QPSK Modulation and Demodulation Algorithm QPSK is the use of four different ... through the tools Simulink simulation of the schematic diagram shown in Figure 3. Figure 3. Digital phase-locked loop ...

Abstract: This paper presents a second-order Sigma–Delta modulator for electroencephalogram applications ... Low-voltage operation has been achieved using quasi-floating-gate-based circuits. The use ...

Another simple circuits for PWM programming of standard regulator chips, this time Vout is programmable down to zero volts.

Inductors are everywhere, from power supplies and filters to transformers and even your smartphone. But what exactly is an ...

Integrating a shunt resistor and Hall-based current sensor into a single device helps simplify EV architectures and enhances ...

Deep-brain imaging in awake mice reveals how light resets the circadian clock by activating complex SCN neuron networks.

Abstract: A low-power switched-capacitor third-order sigma- delta (ΣΔ) modulator suitable for portable sensor systems is described. The architecture uses only one operational amplifier working in a ...

The demonstration design uses the ams OSRAM AS6212 temperature sensor and STMicroelectronics LIS2DW12 accelerometer boards ...