io duati, Line. TELEPHONE: (973) 376-2922 {212)227-6005 FAX: (973) 376-8960 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. JFET VHF/UHF Amplifiers 2N5484 2N5486 N-Channel — Depletion 1 DRAIN 3 GATE 2 SOURCE MAXIMUM RATINGS Rating Unit Symbol Value VDG VGSR 25 Vdc 25 Vdc ID 30 mAdc Forward Gate Current 'G(f) 10 mAdc Total Device Dissipation @ TC = 25 C Derate above 25 C PD 350 2.8 mW mW/"C Tj, Tstg -65 to +150 "C Drain -Gate Voltage Reverse Gate -Source Voltage Drain Current Operating and Storage Junction Temperature Range TO-92 ELECTRICAL CHARACTERISTICS (TA = 25"C unless otherwise noted) Characteristic Symbol Min Typ Max Unit V(BR)GSS -25 — — Vdc — -1.0 -0.2 nAdc nAdc OFF CHARACTERISTICS Gate -Source Breakdown Voltage (|Q= -1.0 MAdc, VDS = 0) Gate Reverse Current (VGS = -20 Vdc, VDS = 0) IGSS I (vGs = -20 vdc, vDS = °. TA = 100 c) Gate Source Cutoff Voltage (VDS = 1 5 Vdc, I D = 1 0 nAdc) Vdc VGS(off) 2N5484 2N5486 -0.3 -2.0 —_ -3.0 -6.0 ON CHARACTERISTICS Zero-Gate-Voltage Drain Current (VDS = 15 Vdc, VGS = °) 2N5484 2IM5486 !DSS — 5.0 20 3000 4000 - 6000 8000 — — 100 1000 — — 50 75 — — 75 100 2500 3500 - — 1.0 8.0 mAdc SMALL-SIGNAL CHARACTERISTICS Forward Transfer Admittance (VDS = 15 Vdc, VQS = ° . f = 1-0 kHz) Input Admittance (VDS = 1 5 Vdc, VGS = 0, f = 1 00 MHz) (VDS = 15 Vdc, VGS = 0, f = 400 MHz) Output Admittance (VDS = 15 Vdc, VQS = 0, f= 1.0 kHz) Output Conductance (Vos = 1 5 Vdc, VGS = 0, f = 1 00 MHz) (VDS = 1 5 Vdc, VGS = O. f = 400 MHz) Forward Transconductance (VDS = 15Vdc, VGS = °. f = 100 MHz) (VDS = 15 Vdc, VGS = °. f = 400 MHz) (imhos IVfsl 2N5484 2N5486 Re(yis) 2N5484 2N5486 nmhos (imhos IVosI 2N5484 2N5486 Re(yos) 2N5484 2N5486 jimhos nmhos Re(Yfc) 2N5484 2N5486 2N5484 2N5486 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued) Symbol Min Typ Max Unit Input Capacitance (VDS = 15 Vdc, VGS = 0, f = 1 .0 MHz) CjSS — — 5.0 PF Reverse Transfer Capacitance (VDS = 15 Vdc, VGS = 0, f = 1 .0 MHz) Crss — — 1.0 PF CQSS — — 2.0 PF — — — — — — — 2.5 3.0 — 2.0 4.0 Characteristic SMALL-SIGNAL CHARACTERISTICS (continued) Output Capacitance (vDS = 1 5 Vdc, VQS = o, f = 1 .0 MHZ) FUNCTIONAL CHARACTERISTICS Noise Figure (VDS = 1 5 Vdc, VGS = O, R G = 1 .0 Megohm, f = 1 .0 kHz) (VDS = 15 Vdc, ID = 1.0 mAdc, RQ = 1 0 k£i, f = 100 MHz) (VDS = 15 Vdc, ID = 1.0 mAdc, RQ = lOkli, f = 200 MHz) (VDS = 15 Vdc, ID = 4.0 mAdc, RQ *> 1.0 k£i, f= 100 MHz) (VDS = 15 Vdc, ID =4.0 mAdc, RQ = 1 .0 kQ, f = 400 MHz) 2N5484 2N5484 2N5486 2N5486 Common Source Power Gain (VDs = 15 Vdc, lo = 1 OmAdc, f= 100 MHz) (VDS = 15 Vdc, ID = 1 .0 mAdc, f = 200 MHz) (VDS = 15Vdc, ID =4.0 mAdc, f= 100 MHz) (VDS = 15 Vdc, ID = 4.0 mAdc, f = 400 MHz) 2N5484 2N5484 2N5486 2N5486 NF dB 4.0 — — dB Gps 16 — 18 10 — 14 — — 25 — 30 20