If you don’t care about shortwave frequencies, the PlutoSDR is a great deal. The device is supposed to be an evaluation board for Analog Device’s radio chips, but it does great as a software-defined ...

Rigol’s new DSA815 spectrum analyzer redefines the product category by setting new standards for performance and price. The DSA815 features a unique widescreen display, compact design and easy-to-use ...

Noise from the power supply, linear regulators, and voltage references is a major contributor to the limitations of system performance, especially in instrumentation and communications products. In ...