1
GATE ECE 1995
Fill in the Blanks
+1
-0
An op-Amp is used as a zero-crossing detector. If maximum output available from the Op-Amp is $$ \pm 12\,\,{V_{p - p}}$$ and the slew rate of the Op-Amp is 12 $$V/\mu $$ sec then the maximum frequency of the input signal that can be applied without causing a reduction in the P-P output is _____
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
To obtain very high input and output impedances in a feedback Amplifier, the mostly used is
A
Voltage - series
B
Current - series
C
Voltage - shunt
D
Current - shunt
3
GATE ECE 1995
Fill in the Blanks
+1
-0
The circuit shown, the figure supplies power to on 8 v speaker or L.S. The vaLUES OF $${I_C}$$ and $${V_{CE}}$$ for this ciruit will be GATE ECE 1995 Analog Circuits - Power Amplifier Question 6 English
4
GATE ECE 1995
Fill in the Blanks
+1
-0
A power Amplifier delivers 50 W output at 50% efficiency. The ambient temperature is 25$$^\circ $$ C. if the maximum allowable junction temperature is 150 $$^\circ $$ C, then the maximum thermal resistance $${\theta _{Jc}}$$ that can be tolerated is
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