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