4. Wave transmission lines and networks
  5. Coupling networks
  6. Frequency domain filters utilizing only lumped parameters

Robert A York

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Self-tuning variable impedance circuit for impedance...

Amplifiers – With semiconductor amplifying device – Including frequency-responsive means in the signal...
Reexamination Certificate

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Tunable bridge circuit

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2938796

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