Narrow-band VLF transmitter waves originate from the powerful ground-based VLF transmitters for submarine communications, which are typically over the frequency range of 10–30 kHz. VLF transmitter ...

Hi-Q Engineering Inc.,* Poway, California, is awarded a $17,315,857 ceiling increase modification to previously awarded indefinite-delivery/indefinite-quantity, cost ...

The 40th District Court in St. Clair Shores has successfully conducted its first jury selection and trial since the onset of COVID-19 thanks to the use of a low-frequency radio transmitter. Jury ...

Legal, unlicensed broadcasts under Part 15 are a buzz topic right now about radio engineers. Here’s what Larry Wilkins, director of engineering services for the Alabama Broadcasters Association, ...

Although no aliens were found, the results have helped constrain expectations of possible alien transmitter power. When you purchase through links on our site, we may earn an affiliate commission.

Highly integrated SX1223 supports three frequencies and eight power output levels; low bill-of-material cost and design reuse are major benefits CAMARILLO, Calif. – Semtech Corp. (Nasdaq: SMTC), a ...

Engineers have developed a fully implantable radio-frequency transmitter chip for wireless sensor nodes and biomedical devices. Purdue University innovators are working on inventions to use micro-chip ...

Analog transmitters have evolved from simple 4- to 20-mA current loops to designs that include µCs for signal conditioning at the transmitters and designs that allow bidirectional digital ...