Repeat Problem 9.18 if PMOS transistors replace Q₁and Q₂(with no degeneration resistors). Assume that the PMOS transistors are biased to 300 µA each (I_EE= 600 µA), at which bias value the MOS transistors have gm = 300 µA/V.

Data from Prob. 9.18:

The slew rate of the circuit of Fig. 9.59 is to be increased by using 10 kΩ resistors in the emitters Q₁ and Q₂. If the same unity-gain frequency is to be achieved, calculate the new value of compensation capacitor required and the improvement in slew rate. Check your result with SPICE simulations.

Fig. 9.59:

Transcribed Image Text:

+15 V 1ΕE () 20 μΑ 300 μΑ Οι Q2 10 pF V; Q5 Q4 50 kΩ Q3 -15 V