Given a variable capacitor that can be adjusted over the range of 40pf to 365pf we want to tune the AM band over the range of 540kHz to 1.6MHZ. We will need to find the value of an inductor L that, when placed in parallel with this variable capacitor, will allow us to tune the entire AM radio band. Assume the inductor is ideal (has zero internal resistance). A. When the variable capacitor is set to 365pf find the value of L that will tune a center 1 frequency of 540 kHz. Remember fo= 2.n V LC B. What is that maximum center frequency that can be turned when the variable capacitor is set to its minimum value of 40pf? C. What will the value of Q be for this tuner with a simple 2000 ohm resistance in parallel? Assume a tuned center frequency of 1MHZ. What will be the value Q be if the parallel resistance were reduced to 8 ohms (this is a common impedance value for speakers)? R Remember Q, =

Given a variable capacitor that can be adjusted over the range of 40pf to 365pf we want to tune the AM band over the range of 540kHz to 1.6MHZ. We will need to find the value of an inductor L that, when placed in parallel with this variable capacitor, will allow us to tune the entire AM radio band. Assume the inductor is ideal (has zero internal resistance). A. When the variable capacitor is set to 365pf find the value of L that will tune a center 1 frequency of 540 kHz. Remember fo= 2.n V LC B. What is that maximum center frequency that can be turned when the variable capacitor is set to its minimum value of 40pf? C. What will the value of Q be for this tuner with a simple 2000 ohm resistance in parallel? Assume a tuned center frequency of 1MHZ. What will be the value Q be if the parallel resistance were reduced to 8 ohms (this is a common impedance value for speakers)? R Remember Q, =

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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