HIGH_Z_PROBE

Published:2009/7/10 22:24:00 Author:May | From:SeekIC

Provides about 1200-megohm input impedance to CRO, with unity gain. Pot adjusts equalization at higher frequencies. Q1 can be U112, 2N2607, 2N4360 or TIM12. Q2 can be 2N706, 2N708, 2N2926, 2N3394 or HEP 50.-Circuits, 73 Magazl'ne, March 1974, p 89.



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