You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

A square wave oscillator can be used as a low-cost time reference or supervisory clock source. The square wave oscillator shown in the application circuit is created with a single comparator (TLV3201) ...

Examine a traditional Hartley oscillator circuit, and you’ll note its trademark: a tapped inductor that determines the frequency of oscillation and provides oscillation-sustaining feedback. Although ...

Using this Pierce-oscillator circuit, users can test and verify the basic operation of a crystal in parallel-resonance mode. It allows the user to calculate and set the critical external capacitor ...

In Part 1, the basics of the P2 were discussed through easy straightforward simulations in LTSPice. In this article, we delve further into the P2’s design. It hasn’t been easy investigating the nature ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Entries keep ticking in for the One Hertz Challenge, some more practical than others. [Pierre-Loup M.]’s One Hertz Sculpture has no pretensions of being anything but pretty, but we can absolutely ...

A research team from Peking University has successfully developed a vanadium oxide (VO₂)-based “locally active memristive ...