Absolute Maximum Ratings ( T = 25 C)
o
Parameter
Symbol
Value
Unit
DC supply Voltage 1
Input Power
Output Power
Operating Case Temp.
Storage Temp.
VDD1
Pin
Pout
Tc
Tstg
32
0.005
30
-20 to +70
-30 to +100
o
V
W
W
C
o
C
Electrical Characteristics: ( T = 25 C Zs=Zl=50 ohms. Vdd =
Parameter
Symbol
Min
Unit
Typical
Max
Frequency Range
Output Power
Power Gain
Total Efficiency
2nd Harmonics
Intermod - 2 tone
Load MismatchTolerance
Po
450
480
25
45
40
-55
55
Test Conditions
The PHM004 is a high gain high power
amplifier design for the Tetra frequency
range. It has four stages and uses the latest
Ldmos technology transistors. The amplifier
has very high gain and high efficiency and
has a IP3 of 55 dBm
POLYFET RF DEVICES
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com
10/10/98
Gain =
PHM004
Revision Date
50 ohm load
Idq =
@ Pout =
25
Mhz
Watts
dB
%
dBc
dBm
@ Pout =
25
@ Pout =
W. Freq =
465
Watts
Watts
25
Mhz
10:1
All Phase Angles
Freq =
465
Mhz
Power RF Amplifiers
Power =
Bandwidth =
25
450
480
to
Mhz
45
Vdd = 28 Volts
Watts
dB
50 ohms Input/Output Impedance
Description
o
28 Volts )
0.75
Amps
Relative
VSWR
BW
PG
dso
Ip3
polyfet rf devices
DC supply Voltage 2
VDD2
6.5
V
DC supply Voltage 2
5.50
V
VDD2
6.5
PHM004 Pout & Gain vs Pin
F=460 MHz; Vds=28V, Idq=0.75A
5.00
10.00
15.00
20.00
25.00
30.00
0.0001
0.0002
0.0003
0.0004
0.0005
0.0006
0.0007
0.0008
PIN IN WATTS
45.00
46.00
47.00
48.00
49.00
50.00
Efficiency = 40%
Pout
Gain
PHM004 Gain & Pout vs Frequency
Pin=0.5mW, Vds=28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
40
41
42
43
44
45
46
47
48
49
50
450
455
460
465
470
475
480
Frequency in MHz
40
41
42
43
44
45
46
47
48
49
50
Gain
Pout
PHM004 Pout & Harmonic Vs Frequency , Pin=0.5mW
Vds=28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
15
18
21
24
27
30
450
455
460
465
470
475
480
Frequency in MHz
50
55
60
65
70
Pout
2nd Harmonic
PHM004 IMD F1=460MHz F2=460.1MHz
Vds = 28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
0
5
10
15
20
25
2 Tone Pout in WATTS
3rd IMD
5th IMD
POLYFET RF DEVICES
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com
10/10/98
Revision Date
PHM004
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