Apple’s in-house modem now uses one 24MHz quartz crystal oscillator, replacing the other two (32KHz and 76.8MHz) with SiTime’s MEMS oscillators. Despite the switch adding about $0.8 to modem ...

The sensing device is a MEMS microphone that outputs a pulse density modulated (PDM) signal. There are chips available to directly interface such a microphone to a USB port, but [Mahesh] found ...

Menlo Micro has released another MEMS electro-mechanical relay, this time a single-pole four-throw (SP4T) dc-18GHz switch. MM5120 will handle 25W (150W pulsed), according to the company, though its ...