A Costas PLL operates with a small phase error so that sin and

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A Costas PLL operates with a small phase error so that sin ψ ≈ ψ ≈ and cos ψ ≈ 1 Assuming that the low pass filter preceding the VCO is modeled as a/(s + α), where α is an arbitrary constant, determine the response to m(t) = u(t - t₀).

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Principles of Communications Systems, Modulation and Noise

ISBN: 978-8126556793

7th edition

Authors: Rodger E. Ziemer, William H. Tranter

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Question Posted: Sep 15, 2018 10:34 AM

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A Costas PLL operates with a small phase error so that sin and

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Since the phase error is assumed small so that cos t 1 the input from the top branch see Figure 426 ...View the full answer

Principles of Communications Systems, Modulation and Noise

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