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BFQ70 Datasheet, PDF (6/14 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For low-noise IF and broadband amplifiers in antenna and telecommunications systems at collector currents from 2mA to 20mA)
BFQ 70
Circles of constant noise figure F = f (ZS)
in ZS-plane, IC = 5 mA, VCE = 6 V, f = 800 MHz
Noise figure F = f (IC)
Power gain G = f (IC)
VCE = 6 V, f = 800 MHz, ZLopt (G)