Download Tutorial 2 - Portal UniMAP

Tutorial 2 EKT 102
1. Draw the output voltage waveform included the voltage drop and determines the peak
inverse voltage for each circuit.
Fig. 1(a)
Fig. 1(b)
2. For Fig.2, determine:
(a) the peak output voltage
(b) peak inverse voltage.
1:2
+100V
RL = 2 kΩ
-100V
Fig. 2
3. For Fig.3, determine:
(a) the voltage waveform for each half of secondary winding
(b) voltage across RL
(c) PIV
2: 1
+120V
Vin
12 kΩ
-120V
Fig. 3
4. Figure 4 shows the full-wave rectifier (practical model) with the transformer have a
10Vrms secondary voltage.
(a) Sketch Vsec
(b) Sketch Vp(out)
(b) What PIV rating required for each diode?
100 V
10 kΩ
Fig. 4
5. A certain full wave rectifier has a peak output voltage of 50V with capacitor filter
input = 70µF. Calculate:
(a) peak to peak ripple and
(b) dc output voltage across 700Ω load resistance.
6. Determine the output voltage waveform for the diode limiter in figure below?
+12V
-12V
7. Sketch the output voltage waveform as shown in the circuit combining a positive
limiter with negative limiter in Figure below