Analog Circuits Practice Test 8

1. The resistance in the equivalent circuit of crystal oscillator represents __________

2. Example for a self-limiting oscillator is __________

3. Which component of Colpitts oscillator is used in feedback system?

4. The cut-off frequency of a JFET is ___________

5. Hartley oscillator make use of ________ amplifiers.

6. In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when V_GS = - 6V?

7. In a high-frequency model of a JFET, which of these capacitances is present?

A: Gate-to-source capacitance
B: Gate-to-drain capacitance
C: Drain-to-source capacitance

8. In a CS amplifier, given that r_ds=0.5MΩ and g_m=5mΩ^-1, the load is 10kΩ, source resistance is 44 kΩ. Calculate the internal amplification factor for the small signal model.

9. The Hartley oscillator is less preferred than due to Colpitts oscillator’s performance in __________

10. Equivalent circuit of crystal oscillator contains ______________