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Microwave noise measuring apparatus
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Noise compensated synchronous detector system
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(en)
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Apparatus and method for tuning a filter
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(en)
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Automatic frequency control circuits
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(enExample)
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(en)
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Circuit means for adjusting frequency keyed telegraph receivers
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Crosby
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Communication by phase modulation |
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Frequency control system
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Fremgangsmaate til automatisk trimming av telekommunikasjonsmottagerapparater.
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Frequency stabilization by molecularly resonant gases
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Frequency discriminator for carrier shift signaling systems and the like
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Automatic frequency control
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Spurious-free phase-locked continuously tuned transceiver system
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(en)
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Method for receiving periodic impulses
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(en)
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YIG Filter Tuning System and Method
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(en)
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High-bandwidth phase lock loop circuit with sideband rejection
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(en)
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Narrow bandwidth high q communication system
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GB1011513A
(en)
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Improvements in or relating to amplitude modulation measuring apparatus
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(en)
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Automatic frequency control for fsk telegraph receiver
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(en)
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Linear distortion measuring
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RU2113763C1
(ru)
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Следящий приемник широкополосного сигнала
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(en)
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Phase-selective amplifier
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(en)
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Selective voltage output measurement
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(en)
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Radio direction finder
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(en)
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Tuning indicator circuit
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