External PTT options for CDM or CM series

[70 cutlass 442]

I am nearing the end of my voter system build. I am using a GE voter (Macom) and I am supplied with a +16VDC output from the voter. I am able to use either a CDM or CM series radio as an exciter but need a simple way to make the output from the voter usable. I also wouldn't mind a way to add hang time to this but I think I can manage that once I find a way to key the radio with the supplied output.

[Bill_G]

Is the +16 stiff enough to drive a small relay? If not, make yourself a simple open collector circuit, or use an optoisolator.

[VE3HKB]

Are you using a repeater controller of any type between your receiver(s) and transmitter?
Out of curiosity, how many receivers are you voting and how far apart are they located?

[70 cutlass 442]

Are you using a repeater controller of any type between your receiver(s) and transmitter?
Out of curiosity, how many receivers are you voting and how far apart are they located?

Hi there,

We are voting 3 sites as of now and have the ability to vote up to 6,two being remote and one being local. We currently do not have repeater controller between the voter and the transmitter but I am not opposed to buying one so if you could recommend one that will accept +16VDC, I am all ears. This is a public safety system so I would prefer commercial grade equipment. To answer your last question, the remote sites are about 3 miles away from the TX site (where voter is located).

[d119]

So the PTT from the voter is +16V? Like Bill said, use a relay...