I designed the circuit in Figure 1 as a part of a data transmission system that has a carrier frequency of 400 kHz using on-off keying (OOK) modulation. I needed to detect the presence of the carrier ...

Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a 1 Hz pulse train. It’s usual to have a 32.768 kHz crystal and a 15-stage ...

The injection-locked frequency divider (ILFD) is a pivotal building block in modern radio frequency (RF) and mixed-signal systems. By utilising the phenomenon of injection locking, these dividers ...

Situation: You’re an IT person new to radio broadcast engineering and are given the keys to an AM transmitter site. The manager says to go out and get familiar with the equipment. The site reminds you ...

Gathering information on physical phenomena such as force, pressure, light, temperature, strain and current is an invaluable tool when designing many systems. Sensors convert changes in physical ...

AS CHILDREN everywhere are delighted to learn in science class, sound can shatter glass. Might it also be possible, then, to use acoustic waves to disrupt the electromechanical sensors that drones ...

Hertz is now ready to offload some of its Shelby Mustang Mach-E fleet. The cars in question sport a special Hertz livery along with a handful of unique bits. Sure, the $65,000 price tag might seem ...

On Tuesday, Speaker of the House Kevin McCarthy was ousted by a narrow vote on a motion to vacate his seat.. His ousting was driven by a flank of hard-right Republicans led by Florida Congressman Matt ...

The U.S. Fifth Circuit Court of Appeals has upheld an injunction restricting how the government can communicate with social media companies, which the Biden administration warns will stymie efforts to ...