polyfet rf devices
Power RF Amplifiers
Power =
5.0 Watts
Bandwidth = 225 to 400 Mhz
Gain = 25.0 dB
Vdd = 28.0 Volts
50 ohms Input/Output Impedance
PHM020
Description
The PHM020 is a 5 Watt FM / 1 Watt AM
amplifier module covering a bandwidth of
225-400 Mhz. It has a high harmonic rating
when operated in the AM mode. This dual stage
amplifier ia specifically designed for broad
band portable radio applications. External
Gate bias pin option is available upon request.
Absolute Maximum Ratings (T=25
o
C)
Parameter
DC supply Voltage 1
DC supply Voltage 2
AGC Voltage
Input Power
Output Power
Operating Case Temp.
Storage Temperature
Symbol
VDD1
VDD2
VAGC
Pin
Pout
Tc
Tstg
Value
32.0
0.02
10.0
-20 to +85
-30 to +100
Unit
V
V
V
W
W
o
C
o
C
Electrical Characteristics: ( T=25
o
C Zs=Zl=50 ohms. Vdd= 28.0 Volts )
Parameter
Frequency Range
Outut Power
Power Gain
Total Efficiency
2nd Harmonics
Intermod - 2 tone
Load Mismatch Tolerance
Symbol
BW
Po
PG
h
Min
225
5.0
25.0
13
Typical
Max
400
Unit
Mhz
Watts
dB
%
dBc
dBm
Relative
Test Conditions
50 ohm load
1.00
Amps
Idq =
@ Pout =
5.0
Watts
@ Pout =
5.0
Watts
@ Pout =
5.0
W. Freq =
312
Mhz
Freq =
312
Mhz; AvePwr=
W
All Phase Angles
dso
Ip3
VSWR
-30.00
10:1
POLYFET RF DEVICES
REVISION
10/29/2005
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:selling@polyfet.com URL:www.polyfet.com
PHM020
P H M 020 P in v s P o ut F re q =225M H z
V d s =28V d c Id q =1A
11
10
9
8
7
6
5
4
3
2
1
0
0
0.005
0.01
0.015
0.02
0.025
P in in W a tts
25
0.03
29
P H M 020 P in vs P o ut F re q =300M H z
V d s =28V d c Id q =1A
11
10
28
30
Linear @2W
P1dB = 5W
Pout
27
Linear @2W
29
9
8
7
6
5
4
3
2
1
0
0
0.005
0.01
0.015
0.02
0.025
P in in W a tts
Pout
P1dB = 5W
Gain
Efficiency @5W = 14%
28
27
26
25
0.03
Gain
Efficiency @5W = 14%
26
P H M 0 2 0 P i n v s P o u t F re q =4 0 0 M H z
V d s =2 8 V d c Id q =1 A
11
10
9
8
7
6
5
4
3
2
1
0
0
0 .0 0 5 0 .0 1
P i n i n W a tts
29
PHM020 Freq vs Gain/
Efficiency;
35
30
Vds=
28Vdc Idq=
1A
40
35
30
Linear @2W
28
Pout
P1dB = 5W
Gain
26
27
25
20
15
10
5
Gain
Pout fixed at 5W
Efficiency
25
20
15
10
Efficiency @5W = 14%
25
0 .0 1 5 0 .0 2 0 .0 2 5 0 .0 3
0
220 240 260 280 300 320 340 360 380 400
Freq in MHz
P H M 020 F re q v s 2nd&3rd Harmonics;
100
V d s =28V d c Id q =1A
80
PHM020 Freq vs 2nd&3rd Harmonics;
110
90
Vds=28Vdc Idq=1A
60
Pout fixed @1W
80
60
Pout fixed @5W
3rd Harmonic
60
40
70
50
40
2nd Harmonic
40
20
3rd Harmonic
20
2nd Harmonic
0
250
275 300 325 350
F req in MHz
375
400
30
10
225
20
225
250
275
300
325
F re q in MH z
350
375
0
400
POLYFET RF DEVICES
REVISION 10/29/2005
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:selling@polyfet.com URL:www.polyfet.com
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