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In this homework, you are supposed to design a WBFM generator using Armstrong method. The required WBFM should be able to transmit an audio signal of bandwidth 50Hz to 4kHz. Design an Armstrong indirect FM modulator to generate an FM signal with carrier 100 MHz and Af = 200 kHz. A narrowband FM generator with fe = 100 kHz and Af = 10 Hz is available. Only frequency tripplers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 22 to 26 MHz is also available for mixing, along with bandpass filters of any specification. Show your work to get full credit (labelled block diagram, complete calculations for local oscillator frequency etc.).

In this homework, you are supposed to design a WBFM generator using Armstrong method. The required WBFM should be able to transmit an audio signal of bandwidth 50Hz to 4kHz. Design an Armstrong indirect FM modulator to generate an FM signal with carrier 100 MHz and Af = 200 kHz. A narrowband FM generator with fe = 100 kHz and Af = 10 Hz is available. Only frequency tripplers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 22 to 26 MHz is also available for mixing, along with bandpass filters of any specification. Show your work to get full credit (labelled block diagram, complete calculations for local oscillator frequency etc.).

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question 1 In this homework, you are supposed to design a WBFM generator using Armstrong method. The required WBFM should be able to transmit an audio signal of bandwidth 50HZ to 4kHz. Design an Armstrong indirect FM modulator to generate an FM signal with carrier 100 MHz and Af 200 kHz. A narrowband FM generator with fe = 100 kHz and 4f = 10 Hz is available. Only frequency tripplers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 22 to 26 MHz is also available for mixing, along with bandpass filters of any specification. Show your work to get full credit (labelled block diagram, complete calculations for local oscillator frequency etc.).
Transcribed Image Text:Question 1 In this homework, you are supposed to design a WBFM generator using Armstrong method. The required WBFM should be able to transmit an audio signal of bandwidth 50HZ to 4kHz. Design an Armstrong indirect FM modulator to generate an FM signal with carrier 100 MHz and Af 200 kHz. A narrowband FM generator with fe = 100 kHz and 4f = 10 Hz is available. Only frequency tripplers are available as frequency multipliers. In addition, an oscillator with adjustable frequency from 22 to 26 MHz is also available for mixing, along with bandpass filters of any specification. Show your work to get full credit (labelled block diagram, complete calculations for local oscillator frequency etc.).
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