Figure (1) shows the block diagram of a wideband frequeney modulator using the indirect method, This modulator is used to transmit audio signals containing frequencies in the range of 100 Hz to 15 KHz. The narrowband is supplied with a carrier of frequency fl=0.1 MHz by erystal- controlled oscillator also B-0.2, a second crystal- controlled oscillator supplied a sinusoidal wave of frequency 9.5 MHz to the mixer. The system Carier frequency at the transmitter output, fe=100MHZ Minimum frequency deviation, Af=75, find ni and n2? ft) Freq. Multiplier 1 Freq Multiplier 2 NBFM Mixer + fralt) Oscillator1 Fig (1) Oscillator2 n1=76, n2%351 O n1=72, n2=47 O n1=73, n2=48 O n1=74, n2=49 n1=75, n2350 O n1=77, n2=52 O

Figure (1) shows the block diagram of a wideband frequeney modulator using the indirect method, This modulator is used to transmit audio signals containing frequencies in the range of 100 Hz to 15 KHz. The narrowband is supplied with a carrier of frequency fl=0.1 MHz by erystal- controlled oscillator also B-0.2, a second crystal- controlled oscillator supplied a sinusoidal wave of frequency 9.5 MHz to the mixer. The system Carier frequency at the transmitter output, fe=100MHZ Minimum frequency deviation, Af=75, find ni and n2? ft) Freq. Multiplier 1 Freq Multiplier 2 NBFM Mixer + fralt) Oscillator1 Fig (1) Oscillator2 n1=76, n2%351 O n1=72, n2=47 O n1=73, n2=48 O n1=74, n2=49 n1=75, n2350 O n1=77, n2=52 O

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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