I remember seeing this before, but I can't find the post... I think it's a parallel T filter, but I'm not finding any numbers. It's supposed to have a peak gain of 1.207 or so despite being made of R's and C's. What is it?
Tim
-- Deep Friar: a very philosophical monk. Website: http://webpages.charter.net/dawill/tmoranwms
The solution to the energy demands of our planet :-))
-- SCNR, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
There are infinitely many ways to do that; perhaps the simplest is put lowpass or highpass RC on the top of the other lowpass or highpass RC.
---R1--- | | | C1 | | |--R2--| | C2 | GND
R1 C1 ~ R2 C2
R1 >>> R2
Vladimir Vassilevsky DSP and Mixed Signal Design Consultant
ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.