The necessary condition for oscillation in a Colpitts oscillator is:

Related MCQs

• Colpitts oscillator in the feedback section has an inductance of 4 mH and capacitors of 12 nH and 4 nH. Then the resonant frequency of Colpitts oscillator is:
• In a microwave oscillator, a load of 50+50j is connected across a negative resistance device of impedance -50-50j. Steady state oscillation is not achieved in the oscillator.
• To achieve stable oscillation, Zin + ZL=0 is the only necessary and sufficient condition to be satisfied by the microwave oscillator.
• Colpitts oscillator operating at 50 MHz has an inductor in the feedback section of value 0.10µH. then the values of the capacitors in the feedback section is:
• For Colpitts oscillator, the capacitors C1 and C2 in the feedback network are 1 µF and 25 µF respectively. Then the β value of the transistor is:
• In an oscillator, the resonant feedback circuit must have must have a low Q in order to achieve stable oscillation.
• For achieving steady state oscillation, the condition to be satisfied in terms of reflection coefficients is:
• One condition to be satisfied in an oscillator circuit so that stable oscillations are produced is:
• The frequency of oscillation in Gunn diode is given by:
• In Gunn diode oscillator, the Gunn diode is inserted into a waveguide cavity formed by a short circuit termination at one end