[Repeater-Builder] Re: CTCSS Encoder/Decoder

[skipp025]

> I've never seen anyone have real success with those chips in 
> that application. 

http://www.hamtronics.com/pdf/TD-3.pdf 

> Frankly, I think the internal components in the IC do not 
> have the tolerance and stability to handle it, so no amount of 
> high-tolerance components on the outside will make it usable.

wrong

> They were never designed for that purpose anyway. They were 
> for broad decode app's in the audible range...cheap. Like a 
> 1050Hz decoder in a weather radio.

A little extra time with the mfgrs data sheets would yield 
usable results. 

s.