Electronics > Beginners
Converter whine
davelectronic:
The load was a 50 watt halogen bulb, as three modules are fine, I will take a closer look. I've only limited test equipment, so looking at wave forms are not doable for this. My only thoughts are this unit playing up with an RF load. I'm unsure of the way these converters will behave with an RF load anyway.
What I'm doing is dropping a hp 135 watt 19.50 Volts power brick to a more usable 12 to 13.80 Volt output supply. I've never used a buck converter on anything RF related, so all new idea to me.
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