ISRO Scientist or Engineer Electronics 2016
For the following questions answer them individually
ISRO Scientist or Engineer Electronics 2016 - Question 1
The approximate O/P Frequencyof 555 Oscillator for $$R_A = R_b = 2.2 kΩ$$ and C = 2000 pF
ISRO Scientist or Engineer Electronics 2016 - Question 2
A counter is designed using J-K Flip-Flop as shown in fig. Define its count sequence
ISRO Scientist or Engineer Electronics 2016 - Question 3
A 1 MHz clock signal is applied to a J-K Flip Flop with J = K = 1. What is the frequency of the Flip-Flop O/P signal?
ISRO Scientist or Engineer Electronics 2016 - Question 4
How many inputs & outputs does a full adder have?
ISRO Scientist or Engineer Electronics 2016 - Question 5
Which shift register counter requires the most decoding circuitry?
ISRO Scientist or Engineer Electronics 2016 - Question 6
A 10-bit DAC hasa step size of 10mV. What is its Full scale O/P voltage and the percentage resolution?
ISRO Scientist or Engineer Electronics 2016 - Question 7
If the input signals (A & B) and output signals are as below then the circuit element is
ISRO Scientist or Engineer Electronics 2016 - Question 8
For a 10-bit digital ramp ADC using 500kHz clock, the maximum conversion time is
ISRO Scientist or Engineer Electronics 2016 - Question 9
In Digital Filters, how many interpolated data points are inserted between samples when performing 4X over sampling?
ISRO Scientist or Engineer Electronics 2016 - Question 10
A PAM source generates four symbols 3 V, 1 V, -1 V and —3 V with probability of p(3) = 0.2, p(1) = 0.3, p(-1) = 0.3, p(—3) = 0.2 respectively. The variance for this source will be
