[sdiy] Single chip (3 opamp) wave multiplier

[Martin Czech]

http://www.geocities.com/SoHo/Museum/4459/diy/diy_toc.html

:::From: "Ian Fritz" <ijfritz at earthlink.net>
:::To: "Martin Czech" <czech at Micronas.Com>
:::Subject: Re: [sdiy] Single chip (3 opamp) wave multiplier
:::Date: Tue, 6 Feb 2001 19:20:31 -0700
:::Content-Transfer-Encoding: 7bit
:::
:::Hi Martin --
:::
:::I can't find your homepage. Could you send me the link? Thanks.
:::
:::  Ian
:::
:::----- Original Message -----
:::From: "Martin Czech" <czech at Micronas.Com>
:::To: <ijfritz at earthlink.net>
:::Cc: <synth-diy at node12b53.a2000.nl>
:::Sent: Tuesday, February 06, 2001 8:51 AM
:::Subject: Re: [sdiy] Single chip (3 opamp) wave multiplier
:::
:::
:::> It sounds and looks almost like 2 OP , fixed,zero bias carrier "FM",
:::> which we all know now is PM. A fixed zero bias carrier is nothing
:::> more then a table, the periodicy makes the wrap arround.
:::> Real osc shots and comparison with PM waves are to be found
:::> on my homepage.
:::>
:::> m.c.
:::>
:::>
:::>
:::> :::X-Authentication-Warning: node12b53.a2000.nl: majordomo set sender to
:::> owner-synth-diy at node12b53.a2000.nl using -f
:::> :::From: "Ian Fritz" <ijfritz at earthlink.net>
:::> :::To: <synth-diy at node12b53.a2000.nl>
:::> :::Subject: Re: [sdiy] Single chip (3 opamp) wave multiplier
:::> :::Date: Tue, 6 Feb 2001 08:18:41 -0700
:::> :::Content-Transfer-Encoding: 7bit
:::> :::
:::> :::Hi Juergen --
:::> :::
:::> :::Nice work! Thanks for putting it up.
:::> :::
:::> :::A couple of thoughts. (1) I'm curious as to why it would sound like FM.
:::> :::Isn't the output waveform periodic at the input frequency? (2) Have you
:::> :::experimented at all with feedback?
:::> :::
:::> :::  Ian
:::> :::
:::> :::
:::> :::----- Original Message -----
:::> :::From: "jh." <jhaible at t-online.de>
:::> :::To: <motm at yahoogroups.com>; "diy" <synth-diy at node12b53.a2000.nl>
:::> :::Sent: Monday, February 05, 2001 2:48 PM
:::> :::Subject: [sdiy] Single chip (3 opamp) wave multiplier
:::> :::
:::> :::
:::> :::> Hi,
:::> :::>
:::> :::> I have done some work on wave shapers recently.
:::> :::> Take a look if you're interested:
:::> :::> http://home.debitel.net/user/jhaible/jh_wavefolder.html
:::> :::>
:::> :::> JH.
:::> :::>
:::> :::>
:::> :::>
:::>
:::>