Sorry this is a long one.

[Rob]

Tony Allgood wrote:
> 


> >but I would recommend you copy the latch and r-2r network dac and slide
> circuit from the original for driving the cv input.
> I used the autoglide circuit on my cv convertor with my clone and
> something
> was missing. I suspect there is some 'dirt' at the start of notes on the
> 303
> which doesn't happen with the cv convertor, that adds a bit of bite.
> 
> I think the slide is always on for the first few microseconds for each
> new note. This gives it the bite, you are talking about. It may even
> spike the CV as the 4066 changes state twice.

Yep, I have been beat down about this before, but there is a very quick
slide (pretty much inaudible, but there nonetheless) and the degree of
its affecting the CV depends on the last CV amount and what the cap
charged to..mind you, the pulse gets longer as the tempo gets slower
too, since every note is divided into 6ths(24ppq)..  you get a 1/6th
pulse for no glide (this updates the latch), and you get 6/6ths for a
glide. This I believe I gleaned from Robin Whittle. I would say you
could just automatically introduce this into the slide circuit by
triggering a little pulse circuit from the gate to introduce a spike to
the slide circuit. a cap, transistor, couple o resistors should do it. I
had to make one of these to go to the trig circuit in my Arp so I could
seperately trigger the ADSR independent of the GATE AR..works good.

 am therefore now
> thinking about adding the narrow trigger pulse from the EG to modulate
> the pitch CV, to introduce this. This worked well on my old Rogue when I
> used it with my analogue sequencer... now, in bits, I needed the parts.

That might work too, I would be worried it might be too long for fast
tempo stuff. 
> 
Rob