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Tuning Control Arrangement

  • US 20080186114A1
  • Filed: 10/17/2005
  • Published: 08/07/2008
  • Est. Priority Date: 04/05/2005
  • Status: Active Grant
First Claim
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1. A tuning arrangement for a resonant circuit, the tuning arrangement having an output reactance dependent upon a plurality of input applied signals one of which is an input tuning signal, and comprising:

  • an array of tuning circuits connected in a network whose output reactance is used to control the resonance frequency of the resonant circuit, each tuning circuit having a control input and having a reactance which varies in dependence upon the value of a control signal applied to the control input;

    means for generating a plurality of different control signals for application to the control inputs of the tuning circuits; and

    each such control signal varying substantially linearly with the input tuning signal throughout a predetermined range specific to that control signal,so that the frequency response of the resonant circuit to the input tuning signal is substantially linear throughout a desired range of the input tuning signal.

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