I'm building a DC power supply tester for a PA system. Part of the testing process, I would like to detect ripple and noise in 500 to 15k hertz range.
Was thinking a simple led if noise or ripple is detected.
Example, one specific power supply, the manufacturer forgot to put a high uFcapacitor on load side of +24v regulator so the power rail transferred the regulator ramp signal to the pa amp which transferred the noise across the PA system.
If I can get some suggestions on where to start, that would be great. I'm not splittering hairs on this one so brute and simple.
Thanks in advance
Micheal
Was thinking a simple led if noise or ripple is detected.
Example, one specific power supply, the manufacturer forgot to put a high uFcapacitor on load side of +24v regulator so the power rail transferred the regulator ramp signal to the pa amp which transferred the noise across the PA system.
If I can get some suggestions on where to start, that would be great. I'm not splittering hairs on this one so brute and simple.
Thanks in advance
Micheal