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20.05.21

TDA7056B - mishina coil

 

 Man draugs uzdāvināja 9 mikrosēmas TDA7056 B,  ar kurām varu eksperimentēt.
Shēma:


Shēma kas man strādā: barošana USB 5V 150mA, R1= halogen lamp 12v 8W, C1= 149pF (work ... 100nF)


Shēma kas redzama šai video: barošana USB 5V 1A (es apdedzinājos vēlāk), R1= 1 oms, C1 = 100 pF.
Ģenerācija notika, bet uz pārāk augstas frekfencess, un visa jauda pazuda čipā.

Twisted pair coil = mishina coil = treatment coil
plkst.