3:13

QJE PS30SWIV - 120vac MODIFICATION - Part-2

12:41

Ham Radio - QJE switching power supply repair.

16:15

Ham Radio Power Supply - The Right Choice

13:25

QJE PS30II 30 amp ebay power supply.

4:38

Test Equipment I built from Mr Carlson's Lab and Patreon page

5:08

{1243B} SMD ceramic capacitor color and capacitance range

7:23

БП QJE для рации PS30SWIV 13,8В 30А Импульсный, Регулируемый, 4-го поколения

27:37

#86 Fixing an Amateur Radio RF-Wattmeter