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Re: 0.001 caps

Posted by dickmc (A) on April 17, 2005 at 10:26:41

In Reply to: Re: Need advice on which ceramics to replace with polyprop film caps in this circuit? posted by chris_w on April 17, 2005 at 05:18:57:

Thanks for the input Chris. I much appreciate your time. The idea of a parasitic oscillation preventer had never occurred to me which shows how much I know.

The 0.001 uF polyprop film caps are Panasonic ECQ-P series (Digi-Key) which Panasonic says are noninductive construction here. Of course lots of manufacturers say things! :-)

If I could impose on your time and expersise a bit more: Which do you think would be the best option for these 35 year old ceramic disks:
1. Replace with 0.001 uF Pany ECQ-P only
2. Replace with 0.001 uF Pany ECQ-P bypassed with a 100 PF KEMET COG Multilayer ceramic
3. Replace with a 0.001 uF KEMET COG Multilayer ceramic only

At the 0.001 uF level are C19 and C21 likely to be doing any sonic coloration anyway?

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