EDN

FET Constant Current Sources in Circuits

FET constant current sources use JFETs and MOSFETs to deliver a load current, which remains constant despite changes in load resistance or supply voltage. A FET constant current source is a type of ...
EDN

Negative time-constant and PWM program a versatile ADC front end

A variety of analog front-end functions typically assist ADCs to do their jobs. These include instrumentation amplifiers (INA), digitally programmable gain (DPG), and sample and holds (S&H). The ...
IEEE

Time Constant Estimation on a Low-Cost, Low-Power Microcontroller Using the Matrix Pencil Method

Abstract: An algorithm to accurately determine the time constant of a circuit simplifies reading out resistive and capacitive sensors. However, implementing such an algorithm on low-cost, low-power ...
IEEE

Design, Analysis, and Verification of a Constant Current Circuit With Settling Time at Microsecond Level for Shape Memory Alloy Actuators

Abstract: Shape memory alloy (SMA) wire actuators present a viable alternative to conventional pyrotechnic devices in aerospace separation mechanisms due to their low impact, contamination-free ...