Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

band pass filter based on inverter based transconductor

Status
Not open for further replies.

abiz1987

Newbie level 2
Joined
Feb 22, 2011
Messages
2
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,292
how to design a 3rd order band pass filter based on inverter based trans conductance?? plz reply
 

LvW

Advanced Member level 5
Joined
May 7, 2008
Messages
5,832
Helped
1,739
Reputation
3,482
Reaction score
1,340
Trophy points
1,393
Location
Germany
Activity points
39,214
There are several alternatives - mostly based on multi-amplifier biquad (state variable) design.
One simple method is given in the pdf attachement.
Bandpass: Vin,1=Vin,3=0 (grounded) and Vout/Vin,2=bandpass response.
But note that the output requires a buffer amplifier (with voltage output).

Note also: The given circuit is of 2nd order. By definition, there are no bandpass circuits of 3rd order - only 2nd and 4th and 6th....
 

Attachments


abiz1987

Newbie level 2
Joined
Feb 22, 2011
Messages
2
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,292
sir i didnt get the pdf

---------- Post added at 13:52 ---------- Previous post was at 13:51 ----------

thank u sir for helping me

---------- Post added at 13:54 ---------- Previous post was at 13:52 ----------

actually i have a modulated output (differential) which i have to pass through a bandpass filter..thn throgh a demodulator.... (chopper stabilization technique).. can u plz help on this..
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top