EDN

SIGNAL CHAIN BASICS #53: Properly scaled filter components improve noise attenuation

In DC to low-frequency sensor signal-conditioning applications, relying on the common-mode rejection ratio (CMRR) of an instrumentation amplifier to provide robust noise rejection in harsh industrial ...
EDN

Using switched capacitors to create programmable analog logic blocks in mixed-signal designs

Any physical system design needs both analog and digital functionality. Achieving a modular, programmable design is crucial for the demanding applications of future, which has led to more and more ...
Electronic Design

Noise Reduction is Crucial to Mixed-Signal ASIC Design Success (Part 2)

Separating the power/ground connections used for the analog sections from those used for the digital areas will improve the isolation of the power supplies. Adding external/internal filtering should ...
Electronic Design

Build Your Own Capacitor-Free High Pass Filter

Many sensors have a small analog signal that rides on top of a larger dc pedestal. For these circuits (Fig. 1), the signal must be ac coupled and amplified before it’s digitized. The feedback of an ...