Common emitter
Common base
Common collector
SCR
Shaft revolving in a bearing
Straight line motion mechanisms
Automobile steering gear
All of the above
Main function of the detector is to suppress the image signal
Noise is very low in crystal detector
Super -regenerative is less sensitive
Diode detector is more sensitive
Cornwallis
Wellesley
Warren Hastings
Sir John Shore
Oscillator converts d.c. into a.c.
Oscillator is that amplifier which provides its own input
All types of oscillator produce sine wave
In phase, feedback used in oscillator is also called positive feedback.