Search found 7 matches

Thanks for the reply, i got the filters working using 547C. The subfix is the range that the current gain will be in i think and it definitely does matter afaik in the circuit.. I also had a lot of p ...

Hi! Thanks as always for your wonderful designs and support Yves (and everyone else). I've got (among several other yusynth modules sitting on my desk) a couple VCO's I'm trying to debug. There are ...

A little confused.. people who have successfully built the moog filter clone, what trans did you use for the ladder? BC547, BC547B, or BC547C?

Just to clarify Yves, for the VCA circuit on your site ("a simple but effective VCA"), the matched pair of transistors (Q1, Q2) needs to be matched for Hfe, not Vbe.

Also to what % do the ...

Yes sounds interesting, could have a nice character. I took another look at the schem, guess I didn't quite get what was going on as I thought the decreased low end was just a simple loading issue fr ...

Hi I was wondering if it's possible to just stick a simple op amp buffer after the yusynth minimoog style filter and have it not decrease low frequencies at high resonances. Yves your description sug ...

i am building some yusynth modules and am not sure whether to buy 1/4 or 1/2 watt resistors. it doesn't seem to be discussed here or on the yusynth site, so i was wondering what others have used. th ...

Author	Message
Topic: BC547 question ( applied to other ICs)
intoodeep Replies: 15 Views: 21706	Posted: Mon Jun 28, 2010 5:31 pm Subject: BC547 question ( applied to other ICs) Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 15 Views: 21706	Thanks for the reply, i got the filters working using 547C. The subfix is the range that the current gain will be in i think and it definitely does matter afaik in the circuit.. I also had a lot of p ...
Topic: VCO troubleshooting: sine converter top issue and drift
intoodeep Replies: 1 Views: 3891	Posted: Fri May 21, 2010 1:11 pm Subject: VCO troubleshooting: sine converter top issue and drift Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 1 Views: 3891	Hi! Thanks as always for your wonderful designs and support Yves (and everyone else). I've got (among several other yusynth modules sitting on my desk) a couple VCO's I'm trying to debug. There are ...
Topic: BC547 question ( applied to other ICs)
intoodeep Replies: 15 Views: 21706	Posted: Sat Apr 24, 2010 3:34 pm Subject: BC547 question ( applied to other ICs) Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 15 Views: 21706	A little confused.. people who have successfully built the moog filter clone, what trans did you use for the ladder? BC547, BC547B, or BC547C?
Topic: VCA Transistor matching
intoodeep Replies: 25 Views: 50698	Posted: Sat Apr 03, 2010 9:53 pm Subject: VCA Transistor matching Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 25 Views: 50698	Just to clarify Yves, for the VCA circuit on your site ("a simple but effective VCA"), the matched pair of transistors (Q1, Q2) needs to be matched for Hfe, not Vbe. Also to what % do the ...
Topic: Buffering Minimoog filter
intoodeep Replies: 2 Views: 4019	Posted: Thu Mar 18, 2010 1:43 pm Subject: Buffering Minimoog filter Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 2 Views: 4019	Yes sounds interesting, could have a nice character. I took another look at the schem, guess I didn't quite get what was going on as I thought the decreased low end was just a simple loading issue fr ...
Topic: Buffering Minimoog filter
intoodeep Replies: 2 Views: 4019	Posted: Tue Mar 16, 2010 8:30 pm Subject: Buffering Minimoog filter Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 2 Views: 4019	Hi I was wondering if it's possible to just stick a simple op amp buffer after the yusynth minimoog style filter and have it not decrease low frequencies at high resonances. Yves your description sug ...
Topic: 1/4 or 1/2 watt resistors
intoodeep Replies: 4 Views: 6159	Posted: Mon Mar 15, 2010 11:24 am Subject: 1/4 or 1/2 watt resistors Subject description: cannot figure this out Forum: DIY Hardware and Software » YuSynth
intoodeep Replies: 4 Views: 6159	i am building some yusynth modules and am not sure whether to buy 1/4 or 1/2 watt resistors. it doesn't seem to be discussed here or on the yusynth site, so i was wondering what others have used. th ...