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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

filter projetc

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samreen

New Member
i need help .acuatlly i had to select a projetc based on apamp .but i didn't fnd a good circuit ..
if anybdy of u have a cirucit on opamp then plesase send me
 
How about

a 300 to 3500hz bandpass filter
or

an amplifier with a gain adjustable between -10 and +10 (using only one op amp).

JimB
 
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