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The inverter is based on the TL494 integrated circuit. This is a switching regulator that will operate with an input voltage of between 7 and 40 volts DC. This input voltage is supplied to the IC through a reed relay. The reed in normally open. When filament current from a valve radio passes through a [...]

This is circuit PWM Control Speed Motor 12V with IC TL494
I See from Idea Circuit by joe (aircraftdesigner) Good Elecronics user. Thank you very much.
detail
- For Control speed motor 12V max 15A.
- R6 Control speed motor.
- Driver Motor by Mosfet IRFZ48.
- Control at Frequency 100HZ
- Adjust PWM duty cycle From 0 to 100%
- rise and [...]