CNX Software

Open-source hardware DAB+ receiver combines ESP32 SoC with Skyworks SI4684 digital radio chip

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...
GitHub

quadrature-encoder

Real-time LQR balance controller for an inverted pendulum on Arduino Mega 2560 — split angle/cart control at 200 Hz with quadrature encoder feedback. Boardoza ROTARY ENCODER EC1101S is a rotary ...
Optics

GSI Lumonics

For over 30 years, the Component Products Group of GSI Lumonics has set the standard for the market by providing original, fully engineered solutions to solve difficult beam-steering problems. We ...
GitHub

Quadrature encoder using two slot photointerrupters

Pins 4/5 and 6/7 are swapped in bus_bridge_encoders_sonar (Rev. C) and dual_slot_encoders (Rev. D). [Swapped 4/5 and 6/7.] ...
IEEE

A Cryo-CMOS Wideband Quadrature Receiver With Frequency Synthesizer for Scalable Multiplexed Readout of Silicon Spin Qubits

Abstract: In this article, a cryo-CMOS receiver integrated with a frequency synthesizer for scalable multiplexed readout of qubits is presented, focusing on radio frequency (RF) reflectometry readout ...
IEEE

A Coupling-Path Reconfigurable Quadrature Coupler With Wide Range of Tunable Frequencies and Power Division Ratios

Abstract: In this article, a coupling-path reconfigurable quadrature coupler is proposed with a wide tuning range of frequencies and power division ratios, which consists of three pairs of varactors ...