J320 VISHAY
Document overview
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- PDF pages: 2
Technical content
- • • See Section 4
- VHF Buffer Amplifiers BENEFITS
- IF Amplifiers • High Gain 9fs = 120,000 I1mho Typical
- Wide Dynamic Range
- Low Intermodulation Distortion TO-S ABSOLUTE MAXIMUM RATINGS (25°C) See Section 5 G~: Lead Temperature ELECTRICAL CHARACTERISTICS (25°C unless otherwise noted) U320 U321 U322 Characteristic Unit Test Conditions 1 -3 -3 -3 nA i- IGSS Gate Reverse Current (Note 1} -0.5 -0.5 -0.5 VGS"'-15V,VDS"'OV be I~ S "A T'" 100 C !~ T VGS(off} Gate-Source Cutoff Voltage -2 -10 -1 -4 -3 -10 V VDS '" 5 V. ID - 1 rnA
4 A BVGSS Gate-Source Breakdown Voltage -25 -25 -25 IG - -1 J1A, VDS - 0 V
15 T 500 80 250 200 700 mA VDS'" 15 V, VGS - 0 V I IDSS Saturation Drain Current (Note 2) 100
16 C VGSlfl Gate-Source Forward Voltage 1 1 1 V IG - 1 rnA, VOS - 0 V
rDS(on) Drain-Source ON Resistan\\;e 10 11 8 <l VGS=DV,ID-l0mA
8 Qf,
Common-Source Forward 75 120 200 75 120 200 75 130 200 mmhos Vas'" 15 V, VGS '" 0 V f '" 1 kHz Transconductance (Note 2) 1- Common-Source Input 9 0 Ciss . 30 30 30 I-V Capacitance
10 N C rss Common-Source Reverse 15 15 15 A Transfer Capacitance pF VGS"'-10V,VOS=OV f= 1 MHz
111 M C g, Gate-Source Capacitance 12 12 12 VGS=-10V,IO-O
1"12 I C Cgd Gate-Drain Capacitance 12 12 12 VGO=-10V,IS-O 1- - Equivalent Short Circuit nV 13 'n Input Noise Voltage 2 2 2 JH, VOS=5 V.IO '" 10mA f"" 1 kHz 14 91g Common Gate Forward 55 55 55 H Transconductance I-I Common-Gate Input 15 G gig Conductance 56 56 56 mmho 1- H VDG '" 20 V, 10 = 25mA f=50MHz 16 gog Common-Gate Output 0.5 0.5 0.5 Conductance F GpS 9 9 R Power Gain (Note 3) 9 d8 118 E Ft Gain-Bandwidth (Note 4) 400 400 400 MH, VOS'" 15V.VGS=OV 119 Q NF Noise Figure (Note 3) 2.5 2.5 2.5 d8 VOG-20V.lo-25mA f-30MHz NOTES: NIP 1. Approximately doubles for every lOoC increase in T A. 2. Pulse test duration"" 2 ms. 3. Noise figure (SSB) and power gain measured in circuit shown in Figure 1 4. Computed as 9fs/Crss. © 1977 Siliconbc incorporated 3-134
.01 ",F ~OUTPUT . J::' son Tl-6 TURNS #22 AWG TWISTED PAIR WIRE ON 0.375 INCH DIAMETER INDIANA GENERAL F625·9Q2 TOROID CORE.
50 MHz Power Gain and Noise Figure Test Circuit
for U320. U321 and U322 Figure 1
30 H-t-++-t-"i'N-"T'TRC",'rPTC;P:::O'+NT'-I-l
.5O IZ 3.d ORDER L1 ..61) INTER- V- -10 7 Z MOD~Rl6ci~~
- BO INPUT POWER (dBml Gain - Intermodulatiorr Characteristics Figure 2 3·135