POLYFET MADK21

polyfet rf devices
MADK21
Power RF Amplifiers
Power =
5.0 Watts
Bandwidth =
30 to
Gain = 25.0 dB
88 Mhz
Vdd = 12.5 Volts
50 ohms Input/Output Impedance
Description
The MADK21 is a 5 Watt, 2 stage high gain
amplifier module covering a bandwidth of
30-88 Mhz. This compact module design is
suitable for military applications in a rugged
environment. A VAGC pin is provided to
control the output power of the module.
Absolute Maximum Ratings (T=25 oC)
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
17.0
7.00
0.02
10.0
-20 to +85
-30 to +100
Unit
V
V
V
W
W
o
C
o
C
Electrical Characteristics: ( T=25 oC Zs=Zl=50 ohms. Vdd= 12.5 Volts )
Parameter
Frequency Range
Outut Power
Power Gain
Total Efficiency
2nd Harmonics
Intermod - 2 tone
Load Mismatch Tolerance
Symbol
BW
Po
PG
h
dso
Ip3
VSWR
Min
Typical
30
88
5.0
25.0
35
-29.00
10:1
Max
Unit
Mhz
Watts
dB
%
dBc
dBm
Relative
POLYFET RF DEVICES
Test Conditions
50 ohm load
0.65 Amps
Idq =
@ Pout = 5.0 Watts
@ Pout = 5.0 Watts
@ Pout = 5.0 W. Freq = 59 Mhz
Freq = 59 Mhz; AvePwr=
W
All Phase Angles
REVISION
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 URL:www.polyfet.com
01/17/2006
MADK21
8
MADK21 F=30MHz Vds=12.5Vdc
VAGC=5V
32.0
7
31.0
5
Pout
30.0
4
3
2
29.0
Gain
1
Efficiency @ 5W =36%
0
1
2
28.0
3 4 5 6 7 8
Pin in MilliWatts
29.8
Pout
29.4
4
29.2
Gain
29.0
3
28.8
2
28.6
28.4
28.2
28.0
0
0
1
2
3 4 5 6 7
Pin in MilliWatts
8
9 10
MADK21 F=50MHz Vds=12.5Vdc Pin=5mW
35
30
9
35
8
30
7
Gain
25
Pout
Gain
25
6
20
5
15
4
10
20
15
Pout
3
10
2
5
1
5
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VAGC
0
0
5.0 5.5 6.0
MADK21 F=88MHz Vds=12.5Vdc Pin=5mW
8
7
2.0 2.5 3.0 3.5 4.0 4.5
VAGC
35
0
30
-5
Gain
25
MADK21 Harmonics Vds=12.5Vdc
Pout=5W
2nd Harm
-10
3rd Harm
-15
5
20
4
15
Pout
-20
-25
10
-30
1
5
-35
0
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VAGC
-40
2
29.6
5
9 10
MADK21 F=30MHz Vds=12.5Vdc VAGC=5V
3
30.0
1
0
6
MADK21 F=88MHz Vds=12.5Vdc
VAGC=5V
6
6
11
10
9
8
7
6
5
4
3
2
1
0
7
30
40
POLYFET RF DEVICES
50
60
70
80
90
FREQ Mhz
REVISION 01/17/2006
1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 URL:www.polyfet.com