EDN

5 octave linear(ish)-in-pitch power VCO

Using the TDA7052A audio amplifier to generate a five octave, linear in pitch voltage-controlled oscillator (VCO).
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 framework for quantum circuit optimization: comparators as a case study

Abstract: Qubits are the minimum unit of information in quantum computing. As current quantum devices have a very limited number of available qubits, finding circuits that optimize their use is ...
IEEE

Monolithically Integrated GaN Comparator Based on Complementary Logic

Abstract: A gallium nitride (GaN) two-stage comparator based on complementary logic (CL) architecture is demonstrated and systematically investigated. The comparator features monolithically integrated ...
Hackaday

LiPo charger

Nothing brings joy to a hacker’s heart like taking a cheap gizmo and making it useful. Over at Hackaday.io [AndyHull] popped open some cheap LiPo battery power packs to see if he could power a Canon ...