Invention Grant
- Patent Title: Low-voltage differential signaling (LVDS) receiver circuit and a method of operating the LVDS receiver circuit
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Application No.: US15238810Application Date: 2016-08-17
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Publication No.: US10727796B2Publication Date: 2020-07-28
- Inventor: Mohammed Sulaiman BenSaleh , Syed Arsalan Jawed , Yasir Mehmood Siddiqi , Waqas Siddiqi , Shahab Ahmed Najmi
- Applicant: The King Abdulaziz City for Science and Technology
- Applicant Address: SA Riyadh
- Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)
- Current Assignee: THE KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (KACST)
- Current Assignee Address: SA Riyadh
- Agency: Dennemeyer & Associates, LLC
- Agent Steven M. Shape
- Main IPC: H03F3/45
- IPC: H03F3/45 ; H03F1/34 ; H03F1/32 ; H04B1/16

Abstract:
The invention provides a Low-voltage Differential Signaling (LVDS) receiver circuit that comprises a folded-cascode operational transconductance amplifier (OTA) that includes a pair of input branches and a pair of output branches. The pair of input branches of the folded-cascode OTA includes a p-channel metal-oxide semiconductor (PMOS) input transistor pair connected to a first supply voltage domain. The pair of output branches includes an output circuit connected to a second supply voltage domain. The LVDS receiver circuit further includes a common-mode feedback circuit connected to the pair of output branches of the folded-cascode OTA that controls the second supply voltage domain. The LVDS receiver circuit further includes a regenerative buffer circuit connected to the pair of output branches of the folded-cascode OTA and an output generated from the pair of output branches of the folded-cascode OTA directly operates the regenerative buffer circuit to produce a distortion-free output signal.
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