4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Frequency modifying or conversion

John Grandfield

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Direct frequency synthesizer

Oscillators – Relaxation oscillators
Patent

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Local oscillator feed for mixer array

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent

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Voltage tunable half wavelength microstrip filter

Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent

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Profile ID: LFUS-PAI-P-833938

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