Published:2009/7/24 2:57:00 Author:Jessie | From:SeekIC
Q1-Q2 serve as boot-strap amplifier for voltage on storage capacitor C2. Each incoming pulse transfers charge increment from C1 to C2. Reliable counts as large as Ion are easily obtained.-N. C. Hekimian, PNP-NPN CIRCUITS: New Look at a Familiar connection, Electronics, 35:47, p 42-46.
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