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| Datasheet File OCR Text: |
| NTE2643 Silicon NPN Transistor, VHF/UHF Low Noise Amp (Surface Mount) Features: D Low Noise Figure, High Gain D NF = 1.1dB, |S21e|2 = 13dB (f = 1GHz) Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Collector-Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Collector-Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Emitter-Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80mA Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Collector Power Dissipation, PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Collector Cutoff Current Emitter Cutoff Current DC Current Gain Output Capacitance Reverse Transfer Capacitance Transition Frequency Insertion Gain Noise Figure ICBO IEBO hFE Cob Cre fT |S21e|2 NF VCB = 10V, IE = 0 VEB = 1V, IC = 0 VCE = 10V, IC = 20mA VCB = 10V, IE = 0, f = 1MHz, Note 1 VCE = 10V, IC = 20mA VCE = 10V, IC = 20mA, f = 500MHz VCE = 10V, IC = 20mA, f = 1GHz VCE = 10V, IC = 5mA, f = 500MHz VCE = 10V, IC = 5mA, f = 1GHz - - 80 - - 5 - 9.5 - - - - - 1.1 7 18 13.0 1 1.1 1 1 240 1.6 - - - - 2.0 A A pF pF GHz dB dB dB dB 0.65 1.05 Note 1. Cre is measured by 3 terminal method with capacitance bridge. .008 (0.2) C E .083 (2.1) E B .051 (1.3) .079 (2.0) .049(1.25) .037 (0.95) .004 (0.1) |
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