[Elecraft] Power supply V drop - was poor CW on K3S

Augie "Gus" Hansen augie.hansen at comcast.net
Sat Apr 25 14:37:38 EDT 2020


On 4/25/2020 12:19 PM, Fred Jensen wrote:
> ... If this is a fixed installation and your power supply has some 
> form of overcurrent protection [e.g. crowbar], there may be no need 
> for any fuses in the power cable.

A crowbar circuit will short the output of the PS to prevent an 
over-voltage event from damaging the equipment being powered. A fuse or 
fast acting breaker is used to guard against over-current events.

Gus Hansen
KB0YH



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