Time-interleaved charge sampler receiver

A technology of charge sampling and time interleaving, applied in electrical analog memory, devices for measuring time intervals, devices for generating preselected time intervals, etc., can solve problems such as complex analog-to-digital conversion, complex design of baseband filters and anti-aliasing filters, etc.

Pending Publication Date: 2020-11-27
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The design of baseband filters and anti-aliasing filters to support analog-to-digital conversion in future communication systems is complex
For example, analog-to-digital conversion in fifth-generation (5G) communication systems is complicated by 5G millimeter-wave (mmW) baseband signals

Method used

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  • Time-interleaved charge sampler receiver
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  • Time-interleaved charge sampler receiver

Examples

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Embodiment Construction

[0019] The detailed description set forth below in connection with the accompanying drawings is intended as a description of various configurations and is not intended to represent the only configurations in which the concepts described herein may be practiced. The detailed description includes specific details to provide a thorough understanding of various concepts. It will be apparent, however, to one skilled in the art that these concepts may be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form in order not to obscure the concepts.

[0020] As described herein, the use of the term "and / or" is intended to mean an "inclusive or", and the use of the term "or" is intended to mean an "exclusive or". As described herein, the term "exemplary" is used throughout the specification to mean "serving as an example, instance, or illustration" and should not be construed as preferred or advantageous over oth...

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Abstract

A receiver may include a time-interleaved charge sampler comprising a charge sampler switch in series with a charge sampler capacitor. The receiver may also include a current buffer configured to drive the time-interleaved charge sampler.

Description

[0001] This patent application claims priority to nonprovisional application Ser. No. 15 / 962,967, filed April 25, 2018, entitled "Time-Interleaved Charge Sampler Receiver," assigned to the assignee of the present invention and herein expressly incorporated herein by reference. technical field [0002] The present disclosure relates generally to radio frequency (RF) receivers, and more particularly to time-interleaved charge sampler receivers. Background technique [0003] Wireless devices (eg, cellular phones or smart phones) in a wireless communication system can transmit and receive data for two-way communication. The wireless device may include a transmitter for transmitting data and a receiver for receiving data. To transmit data, the transmitter modulates a radio frequency (RF) carrier signal with the data to obtain a modulated RF signal, amplifies the modulated RF signal to obtain an amplified RF signal with an appropriate output power level, and transmits the The am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H19/00
CPCH03H19/004H03M1/468H04B1/28H04B1/16G04F5/00G11C27/02H03F3/19H03F3/245H03F3/45475H03F2200/165H03F2200/171H03F2200/294H03F2200/451H03M1/1215H03M1/124H03M1/1245H03M1/52H03M1/54
Inventor T·D·加思曼郭玉华梁赖简E·达格D·J·阿拉迪
Owner QUALCOMM INC
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