A servo expects a signal period of 20ms, 1ms pulse width for 0 degree position, and 2ms for the 180 degree position. Draw the PWM signal to set and holds its position at 180 degree,

Electronic

3. Draw the DC load line for the circuit diagram sown in Figure. What will be the Q point if the zero signal base current is 25µA and β = 50.

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B. A step up chopper has a supply voltage of 250V while the output voltage is 500V. (a) Derive an equation for output voltage (b)If the period of the chopper be 100 μsec., determine the pulse width of the output voltage. (c) If the pulse width in (b) is reduced to one third for constant frequency operation, find the new output voltage.

3. You are controlling an angle type, servo motor which moves from -90 to +90 degrees. The period of the PWM signal is 20 milliseconds and the pulse width for the 0 degree position is 1.5 milliseconds. If the modulus of the period counter is 3,749, what is the pulse width count for the "O" position.

5. The following Data input and data select waveforms are applied to a De-Multiplexer. Determine the output waveform. Data in Spi

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The circuit is shown below, Vin is the sinusoidal waveform with magnitude 5V and frequency is 100 Hz, R = 1 k, C = 1 uE, the chip is supplied by + 12 V source. a) What is the waveform of Yout? b) Calculate the magnitude of Vo c) If Vin is triangle waveform, what is the output waveform? -Vout , if Vin is triangle waveform with magnitude of 5 V (peak-to-peak value is 10 V) and frequency is 10 kHz, calculate waveform of you and the magnitude of I/?

An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the reference voltage is 5.92 volts, the delay angle (in degrees) would be: