Sketch Figure 3.20 for the case where f LO = f c - f IF . Desired

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Sketch Figure 3.20 for the case where f_LO= f_c- f_IF.

Desired signal Local oscillator fi+ f2=f LO Signal at mixer ini output 2=fF 2f +f2 Image signal fi + 2f2 = fe+ f IF Imag

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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 14, 2018 11:56 AM

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Sketch Figure 3.20 for the case where f LO = f c - f IF . Desired

Question:

Desired signal Local oscillator fi+ f2=f LO Signal at mixer ini output 2=fF 2f +f2 Image signal fi + 2f2 = fe+ f IF Image signal at mixer output Д! f2 = f F 2f1 + 3f 2 Passband of IF filter

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Principles of Communications Systems, Modulation and Noise

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