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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. TM "Polyfet" process features gold metal for greatly extended lifetime. Low output capacitance and high Ft enhance broadband performance F1001 PATENTED GOLD METALIZED SILICON GATE ENHANCEMENT MODE RF POWER VDMOS TRANSISTOR 20 Watts Single Ended Package Style AA HIGH EFFICIENCY, LINEAR, HIGH GAIN, LOW NOISE ABSOLUTE MAXIMUM RATINGS (TC = 25 C) Total Device Dissipation 50 Watts Junction to Case Thermal Resistance 3.13 o C/W Maximum Junction Temperature o 200 C Storage Temperature DC Drain Current Drain to Gate Voltage 70 V Drain to Source Voltage 70 V Gate to Source Voltage 30V o o o -65 C to 150 C 2A RF CHARACTERISTICS ( SYMBOL Gps PARAMETER Common Source Power Gain Drain Efficiency Load Mismatch Tolerance MIN 16 60 TYP 20WATTS OUTPUT ) MAX UNITS dB % 20:1 Relative TEST CONDITIONS Idq = 0.2 A, Vds = 28.0 V, F = 175 MHz Idq = 0.2 A, Vds = 28.0 V, F = 175 MHz Idq = 0.2 A, Vds = 28.0 V, F = 175 MHz VSWR 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 0.8 1 5.5 33 4 20 MIN 65 1 1 7 TYP MAX UNITS V mA uA V Mho Ohm Amp pF pF pF TEST CONDITIONS Ids = 0.05 A, Vds = 28.0 V, Vds = 0 V, Ids = 0.1 A, Vgs = 0V Vgs = 0V Vgs = 30V Vgs = Vds Vds = 10V, Vgs = 5V Vgs = 20V, Ids = 4 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 F1001 POUT VS PIN GRAPH F1001 POUT vs PIN IDQ=0.1A; F=175 MHZ VDS=28V CAPACITANCE VS VOLTAGE F1B 1 DIE Capacitance vs Vds 20 19 100 35 30 18 25 20 15 10 Efficiency = 75% 5 11 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 17 16 15 14 13 12 10 Coss Ciss Crss 10 PIN IN WATTS POUT GAIN 1 0 5 10 15 VDS IN VOLTS 20 25 30 IV CURVE F1B 1DIE IV CURVE ID AND GM VS VGS F1B 1 DIE GM & ID vs VG 6 10 Id 5 4 1 3 2 0.1 1 Gm 0 0 2 4 6 8 10 Vds in Volts Vg = 2V Vg = 4V Vg = 6V Vg = 8V Vg = 10V Vg = 12V 12 14 16 18 20 0.01 0 2 4 6 8 10 12 14 Vgs in Volts 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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