Question 4 (2points): A common-base Colpitt oscillator shown in Figure 4 operates at 1GHz. Assume the BJT is ideal, RE >
Posted: Tue Jul 05, 2022 10:34 am
- Question 4 2points A Common Base Colpitt Oscillator Shown In Figure 4 Operates At 1ghz Assume The Bjt Is Ideal Re 1 (100.53 KiB) Viewed 11 times
Question 4 (2points): A common-base Colpitt oscillator shown in Figure 4 operates at 1GHz. Assume the BJT is ideal, RE >>ZC2, CB āā, L = 125 nH, RL = 2.4KOhm and Cā =1.5C2. Vcc=6V, B-100. Find: a. The oscillation equation of this oscillator. Find the required capacitance C1 and C2 b. The required transconductance (gm) of transistor so that the circuit can oscillate. Find Re and RB of the oscillator. C. d. -- END --- RB CB Figure 3 VCC www RE Cā Figure 4 RL