Tomasi Double Conversion Fm Receiver Ic Chip

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FIGURE 8-1 Double-conversion FM receiver block diagram Tomasi Electronic Communications Systems, 5e Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

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Transcript of Tomasi Double Conversion Fm Receiver Ic Chip

Page 1: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-1 Double-conversion FM receiver block diagram

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 2: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-2 Slope detector: (a) schematic diagram; (b) voltage-versus-frequency curve

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 3: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-3 Balanced slope detector: (a) schematic diagram; (b) voltage-versus-frequency response curve

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 4: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-4 Foster-Seely discriminator: (a) schematic diagram; (b) vector diagram, fin = fo; (c) vector diagram, fin > fo; (d) vector diagram, fin < fo

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 5: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-5 Discriminator voltage-versus-frequency response curve

TomasiElectronic Communications Systems, 5e

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Page 6: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-6 Ratio detector: (a) schematic diagram; (b) voltage-versus-frequency response curve

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 7: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-7 (a) Block diagram for a PLL FM demodulator; (b) PLL FM demodulator using the XR-2212 PLL

TomasiElectronic Communications Systems, 5e

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Page 8: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-8 Quadrature FM demodulator

TomasiElectronic Communications Systems, 5e

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Page 9: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-9 Amplitude limiter input and output waveforms: (a) input waveform; (b) output waveform

TomasiElectronic Communications Systems, 5e

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Page 10: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-10 Limiter output: (a) captured by noise; (b) captured by signal

TomasiElectronic Communications Systems, 5e

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Page 11: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-11 FM thresholding

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Page 12: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-12 Single-stage tuned limiter: (a) schematic diagram; (b) limiter action

TomasiElectronic Communications Systems, 5e

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Page 13: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-13 Filtered limiter output

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Page 14: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-14 Three-stage cascaded limiter

TomasiElectronic Communications Systems, 5e

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Page 15: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-15 Limiter response curves

TomasiElectronic Communications Systems, 5e

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Page 16: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-16 Block diagram for the Signetics NE/SA614A integrated-circuit, low-power FM IF system

TomasiElectronic Communications Systems, 5e

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Page 17: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-17 Equivalent circuit for the Signetics NE/SA614A integrated-circuit, low-power FM IF system

TomasiElectronic Communications Systems, 5e

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Page 18: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-18 Quadrature detector block diagram

TomasiElectronic Communications Systems, 5e

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Page 19: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-19 Block diagram for the Signetics NE/SA616 monolithic FM IF system

TomasiElectronic Communications Systems, 5e

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Page 20: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-20 Block diagram for the Signetics TDA7000 integrated-circuit FM radio

TomasiElectronic Communications Systems, 5e

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Page 21: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-21 FM baseband spectrum: (a) prior to 1955; (b) prior to 1961; (c) since 1961

TomasiElectronic Communications Systems, 5e

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Page 22: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-22 Stereo FM transmitter using frequency-division multiplexing

TomasiElectronic Communications Systems, 5e

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Page 23: Tomasi Double Conversion Fm Receiver Ic Chip

TABLE 8-1 Composite FM Voltages

TomasiElectronic Communications Systems, 5e

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Page 24: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-23 Development of the composite stereo signal for equal-amplitude L and R signals: (a) L audio signal; (b) R audio signal; (c) L + R stereo channel; (d) L - R stereo channel; (e) SCA + 19-kHz pilot; (f) composite baseband waveform

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 25: Tomasi Double Conversion Fm Receiver Ic Chip

TomasiElectronic Communications Systems, 5e

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FIGURE 8-24 Development of the composite stereo signal for unequal-amplitude L and R signals: (a) L audio signal; (b) R audio signal; (c) L + R stereo channel; (d) L - R stereo channel; (e) SCA + 19-kHz pilot; (f) composite baseband waveform

Page 26: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-25 FM stereo and mono receiver

TomasiElectronic Communications Systems, 5e

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Page 27: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-26 Stereo matrix network decoder

TomasiElectronic Communications Systems, 5e

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Page 28: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-27 XR-1310 stereo demodulator

TomasiElectronic Communications Systems, 5e

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Page 29: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-27 (Continued) XR-1310 stereo demodulator

TomasiElectronic Communications Systems, 5e

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Page 30: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-28 Two-way FM transmitter block diagram

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 31: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-29 Electronic PTT schematic diagram

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Page 32: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-30 VOX schematic diagram

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Page 33: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-31 Two-way FM receiver block diagram

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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Page 34: Tomasi Double Conversion Fm Receiver Ic Chip

FIGURE 8-32 Squelch circuit

TomasiElectronic Communications Systems, 5e

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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