When current feedback (negative) is applied to an amplifier, its input

In a Wien-bridge oscillator, if the resistance in the positive feedback circuit are decreased, the frequency

The signal generator generally used in the laboratories is ………….. oscillator

The damping factor of a filter is set by

The operation of a relaxation oscillator is based on

For an oscillator to properly start, the gain around the feedback loop must initially be

When negative voltage feedback is applied to an amplifier, its voltage gain ……………….

The Q of the crystal is of the order of …………

The number of poles in a filter affect the

Which of the following is a fixed tuned bandpass filter that is designed to provide the exact selectivity required by a given application?

An oscillator employs ……………… feedback

Which of the following is not an advantage of an active filter?

When the low-pass and a high-pass filter are cascaded to get a band-pass filter, the critical frequency of the low-pass filter must be

A state-variable filter consist of

The voltage gain of a tuned amplifier is ……………. at resonant frequency

Which of the following, also known as a Thomson filter provides the desired frequency response, but has a constant time delay in the passband?

For an oscillator to properly start, the gain around the feedback loop must initially be

An LC oscillator cannot be used to produce ……………….. frequencies

The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become …………..

An oscillator converts ……………..