This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Power Amplifiers”. 1. Output current in general purpose op-amp can be increased using a) Power comparator b) Power amplifier c) Power resistor d) Power booster 2. Which type of power transistor is chosen for a discrete power booster? a) Collector follower … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Monolithic Phase-Locked Loop”. 1. What is the conversion ratio of the phase detector in 565 PLL? a) 0.14 b) 0.35 c) 0.4458 d) 0.7 2. Given fo = 1.2kHz and V = 13v, find the lock-in range of monolithic Phase-Locked Loop. … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Switching Regulator”. 1. What is done in switching regulators to minimize its power dissipation during switching? a) Uses external transistor b) Uses 1mH choke c) Uses external transistor and 1mH choke d) None of the mentioned 2. Fixed voltage regulators and … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “IC Voltage Regulator”. 1. Which is not considered as a linear voltage regulator? a) Fixed output voltage regulator b) Adjustable output voltage regulator c) Switching regulator d) Special regulator 2. What is the dropout voltage in a three terminal IC regulator? … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “PLL Applications”. 1. How to obtain a desired amount of multiplication in frequency multiplier? a) By decreasing the multiplication factor b) By increasing the input frequency c) By selecting proper divide by N-network d) None of the mentioned 2. Calculate the … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Voltage Controlled Oscillator”. 1. Which device is used for diagnostic purposes and for recording? a) Low pass filter b) Monolithic PLL c) Voltage Controlled Oscillator d) None of the mentioned 2. If the output of the Schmitt trigger is given below. … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on ” Phase Detector / Comparator “. 1. Analog phase detector is often referred as a) Full wave detector b) Half wave detector c) Rectifier wave detector d) None of the mentioned 2. What happens when VCO output is 90o out of … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “Basic Principles of Phase-Locked Loops “. 1. Free running multivibrator is also called as a) Stable multivibrator b) Voltage control oscillator c) Square wave oscillator d) Pulse stretcher 2. The output voltage of phase detector is a) Phase voltage b) Free … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “555 Timer as an Astable Multivibrator”. 1. Free running frequency of Astable multivibrator? a) f=1.45/(RA+2RB)C b) f=1.45(RA+2RB)C c) f=1.45C/(RA+2RB) d) f=1.45 RA/( RA+RB) 2. Find the charging and discharging time of 0.5µF capacitor. a) Charging time=2ms; Discharging time=5ms b) Charging time=5ms; … Read more
This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “555 timer as a Monostable Multivibrator”. 1. Determine the time period of a monostable 555 multivibrator. a) T = 0.33RC b) T = 1.1RC c) T = 3RC d) T = RC 2. Find monostable vibrator circuit using 555 timer. a) … Read more
