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T O P I C    R E V I E W
Piyush Posted - Sep 07 2010 : 01:41:34 AM
Sir actually i want to ask that can i use lm741 instead of lm308 in infrared remote project
http://aaroncake.net/circuits/irremote.asp
2   L A T E S T    R E P L I E S    (Newest First)
aravindj36 Posted - Dec 31 2010 : 02:51:23 AM
Try using a CA3140 op-amp it should work but read the datasheet carefully before you try
audioguru Posted - Sep 07 2010 : 08:48:21 AM
I am not knighted by the Queen of England to be a SIR, I am just an ordinary guy.

I did not calculate the frequency of the project. An LM308 opamp is obsolete and has been discontinued for many years. A 741 opamp is also osbolete but is still made. The 741 opamp has trouble with frequencies above only 9kHz but most other newer opamps easily go to 100kHz.

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