Invention Grant
- Patent Title: Digital-to-analog converter
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Application No.: US16833729Application Date: 2020-03-30
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Publication No.: US11171663B2Publication Date: 2021-11-09
- Inventor: Daniel Gruber , Ramon Sanchez , Kameran Azadet , Martin Clara
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: 2SPL Patent Attorneys PartG mbB
- Agent Kieran O'Leary
- Main IPC: H03M1/66
- IPC: H03M1/66 ; H01P5/10 ; H04B1/04 ; H01F19/04 ; H03H7/38 ; H03H7/42

Abstract:
A digital-to-analog converter is provided. The digital-to-analog converter includes a first plurality of digital-to-analog converter cells configured to generate a first analog signal. Further, digital-to-analog converter includes a second plurality of digital-to-analog converter cells configured to generate a second analog signal. The first analog signal and the second analog signal form a differential signal pair. Further, the digital-to-analog converter includes a transmission line transformer comprising a first input node coupled to the first plurality of digital-to-analog converter cells, a second input node coupled to the second plurality of digital-to-analog converter cells, and a first output node. The transmission line transformer is configured to present a first impedance at the first and second input nodes and to present a second impedance at the first output node.
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