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Chapter Seven
Analog Communication Systems
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Superhetrodyne receiver
Figure 7.1-1
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Superhet receiver waveforms
Figure 7.1-2
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Direct conversion receiver
Figure 7.1-3
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Direct conversion receiver with opposite sideband rejection
Figure 7.1-4
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Double conversion receiver
Figure 7.1-5
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Scanning spectrum analyzer (a) block diagram (b) amplitude response
Figure 7.1-6
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FDM transmitter (a) input spectra & block diagram (b) baseband FDM spectrum
Figure 7.2-1
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FDM receiver
Figure 7.2-2
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FDMA satellite system
Figure 7.2-3
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FM stereo multiplexing (a) transmitter (b) baseband spectrum
Figure 7.2-4
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FM stereo multiplex receiver
Figure 7.2-5
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Quadrature-carrier multiplexing
Figure 7.2-6
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TDM system (a) block diagram (b) waveforms
Figure 7.2-7
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TDM synchronization markers
Figure 7.2-9
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(a) TDM transmitter with baseband filtering (b) baseband waveform
Figure 7.2-10
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Cross talk in TDM
Figure 7.2-12
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TDM/PPM with guard time
Figure 7.2-13
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Phase comparitors (a) analog (b) digital
Figure 7.3-1
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Phase-lock loop
Figure 7.3-2
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PLL pilot filter with two phase discriminators
Figure 7.3-3
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Costas PLL system for synchronous detection
Figure 7.3-4
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Frequency synthesizer with fixed and adjustable outputs
Figure 7.3-7
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Linearized PLL models (a) time domain (b) phase (c) frequency domain
Figure 7.3-8
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Monochrome TV transmitter
Figure 7.4-6
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Monochrome TV receiver
Figure 7.4-7
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Color subcarrier modulation system
Figure 7.4-10
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Color demodulation system
Figure 7.4-11
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Scene capabilities of conventional NTSC system and HDTV
Figure 7.4-12
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Viewing angles as a function of distance (a) conventional NTSC (b) HDTV
Figure 7.4-13
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HDTV transmitter
Figure 7.4-14
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HDTV receiver
Figure 7.4-15
