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US 7,398,065 B1Granted
Programmable sampling band pass filter
AssigneeRockwell Collins, Inc.
InventorDuane Abbey
Life of this patent
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Abstract
A variable bandwidth, sampled analog filter can be programmed to have a variety of responses. A variable bandwidth, sampled analog filter is preferably a sampled analog resonator based filter that receives a bandwidth control input and a sample clock input. The sampled analog resonator units can include clock delay circuits and reversible (loss/gain) attenuators.
Claims9
An apparatus, comprising:
- a sample clock input;
- a bandwidth control input;
- and
- at least one sampled signal resonator based filter stage comprising at least one sampled signal resonator unit, the sampled signal resonator unit being coupled to the sample clock input and the bandwidth control input, the sampled signal resonator unit including at least one reversible (loss/gain) attenuator coupled to the bandwidth control input and at least one clock delay circuit coupled to the sample clock input, whereby the stage serves to provide at least part of a programmable bandwidth, bandpass gain response filter.
1 more element
Dependencies are inferred from the claim text.