250_mW_babysitter_intercom_using_an_LM3909_chip

Published:2009/7/20 5:10:00 Author:Jessie | From:SeekIC

250 mW babysitter intercom using an LM3909 chip. Circuitry inside dashed lines is the LM3909. Operating current is 12to 15mA (courtesy National Semiconductor Corporation).



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Amplifier_Circuit/250_mW_babysitter_intercom_using_an_LM3909_chip.html

Print this Page | Comments | Reading(3)