ETC PHM004

polyfet rf devices
PHM004
Power RF Amplifiers
Power =
25 Watts
Bandwidth =
450 to 480 Mhz
Gain = 45 dB
Vdd = 28 Volts
50 ohms Input/Output Impedance
Description
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
o
Absolute Maximum Ratings ( T = 25 C)
Parameter
DC supply Voltage 1
DC supply Voltage 2
Input Power
Output Power
Operating Case Temp.
Storage Temp.
Symbol
Value
Unit
32
VDD1
V
6.5
V
VDD2
0.005
Pin
W
30
Pout
W
o
Tc
-20 to +70
C
Tstg
-30 to +100 o C
o
Electrical Characteristics: ( T = 25 C Zs=Zl=50 ohms. Vdd = 28 Volts )
Parameter
Frequency Range
Output Power
Power Gain
Total Efficiency
2nd Harmonics
Intermod - 2 tone
Load MismatchTolerance
DC supply Voltage 2
Symbol
BW
Po
PG
η
dso
Ip3
VSWR
VDD2
Min
Typical
450
25
45
40
Max
480
-55
55
10:1
5.50
6.5
Unit
Mhz
Watts
dB
%
dBc
dBm
Relative
V
POLYFET RF DEVICES
Test Conditions
50 ohm load
Idq = 0.75 Amps
@ Pout = 25 Watts
@ Pout = 25 Watts
@ Pout = 25 W. Freq = 465 Mhz
Freq = 465 Mhz
All Phase Angles
Revision Date 10/10/98
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:[email protected] URL:www.polyfet.com
PHM004
PHM004
Pout & Gain
vs
Pin
PHM004
F=460 MHz; Vds=28V, Idq=0.75A
30.00
50.00
25.00
49.00
20.00
48.00
Pout
Gain
Gain & Pout
vs
Frequency
Pin=0.5mW, Vds=28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
50
50
49
49
48
48
47
47
46
46
Pout
45
15.00
47.00
44
10.00
45
Gain
44
43
43
42
42
41
41
46.00
Efficiency = 40%
5.00
45.00
0.0001
0.0002
0.0003
0.0004
0.0005
0.0006
0.0007
0.0008
40
40
450
455
460
PIN IN WATTS
465
470
475
480
Frequency in MHz
PHM004 Pout & Harmonic Vs Frequency , Pin=0.5mW
PHM004 IMD F1=460MHz F2=460.1MHz
Vds=28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
Vds = 28V, Vg1=3.25V, Vg2=2.50V, Idq=0.75A
30
70
27
65
24
60
21
55
18
15
450
50
455
460
465
470
475
Frequency in MHz
480
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
0
5
10
15
20
25
2 Tone Pout in WATTS
3rd IMD
Pout
5th IMD
2nd Harmonic
POLYFET RF DEVICES
Revision Date10/10/98
1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:[email protected] URL:www.polyfet.com