With a specialized three-dimensional Yagi-Uda antenna on loan, [saveitforparts] listens in on some of these signals. Some of it is presumably encrypted military activity, but there’s also some ...

Telecom regulator Trai on Friday recommended the allotment of the only chunk of 5 megahertz spectrum left in premium 700 Mhz band frequency range to Indian Railways for passenger safety applications.

The ZimaBoard 2 is a new single-board server that’s available for pre-order now through a Kickstarter crowdfunding campaign, the board is expected to begin shipping in August, 2025. It’s ...

We have posted articles in the past on directional antennas such as Yagi antennas used for transmitter ... a PIC chip to quickly shift between two receiving dipole antennas at either end of ...

Abstract: This paper presents a miniaturized Log-Periodic Vee-Dipole Antenna (LPVDA) that incorporates 2D-folded Vee-dipole structures for a compact and efficient design. Utilizing Vee bending and ...

The Spread Spectrum PLL is designed to multiply an input clock by a fixed-point number between 92 and 184 with frequency spreading capability suitable for PC and consumer electronics applications that ...

Abstract: A 700-MHz Gaussian frequency-shift keying (GFSK) transmitter (Tx) for the Internet of Things (IoT) application is presented in this letter. The proposed Tx adopts direct open-loop oscillator ...