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 ...

Many noise sources can plague high-speed radio-frequency (RF) analog signal chains, making design considerations that much more challenging. Both megahertz and sub-terahertz sampling-rate converters ...

Part 4 of this series recognizes that, in spite of all efforts to keep the EMI and RFI from corrupting the sensor signals on their way from signal source to the signal conditioning instrumentation.