Hamed Moradi - APM Group International Inc, Kermanshah, Iran
Tayeb Namdaran - APM Group International Inc, Kermanshah, Iran
Mohammad Rasul Eyvazi - Department of Electronics, Faculty of Engineering, Islamic Azad University,Kermanshah, Iran
Pourya Roostami Gooran - APM Group International Inc, Kermanshah, Iran

This article is Gm-c filter design parameters. The circuit is designed to improve the dynamic range of flow in the filter. The circuit is part of OTA amplifier circuit by connecting it to the network and can be activated COA Gm-c filter can be developed. ADS2009 circuit design is done in software. GM-c filter Butterworth ladder filter as filter equivalent document is created.

OTA – COA – Filter Gm-c - Butterworth ladder filter – Current Mirror