TDA8351 8356 application circuit


Posted on Mar 28, 2007

As shown in the figure shows the actual application circuit TDA8351/8356, when the 50V VFB 60V, VFB in series with the input of a 33 resistor. Signals are input 1,2 feet, these


TDA8351 8356 application circuit
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are two sawtooth voltage signal opposite in phase, positive sawtooth voltage input pin 1, pin 2 negative sawtooth voltage input. 1,2 feet between a resistor in parallel Rcon to determine the deflection current through the coil. After an internal signal of the differential amplifier and push-pull power amplifier output to the deflection by a 7,4 feet across the coil. 7 feet sawtooth voltage waveform pulse, 4 feet sawtooth voltage waveform is negative. RM resistor in series with the deflection coil, provided by the feedback voltage input pin 9, the linear sawtooth output is improved, and expand the dynamic range of the sawtooth wave.




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