Sec 1223 Power Supply Schematic. Web my latest project is a new rybakov aerial. Web switch mode power supply:
Picked up a free Samlex sec1223 power supply, low/erratic voltage from www.ar15.com
The normal input voltage is 120 vac 60 hz. Web my latest project is a new rybakov aerial. Web samlex sec1223 switching supply emitting intense rf sweeping carrier at 271khz « on:
January 31, 2021, 04:27:15 Pm » I've Had A Samlex Sec 1223 Switching.
The normal input voltage is 120 vac 60 hz. Or 240 vac, 50 hz to regulated 13.8 vdc based on pulse width modulation ( pwm ). Got the schematic and made repairs, same issue on both units:
Web Switch Mode Power Supply:
Web samlex sec1223 switching supply emitting intense rf sweeping carrier at 271khz « on: Web switch mode power supply: I built it using a 7 metre sotabeams tactical (very strong!) telescoping qrp pole with the segments epoxied together.
Web Samlex Desktop Switching Power Supplies.
Replaced the bad capacitors, the two transistors, and the fuse. Web my latest project is a new rybakov aerial.
