current control

Lm224n

syazzy17 said:

thanks for the help terry. sorry for the late reply. appreciate it.

another thing....the IC you recommended is out of stock in my country. could I use an alternative such as the TEXAS INSTRUMENTS LM224N

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Looking at the data sheet,I see no reason why the LM224N shouldn't work ok. the internal circuit appears the same,so it's worth a try,these ICs are pretty cheap,I get my 324s from Maplins & ebay,for less than £1 each.
Just had a look on ebay,you can get 25 LM324N for $9.65cents, post free.
or 5 for $1.60 plus $1.90 p&p.