There’s a transformer for the linear supply, through-hole components, and an Intersil frequency counter on a chip. Everything is easy to get to and large enough to see.

This frequency counter is [Miguel Pedroso’s] entry in the 7400 Logic contest. After looking at the design we think this is a perfect project for those who have not worked with logic ICs before.

Description: Features Flow Range – 0.1m/sec to 20m/sec bi-directional Display – 64 x 240 pixels graphic display Programming via 16 key control panel Battery or mains operation Rechargeable battery ...

The 1510A Precision Signal Source generator available from MTI Instruments is a compact and portable device and includes dual-channel Direct Digital Synthesis (DDS) that creates high precision signals ...

Description: optimum application requirements. Configurable I/O The ADAM-5000 series analog input modules can be configured to accept several ranges of voltage input ...

Claus, Martin Mukherjee, Anindya Moroguma, Alex Pacheco, Anibal Blawid, Stefan and Schroter, Michael 2013. High-frequency benchmark circuit design for a sub 50 nm CNTFET technology. p. 1.

The military also uses portable backpack jammers ... controlled IED operates on a radio or infrared frequency. Jamming devices, known as Counter Radio Controlled Improvised Explosive Device ...

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The military also uses portable backpack jammers ... controlled IED operates on a radio or infrared frequency. Jamming devices, known as Counter Radio Controlled Improvised Explosive Device ...

A portable dishwasher clamps to a faucet when you need it and can roll away (and turn into extra counter space) when you don’t. Otherwise, it works just like any built-in dishwasher. If you need ...

Ultimate Ears has (sort of) resurrected its Roll speakers in the form of the new UE Miniroll. The new Bluetooth speaker is ...