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GATE EE 2003
MCQ (Single Correct Answer)
+2
-0.6
The circuit of fig shows a $$555$$ Timer $$IC$$ connected as an Astable multivibrator. The value of the capacitor $$C$$ is $$10$$ $$nF.$$ The values of the resistors $${R_A}$$ and $${R_B}$$ for a frequency of $$10$$ $$kHz$$ and a duty cycle of $$0.75$$ for the output voltage waveform are GATE EE 2003 Analog Electronics - 555 Timer Question 3 English
A
$${R_A} = 3.62\,k\Omega ,\,\,{R_B} = 3.62\,k\Omega $$
B
$${R_A} = 3.62\,k\Omega ,\,\,{R_B} = 7.25\,k\Omega $$
C
$${R_A} = 7.25\,k\Omega ,\,\,{R_B} = 3.62\,k\Omega $$
D
$${R_A} = 7.25\,k\Omega ,\,\,{R_B} = 7.25\,k\Omega $$
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Electromagnetic Fields
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Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous
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Analog Electronics
Diode Circuits and Applications Bjt and Mosfet Biasing Small Signal Modeling Feedback Amplifiers and Oscillator Circuits Operational Amplifier Frequency Response 555 Timer
Control Systems
Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Routh Hurwitz Stability Time Response Analysis Root Locus Techniques Controller and Compensator
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Sequential Circuits Microprocessor Boolean Algebra Analog to Digital and Digital to Analog Converter Combinational Circuits Minimization Logic Families and Memories Logic Gates
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Basic of Indicating Instruments Error Analysis and Measurement Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Potentiometer and Instrument Transformers Cathode Ray Oscilloscope
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