"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you have trouble getting your local TV channels, an HDTV antenna amplifier can help clean up your ...

Lock-in amplifiers use phase-sensitive detection to measure the presence of small signals buried in large amounts of noise. By measuring the coherent system response from an incoming AC signal, the ...

If you want to extract a signal from a huge amount of noise, a lock-in amplifier is the ideal tool. But when it comes to buying one, doing your homework first can avoid a costly mistake, advises ...

Op Amps Continue To Flourish SINCE THE INTRODUCTION OF THE FIRST monolithic bipolar operational amplifier (op amp) in the mid-sixties by Fairchild Semiconductor (www.fairchildsemi.com), the technology ...

Austin, Texas — D2Audio Corp. announced two amplifier products targeting mainstream audio systems: the MXM for multi-room distributed audio systems and the MXR for audio video receivers and home ...

Digital predistortion (DPD) has emerged as a pivotal technique for enhancing the performance of radio frequency power amplifiers (RF PAs). By pre-adjusting the digital input signal to counteract the ...