[OZAPRS] LM7805 and caps

Dave Horsfall dave at horsfall.org
Mon Aug 27 18:54:53 EST 2007

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

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