Troubleshooting and Repair of an Astron RS-20M Power Supply
Troubleshooting and Repair of an Astron RS-20M Power Supply
This Astron hit the bench with the symptoms of very low voltage (around one or so volts) and high current (up over 25 amps) without any load connected. It turned out that the pass transistors, the balancing resistors, and the regulator had failed and that the crowbar was triggering.
Troubleshooting and Repair of an Astron RS-20M Power Supply
This Astron hit the bench with the symptoms of very low voltage (around one or so volts) and high current (up over 25 amps) without any load connected. It turned out that the pass transistors, the balancing resistors, and the regulator had failed and that the crowbar was triggering.
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North America - USA 🇺🇸 / Canada 🇨🇦 Amateur Frequencies
A shared discussion about North America Frequencies.
https://groups.io/g/Frequency
Radio Scanners
https://groups.io/g/Scanners
Whistler Scanners [Whistler, Uniden]
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**** Discussion Group *****
Amateur Radio Users Support Group
https://groups.io/g/AmateurRadio
North America - USA 🇺🇸 / Canada 🇨🇦 Amateur Frequencies
A shared discussion about North America Frequencies.
https://groups.io/g/Frequency
Radio Scanners
Whistler Scanners [Whistler, Uniden]
https://groups.io/g/Scanners
.
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