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| polyfet rf devices General Description Silicon VDMOS and LDMOS transistors designed specifically for broadband RF applications. Suitable for Military Radios, Cellular and Paging Amplifier Base Stations, Broadcast FM/AM, MRI, Laser Driver and others. "Polyfet" process features gold metal for greatly extended lifetime. Low output capacitance and high Ft enhance broadband performance TM F1077 PATENTED GOLD METALIZED SILICON GATE ENHANCEMENT MODE RF POWER VDMOS TRANSISTOR 125 Watts Single Ended Package Style AM HIGH EFFICIENCY, LINEAR, HIGH GAIN, LOW NOISE ABSOLUTE MAXIMUM RATINGS (TC = 25 C) Total Device Dissipation 250 Watts Junction to Case Thermal Resistance 0.7 o C/W Maximum Junction Temperature 200 o C Storage Temperature DC Drain Current Drain to Gate Voltage 70 V Drain to Source Voltage 70 V Gate to Source Voltage 30V o -65 o C to 150o C 12 A RF CHARACTERISTICS ( SYMBOL Gps PARAMETER Common Source Power Gai Drain Efficiency Load Mismatch Toleranc MIN 11 60 TYP 125WATTS OUTPUT ) MAX UNITS dB % 20:1 Relative TEST CONDITIONS Idq = 1.2 A, Vds = 28.0 V, F = 150 MHz Idq = 1.2 A, Vds = 28.0 V, F = 150 MHz Idq = 1.2 A, Vds = 28.0 V, F = 150 MHz VSWR ELECTRICAL CHARACTERISTICS (EACH SIDE) SYMBOL Bvdss Idss Igss Vgs gM Rdson Idsat Ciss Crss Coss PARAMETER Drain Breakdown Voltag Zero Bias Drain Curren Gate Leakage Curren Gate Bias for Drain Curren Forward Transconductanc Saturation Resistanc Saturation Curren Common Source Input Capacitanc Common Source Feedback Capacitanc Common Source Output Capacitanc 1 4.8 0.18 33 198 24 120 MIN 65 6 1 7 TYP MAX UNITS V mA uA V Mho Ohm Amp pF pF pF TEST CONDITIONS Ids = 0.3 A, Vgs = 0V Vgs = 0V Vgs = 30V Vgs = Vds Vds = 28.0 V, Vds = 0 V, Ids = 0.6 A, Vds = 10V, Vgs = 5V Vgs = 20V, Ids = 24 A Vgs = 20V, Vds = 10V Vds = 28.0 V, Vgs = 0V, F = 1 MHz Vds = 28.0 V, Vgs = 0V, F = 1 MHz Vds = 28.0 V, Vgs = 0V, F = 1 MHz POLYFET RF DEVICES REVISION 8/1/97 1110 Avenida Acaso, Camarillo, CA 93012 TEL:(805) 484-4210 FAX:(805) 484-3393 EMAIL:Sales@polyfet.com URL:www.polyfet.com F1077 POUT VS PIN GRAPH F1077 POUT VS PIN F=150 MHZ; IDQ=1.2A; VDS=28.0V 180 160 140 120 100 80 60 40 0 5 10 PIN IN WATTS CAPACITANCE VS VOLTAGE F1B 6 DICE CAPACITANCE 15.00 14.00 13.00 1000 Ciss 12.00 100 Coss 11.00 Efficiency = 60% 10.00 9.00 8.00 15 20 POUT 10 0 5 10 15 VDS IN VOLTS Crss 25 GAIN 20 25 30 IV CURVE F1B 6 DICE IV CURVE 40 35 ID AND GM VS VGS F1B 6 DIE GM & ID vs VG 100 Id 30 25 20 15 10 5 0 0 2 4 6 8 10 Vds in Volts 10 1 Gm 12 14 16 18 20 0.1 0 2 4 6 Vgs in Volts 8 10 12 14 Vg = 2V Vg = 4V Vg = 6V Vg = 8V Vg = 10V Vg = 12V S11 AND S22 SMITH CHART PACKAGE DIMENSIONS IN INCHES POLYFET RF DEVICES REVISION 8/1/97 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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