Coax Switching

[john]

But the tuned circuits bandswitched  to another band do!!!
:-)

John K5MO


At 11:47 PM 1/8/2007, DavidGriffin wrote:
>You know, I always do that but I'm unsure it if helps because I don't 
>think the first FET cares what band the rest of the radio is tuned to.
>What do  you think?
>Dave
>
>Dick KF4NS wrote:
>>One thing that was not mentioned here but would help considerably is, in 
>>addition to the level  of  isolation, tune the unused radios to
>>another band or at least detune them (if  boatanchors) or select the 
>>opposite end of the band.
>>
>>73, Dick KF4NS
>>St Petersburg, FL 33714
>>Keep The Glow!
>>
>>>-----Original Message-----
>>>From: Heathkit Owners and Collectors List
>>>[mailto:HEATH at LISTSERV.TEMPE.GOV]On Behalf Of Bernie Arcand
>>>Sent: Saturday, January 06, 2007 5:20 PM
>>>To: HEATH at LISTSERV.TEMPE.GOV
>>>Subject: Coax Switching
>>>
>>>
>>>Hi guys...
>>>I have a Heathkit Coax switch that I built decades ago, and now
>>>that I have two rigs, I have the output of both of these rigs
>>>into the switch, with the common port the output to the
>>>tuner/antenna.  Question:  Is there a possibility or potential or
>>>likelyhood that by transmitting on one radio, that I can damage
>>>the receive on the other radio when it is turned off?  Would I
>>>decrease the likelyhood of damage if I turn on the RF attenuator
>>>on the unused rig before I turn it off?  I realize the safest way
>>>is to disconnect the coax and terminate it into a 50 ohm
>>>load...but don't want to do that.  Simply want to switch between rigs.
>>>
>>>I don't know if I was just used to the dimished receive
>>>capability ion my Kenwood TS830S and didn't realize it until I
>>>compared it to the Kenwood TS-430S, which is super hot!
>>>
>>>Just wondering what your opinions are...any and all...but rest
>>>assured, I'm not trading my Kenwoods for a /\/\.
>>>
>>>Bernie in ND
>>>WD0GMD
>>Joseph Hurd, AF6G
>>
>>jehurd at darrcam.com
>>
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