[Elecraft] KPA500 Bypass Power Limit?

[Lyn Norstad]

My KPA500 goes into PASS-THROUGH mode when the Power is set to Off, or the power is On but the unit is in Standby.  It does not process the signal in any way, merely acknowledges its presence.  It does not have a Bypass mode.  In order to Bypass it, I need to move a couple of cables.

My KAT500, however, does have a BYPASS mode in which it measures the SWR and makes a decision on whether or not to provide any additional processing, other than routing it to the preferred ANTENNA, based on my indicated preferences.

73.0
Lyn, W0LEN

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jim Brown
Sent: Saturday, December 26, 2020 1:55 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] KPA500 Bypass Power Limit?

On 12/25/2020 7:12 PM, Andy Durbin wrote:
> KPA500 has no "BYPASS" mode.  It is either Off, On in STBY, or On in OPER.

Picky, picky, picky. :) When all of the power amps I'm aware of are in a 
mode usually called "Standby," meaning that they are powered up and 
ready to transmit, but are Bypassed. they are Bypassed. They are also 
Bypassed when turned off. And when tube amps are prevented from 
transmitting when their filaments are warming up, they are Bypassed.

73, Jim K9YC






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