Digitizer controller
A method of and apparatus for adjusting the centre frequency of a band pass filter is disclosed. An adjustment signal is varied over a range, and the value of the adjustment signal which gives the greatest output when an appropriate pilot signal is input is selected. The filter is used in a digitize...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method of and apparatus for adjusting the centre frequency of a band pass filter is disclosed. An adjustment signal is varied over a range, and the value of the adjustment signal which gives the greatest output when an appropriate pilot signal is input is selected. The filter is used in a digitizer controller. |
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