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July 6, 2022 at 2:01 pm #29349
R_A_Ghosh
Participant

Attached schematic is driven by 3V or two AAA batteries. Trying to interface a buzzer through a transistor switch from gm tube pulse but buzzer output is feeble.
Getting proper counts though.

Attachments:

  1. Figure-8-Front-end-circuit-of-a-diy-Geiger-Counter-kit-.png