Forum Discussion
wa8yxm
Oct 21, 2019Explorer III
Leds come in differing quality.
Some are very noisy (Technically they are white noise generators)
Some are filtered.
Often a small ceramic capicator. say 3 in parallel .1 .01 and .001 mmF as I recall.. may be pF though. across the lights as close to the LED as possible may help.. Actually just one of the 3 will fix it. but it may be one for AM and one for FM.
Some are very noisy (Technically they are white noise generators)
Some are filtered.
Often a small ceramic capicator. say 3 in parallel .1 .01 and .001 mmF as I recall.. may be pF though. across the lights as close to the LED as possible may help.. Actually just one of the 3 will fix it. but it may be one for AM and one for FM.
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