polyfet rf devices

MADK21

Power RF Amplifiers

Power =

Bandwidth =

Gain =

Vdd =

to

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

o

Parameter

Symbol

Value

Unit

DC supply Voltage 1

VDD1

V

17.0

DC supply Voltage 2

VDD2

V

Input Power

Pin

W

0.02

Output Power

Pout

W

10.0

Operating Case Temp.

Tc

C

-20 to +85

Storage Temperature

Tstg

o

-30 to +100

Electrical Characteristics: (

o

12.5 Volts )

Parameter

Symbol

Min

Unit

Frequency Range

BW

Mhz

30

Outut Power

Po

Watts

5.0

Power Gain

PG

dB

25.0

Total Efficiency

h

%

35

2nd Harmonics

dso

dBc

Intermod - 2 tone

Ip3

dBm

Max

88

Typical

Test Conditions

50 ohm load

Idq =

-29.00

@ Pout =

@ Pout =

@ Pout =

Watts

Watts

W. Freq =

Mhz

5.0

5.0

5.0

59

Freq =

Mhz;

59

Load Mismatch Tolerance

VSWR

10:1

Relative

All Phase Angles

POLYFET RF DEVICES

1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 URL:www.polyfet.com

REVISION

01/17/2006

5.0

30

88 Mhz

25.0

12.5 Volts

dB

Watts

(T=25 C)

T=25 C Zs=Zl=50 ohms. Vdd=

W

AvePwr=

C

o

AGC Voltage

VAGC

V

7.00