PHA2731-190M
Radar Pulsed Power Amplifier—190 Watts
2.7—3.1 GHz, 200µs Pulse, 10% Duty
Features
•
•
•
•
•
•
Input and Output matched to 50Ω
RC bias circuit included
Dual NPN Silicon class C power transistors
Soft substrate
ε
r
= 10.5
Hermetic Package
Nickel plated copper flange
Outline Drawing
1
Description
M/A-COM’s PHA2731-190M is a Class C microwave power
amplifier module specifically designed for S-Band radar pulsed
power applications where high efficiency and saturated power
are required. The module incorporates two in-phase combined
common base hybrid power transistors and is input and output
matched to 50
Ω
for unparalleled ease of PA design. The thick
copper base and ceramic transistor packaging technology pro-
vides for excellent thermal management, which when combined
with M/A-COM’s mature transistor fabrication technology re-
sults in the highest reliability available.
Notes: (unless otherwise specified)
1. Tolerances are: inches ± .005” (millimeters ± 0.13mm)
Absolute Maximum Rating at 25°C
Parameter
Collector-Emitter Voltage
Emitter-Base Voltage
Junction Temperature
Thermal Resistance
Operating Flange Temp.
Storage Temperature
Symbol
V
CES
V
EBO
T
j
θ
JC
Rating
65
3.0
200
0.35
-10 to +100
-20 to +125
Units
V
V
°C
°C/W
°C
°C
T
C
T
STG
Electrical Specifications at 25°C
=
Symbol
P
out
G
p
η
C
RL
Droop
2fc
Spurious
∆ϕ
VSWR-T
OD-STAB
GF
Parameter
Output Power
Power Gain
Collector Efficiency
Input Return Loss
Pulse Amplitude Droop
2
nd
Harmonic
Spurious Level
Insertion Phase Deviation
Tolerance and Stability
Stability at Overdrive
Gain Flatness over Frequency
Test Conditions
V
CC
= 38V, P
IN
= 34W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
P
IN
= (P
IN
@ P
OUT
= 190W) + 1 dB
1
V
CC
= 38V, P
OUT
= 190W, f = 2.7, 2.9, 3.1 GHz
Units
W
dB
%
dB
dB
dBc
dBc
Deg.
VSWR
dB
Min
190
7.5
33
10
-17
-20
Typ
205
8
35
1
-20
-50
+20
1.5:1
1.0
1.3
Max
1. No oscillations and no spurs at 1 dB overdrive.
Specifications subject to change without notice.
V 2.0
North America:
Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
1
Radar Pulsed Power Amplifier—190 Watts, 2.7-3.1 GHz, 200µs Pulse, 10% Duty
Amplifier in RF Test Fixture
V
CC
PHA2731-190M
RF IN
RF OUT
V
CC
Typical Performance Curves
Performance at 190W P
OUT
, V
CC
=38V, 200 µs, 10%
10
9.5
Gain
Eff.
Performance vs. P
IN
, 38 V
CC
=38V, 200 µs, 10%
300
80
Pout 2.7GHz
Pout 2.9GHz
Pout 3.1GHz
50
45
40
35
30
25
20
3.1
Collector Efficiency (%)
250
70
60
50
40
30
20
GAIN (dB)
P
OUT
(Watts)
9
8.5
8
7.5
7
2.7
200
150
100
50
0
5
Eff. 2.7GHz
Eff. 2.9GHz
Eff. 3.1GHz
2.8
2.9
3
FREQUENCY (GHz)
15
25
35
45
P
IN
(Watts)
Specifications subject to change without notice.
V 2.0
North America:
Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
Collector Efficiency (%)
2
Microcontroller MCU
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