FM Multiplexing for Stereo |
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Page 5
... Operation of the Matrix Circuit - Operation of Time - Divi- sion Circuit - Decoder - Circuit Stages - Oscillators and Doublers for Carrier Reinsertion - Filters - Demodulator Circuits - SCA Interference 48 CHAPTER 4 CIRCUIT REFINEMENTS ...
... Operation of the Matrix Circuit - Operation of Time - Divi- sion Circuit - Decoder - Circuit Stages - Oscillators and Doublers for Carrier Reinsertion - Filters - Demodulator Circuits - SCA Interference 48 CHAPTER 4 CIRCUIT REFINEMENTS ...
Page 83
... operation . Obviously , since the 19 - kHz signal is transmitted only by stations broadcasting fm stereo , the presence or absence of the 19 - kHz in the received signal can be used to guide the listener in station selection . The 19 ...
... operation . Obviously , since the 19 - kHz signal is transmitted only by stations broadcasting fm stereo , the presence or absence of the 19 - kHz in the received signal can be used to guide the listener in station selection . The 19 ...
Page 172
... operation may not be appropriate since the subcarriers utilized are above 20,000 hertz . ( d ) The total modulation of the main carrier , including SCA subcar- riers , shall meet the requirements of ยง 73.268 . ( e ) Frequency modulation ...
... operation may not be appropriate since the subcarriers utilized are above 20,000 hertz . ( d ) The total modulation of the main carrier , including SCA subcar- riers , shall meet the requirements of ยง 73.268 . ( e ) Frequency modulation ...
Contents
ANALYSIS OF THE FM STEREO SIGNAL | 7 |
CHAPTER 2 | 24 |
CHAPTER 3 | 48 |
Copyright | |
5 other sections not shown
Common terms and phrases
19-kHz amplifier 19-kHz pilot carrier 19-kHz pilot signal 19-kHz signal 38-kHz carrier 38-kHz doubler 38-kHz oscillator 38-kHz subcarrier adjustment alignment amplitude amplitude modulation antenna applied attenuation bandpass filter capacitor collector circuit connected coupled de-emphasis decoder circuit decoder section demodulating diodes demodulation demodulator circuit distortion emitter equipment fm stereo frequency modulation function hertz incoming 19-kHz input L-only left and right left channel listening local oscillator low-pass filter main channel maximum microvolts Model mono monophonic multiplex adapter multiplex circuitry multiplex decoder noise oscilloscope output percent phase shift position program material quency reception recovered resistor resonant circuit right channel SCA subcarriers scope selector switch separation control shown in Fig sine wave speaker squelch station stereo broadcasting stereo fm stereo receiver stereo separation stereo signal stereophonic subcarrier sidebands subchannel switching circuit tion transistor transmission transmitter tuned circuit tuner or receiver volt volts vtvm waveform