[NLRS] PTT Switch

[Ray J]

i use the rca av switch you can find at walmart.. it works good ,i 
switch ptt lines (to ground) and 28 volts for multipole relays to 3 
transveters  ..... theres a video and 2 audio lines avalable so u can 
switch 3 lines 


w9ray
> 
> 
>  
> In a message dated 5/13/2005 7:59:25 P.M. Central Standard Time,  
> jbrown at luminet.net writes:
> 
> I am  looking for ideas for a simple PTT switch to use between 2
> transverters. I  am using an Icom 706 MkIIG and DEM transverters. I 
tried
> a simple AV switch  but as soon as I move the switch to a different
> position the tranverter  goes into transmit. Any ideas would be
> appreciated.
> 
> Jim  N0WE
> 
> 
> 
> 
> Jim, not sure what your doing ..... do you have one IF rig and two  
> transverters ?   If so, do you have an A/B switch for the IF  line 
AND a second A/B 
> switch for the PTT lines ?    Often  those "A/B" switches ground the 
non-selected 
> port .... if your PTT line  is "ground-to-transmit", that could be 
the 
> problem.     You  can check for this with an ohm meter.      A fix 
would  be to find 
> another switch, or modify the one you have, so that it floats when  
its not 
> deselected.   
>  
> 73, Jon
> W0ZQ
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