| 21. | It is difficult to keep stray radiation from the local oscillator below the level that a nearby receiver can detect.
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| 22. | In a 1905 patent, Fessenden stated that the frequency stability of his local oscillator was one part per thousand.
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| 23. | The signals are mixed with a local oscillator to reduce their frequency, prior to correlation with an analog correlator.
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| 24. | The hexode contains two such grids, one for a received signal and one for the signal from a local oscillator.
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| 25. | An example is Yaesu's FRG-7 communications receiver, which uses the system to remove local oscillator drift.
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| 26. | First, Heterodyned signals are beat frequencies between the signal source and a reference source ( dubbed local oscillator LO ).
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| 27. | The local oscillator frequency is switched in response to a 22 kHz signal superimposed on the supply voltage from the connected receiver.
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| 28. | The returned laser energy must be mixed with a local oscillator in a heterodyne system to allow extraction of the Doppler shift.
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| 29. | He concluded that an oscillator, which became the first local oscillator ( LO ), was ordered for the frequency of.
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| 30. | Most receivers are actually superheterodyne receivers and they leak a little of their local oscillator frequency; this can be easily detected.
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