EDN

Design femtoampere circuits with low leakage, part 1

Circuits that carry femtoamperes of current have many subtleties that you wouldn’t normally consider in the design and layout of conventional circuitry. If you overlook these subtleties, the circuit ...
EDN

Design femtoampere circuits with low leakage, part 3: Low-current design techniques

The classic low-current technique is the “up-in-the-air” wiring technique, where leads of the components in the critical path or circuit node are soldered together above the board. These component ...
mccormick.northwestern.edu

ELEC_ENG 225: Fundamentals of Electronics

CATALOG DESCRIPTION: Fundamental concepts in electronics. Diode, BJT and FET Circuits; design using ideal operational amplifiers; feedback; frequency response; biasing; current sources and mirrors; ...
Electronic Design

Op Amps for Linear Designs: Back to the Basics

Op amps are the basic building blocks for much of linear circuit design. You probably learned about them in college and even designed some products containing an op amp. As an electronic engineer, you ...
Electronic Design

Supply Bootstrapping Reduces Distortion In Op-Amp Circuits

New operational amplifiers optimized for high-performance audio and ultrasound applications combine extremely low total harmonic distortion plus noise (THD+N), -130 dB, with large output voltages on ...