INTERMEDIATE FREQUENCY (IF) FILTERING FOR ENHANCED CROSSOVER ATTENUATION IN A REPEATER
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United States of America Patent
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Issued Date -
Apr 2, 2020
app pub date -
Sep 26, 2019
filing date -
Sep 27, 2018
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Abstract
Technology for a repeater is disclosed. The repeater can include a signal path configured to carry a signal having a selected radio frequency (RF) bandwidth on an RF carrier at a selected frequency. The signal path can include an intermediate frequency (IF) filter block operable for down-conversion of the RF carrier to an IF carrier to enable the selected RF bandwidth of the signal to be bandpass filtered at an IF filter bandwidth having an IF passband frequency range and the IF passband frequency range of the IF filter bandwidth is greater than the selected RF bandwidth. The down-conversion to the IF carrier can provide increased crossover attenuation or midband isolation of the RF carrier for the repeater.
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