Video amplifier for a radar receiver
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United States of America Patent
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Jun 7, 2005
Grant Date -
Nov 13, 2003
app pub date -
Aug 16, 2001
filing date -
Aug 16, 2000
priority date (Note) -
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Abstract
A video amplifier for a radar receiver includes a temperature compensating attenuator. The attenuator includes a temperature sensitive device, such as a thermistor, arranged in a voltage divider network and is coupled in cascade between two filter stages. Each of the filter stages has a bandpass characteristic in order to filter low-frequency leakage signals and provide sensitivity control based on frequency and thus range, while also filtering high frequency signals to reduce aliasing.
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