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Electronic Horn

Electronic Horn

234-+A112111410-+A28139-+A41675-+A3+A1C20.33μR1150KR41.5MR32.2MD11N4148R51MR6510KA2R230KC14.7μ16VT12N3707ORBC548R730KR9510KC3100nR111MR8330KR101MR121MR1347KT22N3707ORSL100C510nR144.7KC422nX1LS10.5W+9VGNDIC1 (A1-A2) = LM3900 QUAD AMPLIFIERX1 = AUDIO OUTPUT TRANSFORMERLS1 = 4Ω, 0.5W LOUD SPEAKERElectronic Horn
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publish time: 2020-10-26
Circuit Everyday

This is a simple circuit for an electronic horn built around a four-way operational amplifier called IC LM3900 (IC1).The LM3900 IC has four independent operational amplifiers (A1 to A4) with a large output voltage swing.It can operate at a dc voltage of up to 32V.

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