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| Datasheet File OCR Text: |
| NTE451 Silicon N-Channel JFET Transistor VHF/UHF Amplifier Absolute Maximum Ratings: Drain-Gate Voltage, VDG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Reverse Gate-Source Voltage, VGSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Drain Current, ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA Total Device Dissipation (TC = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8mW/C Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter OFF Characteristics Gate-Source Breakdown Voltage Gate Reverse Current V(BR)GSS IG = -1A, VDS = 0 IGSS VGS(off) IDSS |yfs| Re(yis) |yos| Re(yos) gfs Ciss Crss Coss VGS = -20V, VDS = 0 VGS = -20V, VDS = 0, TA = +100C Gate-Source Cutoff Voltage ON Characteristics Zero-Gate-Voltage Drain Current VDS = 15V, VGS = 0 VDS = 15V, VGS = 0, f = 1kHz VDS = 15V, VGS = 0, f = 400MHz VDS = 15V, VGS = 0, f = 1kHz VDS = 15V, VGS = 0, f = 400MHz VDS = 15V, VGS = 0, f = 400MHz VDS = 15V, VGS = 0, f = 1MHz VDS = 15V, VGS = 0, f = 1MHz VDS = 15V, VGS = 0, f = 1MHz 4 - 20 mA mho mho mho mho mho pF pF pF ID = 10nA, VDS = 15V -25 - - -0.5 - - - - - -1.0 -0.2 -4.0 V nA nA V Symbol Test Conditions Min Typ Max Unit Small Signal Characteristics Characteristics Forward Transfer Admittance Input Admittance Output Admittance Output Conductance Forward Transconductance Input Capacitance Reverse Transfer Capacitance Output Capacitance 3500 - - - 3000 - - - - - - - - - - - 7000 1000 60 100 - 5 1 2 Electrical Characteristics Cont'd): (TA = +25C unless otherwise specified) Parameter Functional Characteristics Noise Figure NF VDS = 15V, ID = 4mA, RG 1k VDS = 15V, ID = 4mA f = 100MHz f = 400MHz f = 100MHz f = 400MHz - - 18 10 - - - - 2 4 30 20 dB dB dB dB Symbol Test Conditions Min Typ Max Unit Common Source Power Gain Gps .135 (3.45) Min .210 (5.33) Max Seating Plane .500 (12.7) Min .021 (.445) Dia Max DSG .100 (2.54) .050 (1.27) .165 (4.2) Max .105 (2.67) Max .105 (2.67) Max .205 (5.2) Max |
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