The circuit of Figure 1 produces an accurate variable-frequency sine wave for use as a general-purpose reference signal. It includes an 8th-order elliptic, switched-capacitor lowpass filter (IC3) that ...

This simple design produces a sinewave that ranges from 2Hz to 20Khz using a CypressMicro PSoC chip. More information on these versatile devices can be found on their web page at: If we set f to 1Khz ...

Sawtooth- or exponential-ramp relaxation oscillators are common and generally easy to build. However sometimes a cleaner waveform is desired, and generators of even-symmetric waveforms are a bit more ...

Therecent earthquakes and tsunamis sparked a slew of research into designing disaster-proof infrastructure. The latest tech to boost scientists’ understanding how these disasters work is a ...

The mid-term future for fuel efficient vehicles with useful range is likely a hybrid solution of electric motors powered by batteries, topped up by a fuel-burning generator. Dr. Norbert Müller at ...

CorPower Ocean has resumed the deployment of its commercial-scale C4 wave energy generator, following repairs at Portugal’s Aguçadoura offshore wave energy test site. Earlier this year, CorPower found ...