[sdiy] meter meter on the wall

[steven_thomas]

Hi Ed,
         well I too have a meter in my modular setup that I haven't wired up
yet. I have the synthi A/VCS3
service manual and looking at the meter schematics..it does basically what
you suggest..a rectifier setup for the  signal voltages,  a DC follower for
control voltages (assuming they are all positive in your setup)
some resistors to adjust for whatever F.S.D. is on your meter. Plus a switch
for monitoring either signal
or control voltages on the meter. In the synthi a couple of transistors are
used ..but I guess modern op-amps will be best for the buffering.
Hope this helps.
cheers steve thomas
----- Original Message -----

From: BRADSHAW <E.K.Bradshaw at newcastle.ac.uk>
To: <synth-diy at node12b53.a2000.nl>
Sent: Tuesday, February 20, 2001 10:03 PM
Subject: [sdiy] meter meter on the wall


> I don't suppose any one can help me out.
>
> I want to put a synthi A style meter on an output module - my
> question is - what sort of thing do I deep to control it?  my own
> minimal-tech guess would be: Buffer - rectifier - voltage
> divider/trimmer - galvonmeter.  Is any of this remotely right?
>
> thanks for any help.
>
> Eddd
>
> E.k.bradshaw at ncl.ac.uk
>