https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Mon, 02 Feb 2015 05:50:41 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.19 https://jestineyong.com/bench-power-supply-repaired/ https://jestineyong.com/bench-power-supply-repaired/#comments Mon, 02 Feb 2015 05:50:41 +0000 https://www.jestineyong.com/?p=8960                       I bought this GQ Variable DC Power Supply, and when I went to test it I found out that it didn’t work! The power supply is a +/- 0-30V with 0-5A constant current and constant voltage, and coarse & fine adjustments. The voltage display […]

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