Calculate the coupling capacitor C_{C} required in Fig. 11.20 to provide a low frequency 3 dB point at 125 Hz if R_{s} = 600 Ω, h_{ie} = 1 kΩ , h_{fe} = 60, R_{1} = 5 kΩ and R_{2} = 1.25 kΩ . For (a) an ideal bypass capacitor C_{E}, (b) a practical bypass capacitor with R_{CE} = 25Ω .