F DAC/2 spur estimation and correction

K Gunasekaran, S Roychowdhury, R Manjunath - 2023 - freepatentsonline.com
A spur correction system for a transmit chain having an interleaving multiplexer. In some
embodiments, the spur correction system includes a spur sense chain, a correction …

Multi-bit scan chain with error-bit generator

AK Baratam, YT Laplanche - US Patent 12,068,745, 2024 - Google Patents
Various implementations described herein are directed to a device having a scan chain that
receives a multi-bit input, provides a multi-bit output, and provides a multi-bit multiplexer …

Matching transmitters with receivers for making network-level assignments

K Maamoun, A Abdo, S Aouini, B Riaz… - US Patent …, 2023 - Google Patents
Abstract Systems and methods for controlling network configurations or assignments are
provided. A method, according to one implementation, includes a step of calculating …

Clock selector circuit

B Gajda, F Pedersen - US Patent 11,764,770, 2023 - Google Patents
A clock selector circuit receives a first input clock signal (CLK1) having a first frequency, and
a second input clock signal (CLK2) having a second frequency. A phase difference detector …

Reducing non-linearities of a phase rotator

JYT Lam, S Aouini, N Ben-Hamida - US Patent 12,034,448, 2024 - Google Patents
RGLRXNKKBLIBQS-XNHQSDQCSA-N leuprolide acetate Chemical compound CC (O)= O.
CCNC (= O)[C@@ H] 1CCCN1C (= O)[C@ H](CCCNC (N)= N) NC (= O)[C@ H](CC (C) C) …

Optical DSP operating at half-baud rate with full data rate converters

S Aouini, RG Gibbins, Y Yazaw, H Mah… - US Patent …, 2023 - Google Patents
Abstract An optical Digital Signal Processor (DSP) circuit includes a digital core configured
to implement digital signal processing functionality and configured to operate at a plurality of …

High accuracy output voltage domain operation switching in an operational amplifier

A Rossberg - US Patent 11,736,075, 2023 - Google Patents
An amplifier circuit is capable of switching between a unipolar output voltage domain and a
bipolar output voltage domain. The amplifier circuit comprises an operational amplifier with a …

Reducing non-linearities of a phase rotator

JYT Lam, S Aouini, N Ben-Hamida - US Patent 11,463,093, 2022 - Google Patents
Circuits, controllers, and techniques are provided for reducing non-linearities in a phase
rotator. A circuit, according to one implementation, includes a single Phase-Locked Loop …

FDAC/2 spur estimation and correction

K Gunasekaran, S Roychowdhury… - US Patent …, 2023 - Google Patents
A spur correction system for a transmit chain having an interleaving multiplexer. In some
embodiments, the spur correction system includes a spur sense chain, a correction …

In-phase to quadrature-phase imbalance in an optical data modulator

X Chen - US Patent 11,588,559, 2023 - Google Patents
US11588559B2 - In-phase to quadrature-phase imbalance in an optical data modulator -
Google Patents US11588559B2 - In-phase to quadrature-phase imbalance in an optical data …