Q1:

The Oscillator Circuit shown in the figure is

Q2:

In a practical oscillator circuit, which one of the following limits the amplitude of the oscillations?

Q3:

A relaxation Oscillator is one which

Q4:

Consider the following statements regarding a Common emitter amplifier. It can be converted into an Oscillator by:

1. Providing adequate positive Feedback

2. Phase shifting the output by 180^Oand Feeding this phase shifted output to the input.

3. Using only a series tuned circuit as a load on the amplifier

4. Using a negative resistance device as a load on the amplifier.

Which of the above statements are correct?

Q5:

A Hartley oscillator is used for generating

Q6:

The Oscillator Circuit shown in the figure has an ideal inverting amplifier it frequency of oscillation (in H_Z) is

Q7:

The Configuration of the figure is a

Q8:

In Astable multi-vibrator using 555 timer. $R_A=2.2k\Omega ,R_B=3.9k\Omega$ and$C=0.1\mu F$, the free running frequency of the multi-Vibrator is                                                     

Q9:

Consider the following statement.

Statement 1: Astable multivibrator can be used for generating Square Wave.

Statement 2: Bistable multivibrator can be used for storing binary information.

Q10:

A 1ms pulse can be stretched to 1s pulse by using

Q11:

A Second- order band- pass active filter can be obtained by cascading a Low pass second- order section having cut- off frequency f_OH with a high- pass second order section having cut – off frequency f_OL, provided

Q12:

The series resonant filters are as shown in the figure. Let the 3-dB bandwidth of Filter 1 to B₁ and that of Filter 2 be B₂. The value of $\frac{B_1}{B_2}$is

Q13:

The circuit shown is a

Q14:

In the low-pass filter shown in the figure, for a cut-off frequency of 5 kHz, the value of R₂ (in k$\Omega$) is…………

Q15:

The following circuit is a