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Re: Next SINUS project??

Posted: Fri Jan 24, 2025 7:26 am
by radium98
Albert H wrote: Thu Jan 23, 2025 11:14 pm
radium98 wrote: Wed Jan 22, 2025 5:41 pm Any single side. Please.
I might be able to help. Please wait a few days.
Oh , thanks . :tup

Re: Next SINUS project??

Posted: Fri Feb 14, 2025 10:01 am
by radium98
radium98 wrote: Fri Jan 24, 2025 7:26 am
Albert H wrote: Thu Jan 23, 2025 11:14 pm
radium98 wrote: Wed Jan 22, 2025 5:41 pm Any single side. Please.
I might be able to help. Please wait a few days.
Oh , thanks . :tup
@Albert H ?

Re: Next SINUS project??

Posted: Tue Mar 11, 2025 7:55 am
by radium98
Albert H what about the few days sir ? dont worry no problem.

I would like to ask if some of you gentelman have the old lim comp Lim3 original version , i need a closed picture from its back .
one of my freind cloned me the pcb since 3 years , but i think a fault of eyes or many errors happened , i have tried myself to solve but no luck .
so why i need a clear picture to see wich tracks are overlapped.
Thanks for help .

Re: Next SINUS project??

Posted: Fri Mar 14, 2025 6:01 pm
by radium98
the last pcb is to send to the trash bin , not working at all . and the one first that i bought in 2006 , suddenly the sound jump and goooooooooooooooooo muting for several seconds , i tried everything but no luck .
Finally aar,,,, veronica is a shit .

Re: Next SINUS project??

Posted: Sat Mar 15, 2025 4:09 am
by Albert H
This old NRG limiter is quite good, but getting reliable results - with low distortion - can be difficult, especially if you're unsure of the parameters of your FETs.

I prefer other designs nowadays - good quality op-amps and transconductance amps make limiters easier these days. My early experiments with transconductance amplifiers were disappointing because of the poor noise and distortion specification of these ICs. However, I decided to try another configuration, using a high quality dual op-amp (NE5532 or LM833) and a dual transconductance amp (LM13600 or LM13700), using the transconductance amp for variable negative feedback around the op-amp. The results were very good.

I designed three or four single-band stereo limiters (and compressors) using this technique, and even the simplest of them could be configured for fast, low distortion limiting quite easily.

AH Feedback Limiter.png