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