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Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and deviation
Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and deviation of ?f=20 KHz. A narrowband FM generator with Fc=200 KHz and adjustable deviation ?f in range of 9 to 10 Hz is available. The stockroom also has an oscillator with adjustable frequency in the range of 9 to 10 MHz. There are bandpass filters with any center frequency, and only frequency doublers are available.
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Principles of Communications Systems, Modulation and Noise
Authors: Rodger E. Ziemer, William H. Tranter
7th edition
978-1-118-0789, 1118078918, 978-8126556793
