Analogue Circuits

Welcome to your Analogue Circuits  MCQ practice assessment.

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

If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately………..

In a certain oscillator Av = 50. The attention of the feedback circuit must be …………

When filters are cascaded, the roll-off rate

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

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

A circuit that rejects or stops frequencies over a narrow range but allows frequencies above and below to pass is the

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

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

The gain of an amplifier with feedback is known as ………….. gain

Colpitts, Clapp, and Hartley are names refer to

An oscillator differs from an amplifier because

The number of poles in a filter affect the

A feedback circuit usually employs ……………… network

In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is …………

The value of negative feedback fraction is always …………….

The signal attenuation in the passband of a filter is called

Sallen-Key filters are

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

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