On 1/20/2012 1:01 PM, bill ny9h wrote:
> On 1/19/2012 2:47 PM, Jeff Blaine wrote:
> > Any one have any experience with any of these units, regarding HF
> RFI emission?
> the Jim Brown wrote:
> Most UPS units operate in STANDBY mode, monitoring the power line and
> going into ACTIVE mode only when power fails.
The early UPSs worked as line conditioners that both regulated the
voltage and cleaned up the wave form, but those have long since
disappeared except for rather expensive units.
73
Roger (K8RI)
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