1
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
Value of R in the oscillator shown in the given figure. So chosen that it just oscillates at an angular frequencies of' "$$\omega $$". The value of "$$\omega $$" and the required value of R will respectively be GATE ECE 1996 Analog Circuits - Oscillators Question 6 English
A
$${10^5}$$ rad/ sec, 2 $$ \times $$$${10^4}$$ $$\Omega $$
B
$$2 \times {10^4}$$ rad/ sec, $$2 \times {10^4}$$ $$\Omega $$
C
$$2 \times {10^4}$$ rad/ sec , $${10^5}\,\Omega $$
D
$${10^{5\,\,}}rad/\sec ,{10^5}\,\Omega $$
2
GATE ECE 1996
Subjective
+5
-0
A JEFT with VP = -4V and IDss = 12mA is used in the circuit shown in Fig. Assuming the device to be operating in saturation, determine ID, VDS and VGS GATE ECE 1996 Analog Circuits - FET and MOSFET Question 18 English
3
GATE ECE 1996
Subjective
+2
-0
Match the following.

Group - I

(a)Cascode amplifier
(b)Differential Amplifier
(c)Darlington pair common-collector Amplifier

Group - II

(1)does not provide current gain
(2)is a wide band Amplifier
(3)has very low input impedance Emitter Amplifier and very high current gain
(4)has very high input impedance and very high current gain
(5)Provides high common mode voltage Rejection
4
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
The number of bits in a binary PCM system is increased from n to n+1. As a result, the signal to quantization noise ratio will improve by a factor
A
$$\left( {n + 1} \right)/n$$
B
$${2^{\left( {n + 1} \right)/n}}$$
C
$${2^{2\left( {n + 1} \right)/n}}$$
D
which is independent of n