[sdiy] Temperature compensating capacitors

[Ian Fritz]

At 05:33 AM 5/6/2014, pata at ieee.org wrote:
>Hi, I can't imagine to use tempco-ceramics C in analog synthesizer 
>circuit. I can't use ceramic capacitors instead of plastic film capacitors 
>in VCO or in VCF because their DC leak characteristics.


Oh my!  I never use anything else anymore.  C0G and NP0 units have very low 
leakage and tempco.  I have tested these carefully in high-performance 
VCOs, and they work very well.

Ian