4.4 In each of the ideal-diode circuits shown in Fig. P4.4. v, is a 1-kHz, 5-V peak sine wave. Sketch the waveform resulting at v. What are its positive and negative peak values? 20 Figure P4.4 D₁ ▷ (a) www.11 I kn 20 20 D₁ D₂ KK (b) www I kn 01/20 D₁ D₂ KD (c) www11 ΙΚΩ Vo

Fig: 1