2021-12-02T07:25:48Zhttps://meral.edu.mm/oaioai:meral.edu.mm:recid/21252021-08-07T00:10:55Zuser-uyConstruction of High Voltage Power Supply Unit for GM CounterKhin Kyu Kyu HlaingMya SandiHigh Voltage Power Supply Unit is essential for\r nuclear radiation detection or counting system. A high voltage\r power supply unit that is suitable to use with GM (Geiger\r Muller) counter is constructed with locally available components.\r The constructed high voltage unit is based on push-pull mode\r and it is acceptable for low-level primary voltage (2V to 10.19V)\r and delivers it at high-level secondary voltage (105V to 514V) of\r transformer. To avoid the insulation problem at the transformer\r secondary coil, a voltage multiplying circuit is used. The desired\r voltage is rectified and multiplied by voltage multiplier unit\r provides 3055V (-3 kV) DC at approximately 1mA output\r current.2010http://hdl.handle.net/20.500.12678/0000002125https://meral.edu.mm/records/2125