Frequency synthesiser stage comprising two phase lock loops in which the second multiplies the frequency of the first by a factor close to unity
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Doubly balanced diode mixer comprising a ring modulator each leg of which comprises a high speed conventional diode in series with at least one diode of the "varactor" kind
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Frequency synthesiser with fast switchover
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FREQUENCY SYNTHESIS STAGE OF FREQUENCY ADDING LARGE FREQUENCY STEPS TO AN INITIAL FREQUENCY.
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A microwave transmission line element comprising one or more incorporated swithching members for inserting one or more quadripoles
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A low noise crystal oscillator
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Frequency synthesizer
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Spectrum analyzer
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FREQUENCY SYNTHETIZER
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Phase locked loop frequency synthesizer and frequency modulator
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FM oscillator circuit - includes phase comparator feedback loop and compensation circuit for filtering effect
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Quaternary frequency synthesizer
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Frequency synthesis control for a frequency-modulated telegraphic transmitter
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Electrical circuits for generating two or more frequencies
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Wide band VHF and UHF frequency synthesiser - has HF aquisition rate using several oscillators connected in parallel
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CONTROL CIRCUIT, IN PARTICULAR FOR TELEGRAPHIC TRANSMITTER
