Replacement for transformer amplifier in MCU-driven piezo speaker circuit (ZTX614)

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#1 21681841 15 Feb 2019 12:47

Roger brown Roger brown

Anonymous

Post #1
21681841 15 Feb 2019 12:47

hello everyone I need help

I damaged accidentally a very loud piezo and I need to rebuild it

The piezo was driven from mcu pin connected to a npn ztx614 transistor and a kind of a transformer (I’ve attached pics of it) witch I broke

Can you help me find this part or something similar so i can take again this loudness I had?

It’s use was like amplifier I think

Thank you !
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#2 21681842 16 Feb 2019 03:46

David Ashton David Ashton

Anonymous

Post #2
21681842 16 Feb 2019 03:46

Roger your pics did not appear, suggest you do a completely new post and try again to attach them, this is easier I think than trying to put them in a comment. You can try in a comment - use the "Upload Image" Icon at the extreme right of the taskbar above.Look forward to seeing the pics so we can assist. Piezos are very handy for making lots of noise but they are fairly fragile things....
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Replacement for transformer amplifier in MCU-driven piezo speaker circuit (ZTX614)

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