GitHub

4x1md/analog_esr_meter

The schematic of this meter was published in an Italian magazine Nuova Elettronica No. 212. I found it more than five years ago on Talino Tribuzio's IZ7ATH site when I was looking for a simple ESR ...
GitHub

An open hardware in-circuit ESR meter for electrolytic capacitors.

This circuit is based on a PIC16F883 that controls a simple lock-in circuit to measure in circuit the ESR and in some cases the capacitance of electrolytic capacitors. The circuit has been designed by ...
Electronic Design

Soul of a Blue Machine: The Engineering Behind Tek’s New 7 Series Oscilloscope

A dive into the engineering behind Tektronix's new 7 Series 4-ch. scope featuring 25-GHz bandwidth, 125-Gsample/s rate, world ...
C&EN

Sustained Solar H2 Evolution from a Thiazolo[5,4-d]thiazole-Bridged Covalent Organic Framework and Nickel-Thiolate Cluster in Water

Schematic diagram of the designed continuous-flow photocatalytic reactor system (red streamlines are the continuous-flow pathway of gas). In contrast, the batch configuration involves mass flow ...
PNAS

Precisely constructing orbital coupling-modulated iron dinuclear site for enhanced catalytic ozonation performance

ESR experiments for reactive oxygen species analysis were measured using a Bruker A300 electron paramagnetic resonance spectrometer with 2,2,6,6-tetramethyl-4-piperidinol (TEMP) and DMPO as ...
C&EN

Study on Start-Up Membraneless Anaerobic Baffled Reactor Coupled with Microbial Fuel Cell for Dye Wastewater Treatment

Beijing Key Laboratory of Water Source Control Technology, Sludge Disposal and Recycling Technology Laboratory, College of Environmental Science and Engineering, Beijing Forestry University, Beijing ...