EDN

Extend the LM358 op-amp family’s output voltage range

Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.
IEEE

A 2.24-mW, 61.8-dB SNDR, 20-MS/s Pipelined ADC With Charge-Pump-Based Dynamic Biasing for Power Reduction in Op Amp Sharing

Abstract: A high-speed dynamic biasing technique is presented for reducing op amp power in discrete-time, multistage, analog circuits employing op amp sharing. To exploit typical power scaling in such ...
Electronic Design

The GAP/R K2-W Vacuum-Tube Op Amp in SPICE (Part 4): LTspice Files

As a service to our readers, we're providing the LTspice files used in Dr. Dyer's article on simulation of the 12AX7 and the K2-W vacuum-tube op amp. 1. The model for the K2-W is established as a ...
IEEE

A Low-Power Continuous-Time Delta-Sigma Modulator Using a Resonant Single Op-Amp Third-Order Loop Filter

Abstract: A third-order loop filter (LF) using a single op-amp resonator is presented for continuous-time delta-sigma modulators. The proposed technique improves both the power and area efficiencies ...