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| polyfet rf devices LK701 General Description Silicon VDMOS and LDMOS transistors designed specifically for broadband RF applications. Suitable for Militry Radios, Cellular and Paging Amplifier Base Stations, Broadcast FM/AM, MRI, Laser Driver and others. "Polyfet" process features low feedback and output capacitances resulting in high F t transistors with high input impedance and high efficiency. TM SILICON GATE ENHANCEMENT MODE RF POWER LDMOS TRANSISTOR 70.0 Watts Push - Pull Package Style AK HIGH EFFICIENCY, LINEAR HIGH GAIN, LOW NOISE o ABSOLUTE MAXIMUM RATINGS ( T = 25 C ) Total Device Dissipation 150 Watts Junction to Case Thermal Resistance o 1.00 C/W Maximum Junction Temperature o 200 C Storage Temperature o o -65 C to 150 C DC Drain Current Drain to Gate Voltage 70 V Drain to Source Voltage 70 V Gate to Source Voltage 20 V 9.0 A RF CHARACTERISTICS ( SYMBOL Gps PARAMETER Common Source Power Gain Drain Efficiency Load Mismatch Tolerance MIN 14 55 TYP 70.0 WATTS OUTPUT ) MAX UNITS dB % 20:1 TEST CONDITIONS Idq = 0.40 A, Vds = 28.0 V, F = Idq = 0.40 A, Vds = 28.0 V, F = 500 MHz 500 MHz VSWR Relative Idq = 0.40 A, Vds = 28.0 V, F = 500 MHz ELECTRICAL CHARACTERISTICS ( EACH SIDE ) SYMBOL Bvdss Idss Igss Vgs gM Rdson Idsat Ciss Crss Coss PARAMETER Drain Breakdown Voltage Zero Bias Drain Current Gate Leakage Current Gate Bias for Drain Current Forward Transconductance Saturation Resistance Saturation Current Common Source Input Capacitance Common Source Feedback Capacitance Common Source Output Capacitance 1 1.6 0.65 10.00 60.0 1.6 30.0 MIN 65 2.0 1 7 TYP MAX UNITS V mA uA V Mho Ohm Amp pF pF pF TEST CONDITIONS Ids = 0.20 mA, Vgs = 0V Vds = 28.0 V, Vgs = 0V Vds = 0V Vgs = 30V Ids = 0.20 A, Vgs = Vds Vds = 10V, Vgs = 5V Vgs = 20V, Ids = 8.00 A Vgs = 20V, Vds = 10V Vds = 28.0 Vgs = 0V, F = 1 MHz Vds = 28.0 Vgs = 0V, F = 1 MHz Vds = 28.0 Vgs = 0V, F = 1 MHz POLYFET RF DEVICES REVISION 04/27/2001 1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com LK701 POUT VS PIN GRAPH LK701 POUT VS PIN F=500 MHZ; IDQ=0.3A; VDS=28V 50 48 46 44 42 40 38 36 22 24 26 28 30 PIN IN dBm 32 34 36 38 1 dB Compression 70W 19 100 CAPACITANCE VS VOLTAGE L1B 1DIE CAPACITANCE 18 Pout 17 Ciss Coss 16 Gain 15 14 13 12 10 Efficiency = 55% Crss 1 0 5 10 15 20 25 30 VDS IN VOLTS IV CURVE L1B 1 DIE IV 12 10 ID & GM VS VGS L1B 1 DIE ID, GM vs VG 10 ID 8 ID IN AMPS 6 1 GM 4 2 0 0 2 4 6 8 10 12 VDS IN VOLTS Vg=6v vg=8v 14 16 18 20 0.1 0 2 4 6 8 Vgs in Volts 10 12 14 vg=2v Vg=4v vg=10v vg=12v Zin Zout PACKAGE DIMENSIONS IN INCHES Tolerance .XX +/-0.01 .XXX +/-.005 inches POLYFET RF DEVICES REVISION 04/27/2001 1110 Avenida Acaso, Camarillo, Ca 93012 Tel:(805) 484-4210 FAX: (805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com |
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