Music control lantern circuit
Source: InternetPublisher:睡不醒的小壮 Keywords: Music control lantern circuit trigger thyristor Updated: 2021/05/10
Unidirectional thyristors have the advantages of good control performance, fast response, small size, and high efficiency. They are often used in rectifiers, contactless switches, and frequency conversion circuits.
Unidirectional thyristors are used in music-controlled lantern circuits , as shown in Figure 19-7. The signal voltage at both ends of the speaker triggers the thyristor through the transformer
. When the music is strong or weak, the trigger current will be large or small, thereby controlling the lights to flash on and off.
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