Synch on the Digisound VCDO

[Keith Winstanley]

In-Reply-To: <MDAEMON-F200011072014.AA142212MD62128 at asapnet.net>
> Look at Kevins mods on the synthfool site. He has implemented the hard 
> reset. I think there is an extra section or two in the CD40106 you can use
> to process the external signal? Just put a 100pf in series with the input
> and run the output to the reset pin. Also a 10K or 100K to ground. You don't
> want to hold the counter in reset, just bang it on the edges of the synch
> signal. You may need to use a second section if the polarity of the reset
> signal is wrong.

Hi Grant,

many thanks for the advice, can't really sort out what is happening with
Kevins Module. I am still quite thick about electronics, would that 10K/100K
be before or after the 100pf cap?

many thanks


Keith

http://home.freeuk.net/lowpass