[OZAPRS] LM7805 and caps
Ray Wells
vk2tv at exemail.com.au
Mon Aug 27 19:11:42 EST 2007
Dave Horsfall wrote:
>On Mon, 27 Aug 2007, FLECK, Wolfgang wrote:
>
>
>
>>It is common knowledge that these 3 terminal regulators have a tendency
>>to oscillate. The capacitors prevent it. They need only about half a
>>microfarad or so to settle them down. It is also a good idea around RF
>>gear to have a bit of extra filtering. Say a 0.01mF ceramic in parallel.
>>
>>
>
>And don't forget the "feedback" diode.
>
>
>
>>Regards Bob VK2BYF
>>
>>
>
>G'day, Bite Yer Foot :-)
>
>-- Dave vk2kfu
>
>
>
I thought it was Bright Young Fellow. I've been mislead.
Ray vk2tv
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