Related InterviewSolutions

• What we use for impedance matching in RF amplifiers?(a) RC coupling(b) Transformer coupling(c) Direct coupling(d) RF couplingI got this question during an interview for a job.Query is from Instantaneous Frequency and Frequency Modulation in section Angle Modulation of Analog Communications
• In a receiver, distortion can occur in ________(a) Mixer(b) Detector(c) IF amplifiers(d) Either mixer or detector or IF amplifiersI got this question during an online interview.I'm obligated to ask this question of Instantaneous Frequency and Frequency Modulation topic in portion Angle Modulation of Analog Communications
• Neutralization cancels unwanted feedback by bypassing the feedback to the neutral or ground plane.(a) True(b) FalseThis question was posed to me in an international level competition.I want to ask this question from Instantaneous Frequency and Frequency Modulation topic in chapter Angle Modulation of Analog Communications
• How we limit the response of a receiver to a weak signal?(a) by the AGC(b) by the noise that is generated in the receiver(c) by the dynamic range of the receiver(d) by the type of detector circuit being usedThis question was posed to me during an interview.Query is from Instantaneous Frequency and Frequency Modulation in division Angle Modulation of Analog Communications
• When aliasing will take place?(a) Sampling signals less than Nyquist Rate(b) Sampling signals more than Nyquist Rate(c) Sampling signals equal to Nyquist Rate(d) Sampling signals at a rate which is twice of Nyquist RateI had been asked this question in an interview for internship.This interesting question is from Instantaneous Frequency and Frequency Modulation in portion Angle Modulation of Analog Communications
• A resonant circuit is a simple form of bandpass filter.(a) True(b) FalseThis question was addressed to me in an online interview.This key question is from Instantaneous Frequency and Frequency Modulation in portion Angle Modulation of Analog Communications
• Which statement is true for low level amplitude modulation?(a) all RF amplifiers are of class A(b) all RF amplifiers can be linear(c) minimum RF power is required(d) maximum RF power is requiredThis question was posed to me in quiz.This intriguing question comes from Instantaneous Frequency and Frequency Modulation topic in division Angle Modulation of Analog Communications
• Which statement is true for high level amplitude modulation?(a) all RF amplifiers are of class A(b) all RF amplifiers can be nonlinear(c) minimum RF power is required(d) maximum RF power is requiredI had been asked this question in unit test.My query is from Instantaneous Frequency and Frequency Modulation in chapter Angle Modulation of Analog Communications
• Which two networks can be used for impedance matching?(a) pi network and T network(b) pi network and bridge network(c) bridge network and T network(d) pi network and omega networkI have been asked this question in class test.My enquiry is from Instantaneous Frequency and Frequency Modulation topic in division Angle Modulation of Analog Communications
• Which statement is true about frequency multipliers?(a) they are essentially balanced modulators(b) they are essentially class C amplifiers(c) they are essentially class AB amplifiers(d) they are essentially mixersI have been asked this question in a job interview.I'm obligated to ask this question of Instantaneous Frequency and Frequency Modulation in section Angle Modulation of Analog Communications