DIODE_SAMPLING_BRIDGE

Published:2009/7/16 5:36:00 Author:Jessie | From:SeekIC

Uses diode matched quad with blocking-oscillator driving circuit. Negative input pulse triggers oscillator, generating pulse about 100 nsec wide, to forward-bias bridge diodes and reduce impedance between terminals 1 and 2 to about 5 ohms. Between pulses, diodes are reverse biased by capacitor charge and impedance between terminals rises to 1,000 meg.- Transistor Manual, Seventh Edition, General Electric Co., 1964, p 450.



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