1. Half-wave battery charger. Consider the battery charging circuit in Figure. with Vm= 20V, R= 10Qand VB= 14V. Find the peak current assuming an ideal diode. Current limiting resistor R + Vsin(@x) i(t) VB
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- What is the difference between a diode and rectifier?0:- Consider the circuit in Figure a) What type of circuit is this? b) Find and Sketch the voltage waveform across RL, assume the diodes are practical. c) If 100uf capacitor parallel with the resistor, calculate the ripple is connected factor I O o Dpoints) For the circuit shown below, sketch to scale the output V, waveform and draw the transfer characteristic (V. versus Vi), Assume the diodes are ideal. V₁ =15-sin wt Zloks www loks # HIF 4V + Vo
- Draw the input waveform and output waveform for the circuit given below with proper values marked in the figure. Assume D1 as germanium and D2 as silicon diodes. Input Vpp%3D20V, V1=3 V and V2=10 V. R D2 D1 Vin Vout V1 V2 Maximum voltage of output waveform Minimum voltage of output waveform PsIn the circuit shown in the figure; A) When RL = 5Kohm and capacitor C is switched on, draw VA and V0 in scale according to input voltage Vs. NOTE = diodes are idealCalculate the current flowing through the given circuit and the voltage value at the V0 ends. (Threshold voltage = 0.3V for Germanium diodes, Threshold voltage for silicon diodes = 0.6V)
- Draw the input waveform and output waveform for the circuit given below with proper values marked in the figure. Assume D1 as silicon and D2 as germanium diodes. Input Vpp=20V. V1=5 V and V2=9 V. R www D1 Vin Vout v1 V2 Maximum voltage of output waveform Minimum voltage of output waveformA sinusoidal voltage of peak value 50 V is applied to a diode as shown in the figure. Sketch the waveform of voltage Vo treating the diode as an ideal one.Design a clipping circuit that will limit the output voltage to 5V when applying an input sinusoidal waveform with a peak value of 10V. Assume available diodes with voltage drop of 0.5V. Sketch the output waveform of the circuit.
- Consider the circuit shown in Figure 2. The cut-in voltage of each diode is . Let and assume both diodes are conducting. Determine if this is a valid assumption and explain your answer. And calculate the values of IR, ID, Ip2, and V.. Rj =1.7 kQ ww VB =1 V D1 Dz R2D 4 kQ Figure 2consider the figure below that shows an approximated reverse recovery turn-off characteristics for a power diode. Show that the following relation can express the total reverse recovery charge, Qrr = 1/2(trr*ts1) di1/dt =1/2(trr*ts21) di2/dt * ip Isl 1s2! -IrIn the circuit shown in the figure; B) When RL = 1Kohm and capacitor C is deactivated, draw VA and V0 in scale according to input voltage Vs. NOTE = diodes are ideal