6 Threads found on edaboard.com: Design 1st Order Low Pass Filter
I want to create an optimized band-pass filter using two op-amp uA741. My required band is 85-115KHz with carrier frequency 100kHz. This design will be a part of Frequency division demultiplexer. It's very necessary to optimize the design for recovering an original message signal. In schematic (using orcad pspice 9.2) i have (...)
Analog Circuit Design :: 04-15-2012 04:04 :: Md. Sarwar Jahan Sabuj :: Replies: 19 :: Views: 1350
hey, recently i am designing an active filter circuit. but i meet with a problem. as u can see the pic, the fliter chip is from the national semiconductor. well, the focus is the calculation.
i know how to calculate two fo them: Fo=1/2*3.14*R1*C1
But how to calculate the
Analog Circuit Design :: 06-10-2011 04:07 :: 466576266 :: Replies: 17 :: Views: 2385
You may add a cap in parallel with R to form a 1st order low pass filter.
Your opamp usually has requirements on voltage supply. So using supply as limiters is not a good solution.
low price resistors, capacitors, and LEDs:
Would you let me know how to (...)
Analog Circuit Design :: 11-04-2009 09:59 :: vistapoint :: Replies: 6 :: Views: 5829
Hi, rg350dxlover !
Quote: I'm supposed to design a 3rd order Butterworth low-pass filter and so I combined 1st order and 2nd order Butterworth low-pass.
Perhaps I misunderstood your wording, however, just to avoid an (...)
Analog Circuit Design :: 07-15-2008 03:09 :: LvW :: Replies: 3 :: Views: 1677
hi, how to write matlab code for RC 1st order low pass filter??
i saw many matlab codes from internet , like butterworth, chebychev...
but don't have the one for RC low pass filter??
pls advice how to do it? i was stuck in RC filter (...)
Digital communication :: 12-24-2006 18:37 :: cmppolish2006 :: Replies: 0 :: Views: 4018
use "filter Wiz Pro" for your design.
Professional Hardware and Electronics Design :: 10-26-2006 21:57 :: ynhe :: Replies: 11 :: Views: 2505