Published:2013/3/25 4:29:00 Author:Ecco | Keyword: Electronic Horn | From:SeekIC
This is an easy, low cost and easy built circuit of an electronic horn which is designed close to quadruple op-amp IC LM3900 (IC1). IC LM3900 has four independent operational-amplifiers (A1 through A4) having a large output voltage swing. It is able to operate at up to 32V DC.
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