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A superheterodyne receiver operates in the frequency range of 58 MHz 68 MHz. The intermediate frequecy fIf and local oscillator frequency fLo are chosen such that fiF < fLO. It is required that the image frequencies fall outside the range 58 MHz - 68 MHz band. An acceptable fIF would be: O a. 3.5 MHz Ob. 6 MHz OC. 5 MHz Od. 4 MHz e. 3 MHz

A superheterodyne receiver operates in the frequency range of 58 MHz 68 MHz. The intermediate frequecy fIf and local oscillator frequency fLo are chosen such that fiF < fLO. It is required that the image frequencies fall outside the range 58 MHz - 68 MHz band. An acceptable fIF would be: O a. 3.5 MHz Ob. 6 MHz OC. 5 MHz Od. 4 MHz e. 3 MHz

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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A first-order PLL is operating with zero frequency and phase error when a step in frequency of magnitude 80HZ is applied. Determine the steady-state phase error (in degrees) if the loop gain is K = 2m(120). Answer = 55.14 120.41 48.18 24 Loop does not lock A superheterodyne receiver operates in the frequency range of 58 MHz - 68 MHz. The intermediate frequecy fIf and local oscillator frequency fLo are chosen such that fIF < fLO. It is required that the image frequencies fall outside the range 58 MHz - 68 MHz band. An acceptable fıf would be: O a. 3.5 MHz O b. 6 MHz O C. 5 MHz Od. 4 MHz O e. 3 MHz COS
Transcribed Image Text:A first-order PLL is operating with zero frequency and phase error when a step in frequency of magnitude 80HZ is applied. Determine the steady-state phase error (in degrees) if the loop gain is K = 2m(120). Answer = 55.14 120.41 48.18 24 Loop does not lock A superheterodyne receiver operates in the frequency range of 58 MHz - 68 MHz. The intermediate frequecy fIf and local oscillator frequency fLo are chosen such that fIF < fLO. It is required that the image frequencies fall outside the range 58 MHz - 68 MHz band. An acceptable fıf would be: O a. 3.5 MHz O b. 6 MHz O C. 5 MHz Od. 4 MHz O e. 3 MHz COS
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