Method and apparatus for interactively tuning frequency hopping transmitter
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United States of America Patent
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May 13, 1997
Grant Date -
N/A
app pub date -
Apr 20, 1995
filing date -
Apr 20, 1995
priority date (Note) -
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Abstract
A method and apparatus for interactively tuning a transmitter for use in a monitoring station is described. The monitor includes a voltage controlled oscillator producing a radiowave signal for use as a carrier. The voltage used to control the voltage controlled oscillator is provided by a voltage supply that produces an output voltage corresponding to an input data stream. The tuning station provides test data streams to the voltage supply and monitors the output frequencies of the transmitter to determine when the output frequency of the transmitter is above or below the maximum allowable output frequencies. When data streams corresponding to the maximum and minimum output frequencies are determined, they are stored in a memory in the monitoring station and a complete table of temperature-compensated data is generated based upon typical unit temperature drifts. The entire table is loaded into the monitoring station to provide maximum and minimum data sequences for various operating temperature ranges.
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