vce = 5V, Ic = 600 mA
3.0
65
18
V
V
60
0.35
°C/W
Issue 2, April 2005
Advanced Power Technology reserves the right to change, without notice, the specifications and information
contained herein. Visit our web site at
www.advancedpower.com
or contact our factory direct.
2931-150R3
2931-150
Vcc = 38 Volts, Pulse Width = 50µs, Duty = 4 %
G2754-2,
Product is in characterization, additional curves will be inserted at the conclusion.
Power Output vs Power Input
Power
Output[dBm]
53.0
52.5
52.0
51.5
51.0
50.5
50.0
49.5
49.0
48.5
48.0
47.5
47.0
46.5
46.0
45.5
45.0
38
.5
39
.0
39
.5
40
.0
4 0 41. 41.
.5
0
5
42
.0
42
.5
43
.0
43
44
44
45
.5
.0 .5
.0
Power Input[dBm]
2.9 GHz
3.0 GHz
3.1 GHz
150W Line
180W Line
Impedance curves will be added at the completion of the characterization.
Advanced Power Technology reserves the right to change, without notice, the specifications and information
contained herein. Visit our web site at
www.advancedpower.com
or contact our factory direct.
2931-150R3
2931-150
Test Circuit
Advanced Power Technology reserves the right to change, without notice, the specifications and information
contained herein. Visit our web site at
www.advancedpower.com
or contact our factory direct.
2931-150R3
2931-150
Advanced Power Technology reserves the right to change, without notice, the specifications and information
contained herein. Visit our web site at
www.advancedpower.com
or contact our factory direct.
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