A diode exhibits a negative resistance forward- bias characteristics is known as Answer:
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- How is a solid-state diode tested? Explain.Draw output waveform for the following circuit. Suppose input is a pure square wave with a positive half at 10 V and negative half at -10 V for ideal diodes. D1 D2 220 R3 R1 1k R2 1kDraw vx and v0 according to the input voltages in the circuit shown in the figure. note = R1 = 10Kohm R2 = 1kohm R3 = 1Kohm, the threshold voltages of diodes will be VE = 0.7V.
- consider 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! -Ir0:- 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 DLet’s look at the Wheatstone bridge where antiparallel diodes are place between nodes A and B. Assume the diodes have the following characteristic:
- Using an ideal diode, design a clamper circuit that result in the desired output waveform as shown in Figure Q7. Show overall analysis to justify the proposed design. 7. Vo Vi Designed Clamper Circuit - 3 V -20 - 43 V - Fiqure Q7 20A zener diode exhibits a certain change in VZ for a certain change in IZ on a portion of the linear characteristic curve between IZK and IZM as illustrated in Figure 5. Calculate the zener impedance.Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V ams 5OHZ İL-DC =05A RL VL-DC =20V
- In 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 idealDraw 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=4 V and V2=10 V. R www DZ D1 Vin Vout vi V2 Maximum voltage of output waveform Minimum voltage of output waveformDC Diode Circuit. Find I1 -Assume Diode is OFF -Assume Diode is ON -Redrawing