Antenova of Hatfield has introduced a miniature antenna for global navigation systems (GNSS) such as GPS.
Read full article: Antenova tackles GNSS with FR4 antenna
e-peas launches first chip
Power semiconductor start-up e-peas of Liege, whose ICs are aimed at increasing the amount of energy harvested by energy scavenging devices and reducing the energy consumption of power consuming blocks within wireless sensor nodes, has put its first chip on the market. The AEM10940 aims to maximize the efficiency of power-scavenging devices. The chip has …
Read full article: e-peas launches first chip
A bit late but: super capacitors on the Thames cable car
I missed this in 2012. In fact, I didn’t even know there was a cable car across the Thames until I saw it from the Excel centre a couple of years ago. The gondolas in the Emirates Air Line cable car system, which crosses the Thames near the Dome, are powered by supercapacitors. Roof-mounted, and …
Read full article: A bit late but: super capacitors on the Thames cable car
State-owned China foundry HLMC to build second fab
Shanghai Huali Microelectronics (HLMC), the foundry company majority-owned by Shanghai’s local government, is to build a second fab, reports Digitimes. The fab is expected to start running 28nm wafers in 2018 and be capable, when fully equipped, of running 40k wpm. HLMC’s Fab 1 is a 35k wpm fab running 65nm, 55nm, 40nm and 28nm …
Read full article: State-owned China foundry HLMC to build second fab
Lumileds adds horticultural LEDs spanning power levels and SPDs
Lumileds has delivered new high- and mid-power LEDs for horticultural lighting including a phosphor-converted purple LED that mixes the blue and red wavelengths critical for photosynthesis in a single emitter.
Five-year report eases fear over groundwater in Hawke’s Bay, New Zealand
A five year Groundwater Quality report has been used to show Hawke’s Bay aquifer systems are suitable for drinking water supply…
French sludge to biomethane company sells minority stake to SUEZ Ventures
French company SUEZ Ventures has acquired a 22% minority share in biogas recovery firm Prodeval…
Severn Trent’s Thomaston Plant receives Partnership for Safe Water award
The Thomaston plant was presented this award for successfully completing the self-assessment and peer review phase of the Partnership program.
Tearing down the Apple Watch Series 2 (and iPhone 7)
Want a teardown of the new Apple Watch Series 2 and Apple iPhone 7? Step forward iFixit.
Read full article: Tearing down the Apple Watch Series 2 (and iPhone 7)
The right way to do a current sink
I could have sworn I had put this circuit on the blog before, but having failed to find it, here it is, possibly again. I have combined op-amps and mosfets to make high-current sinks, and had mixed results, sometimes making oscillators. The error I have discovered (see diagram below), is to simply connect the op-amp …
Read full article: The right way to do a current sink