[time-nuts] Low noise power supplies for time nuts circuitry

ehydra ehydra at arcor.de
Tue Nov 22 21:40:11 EST 2011

lists at lazygranch.com schrieb:
> The bozos at Broadcom have actually patented using shunt regulation in their chips. Good luck enforcing that patent. 

Must be a joke or misunderstanding.

Look for example in the datasheet of TCA440. A really old IC. In the 
internal circuit displayed is a diode shunt regulator serving at the 
same time as reference divider.

- Henry


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