National Instruments has released two 16-bit, 80-analog-channel USB data-acquisition modules. The USB-6225 ($1599) samples at 250 ksamples/s and the USB-6255 ($2599) samples at 1.25 Msamples/s. The ...
Let’s face it: analog-to-digital converters (ADCs) operate differently. Their analog inputs are voltage-input-sensitive devices that leave radio-frequency (RF) engineers scratching their heads about ...