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US 2006/0133550 A1Published application
Receiver with chopper stabilization and method thereof
AssigneeMotorola, Inc.
InventorsJerry Bolton, Joseph Heck
Life of this patent
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Abstract
A receiver (202) has a down-conversion receiver (304) for transforming a signal (201) from a first operating frequency to a second operating frequency that is lower than the first operating frequency, and a receiver filter (308) with chopper stabilization for filtering unwanted portions of the signal (306) at the second operating frequency and for generating a final filtered signal (203) at the second operating frequency.
Claims20
A receiver, comprising:
- a down-conversion receiver for transforming a signal from a first operating frequency to a second operating frequency that is lower than the first operating frequency;
- and
- a receiver filter with chopper stabilization for filtering unwanted portions of the signal at the second operating frequency and for generating a final filtered signal at the second operating frequency.
A selective call receiver, comprising:
- a receiver for generating from a signal at a first operating frequency a final filtered signal at a second operating frequency that is lower than the first operating frequency;
- and
- a processor for processing the final filtered signal;
- wherein the receiver comprises:
- a down-conversion receiver for transforming the signal from the first operating frequency to the second operating frequency;
- and
- a receiver filter with chopper stabilization for filtering unwanted portions of the signal at the second operating frequency and for generating the final filtered signal at the second operating frequency.
4 more elements
A method for transforming a signal at a first operating frequency, comprising the steps of:
- down-converting the signal from the first operating frequency to a second operating frequency that is lower than the first operating frequency;
- low-pass filtering with chopper stabilization unwanted portions of the signal operating at the second operating frequency;
- and
- generating a final filtered signal at the second operating frequency.
1 more element
Dependencies are inferred from the claim text.