Signal generators, also known variously as function generators, RF and microwave signal generators, pitch generators, arbitrary waveform generators, digital pattern generators or frequency generators are electronic devices that generate repeating or non-repeating electronic signals (in either the analog or digital domains). They are generally used in designing, testing, troubleshooting, and repairing electronic or electroacoustic devices; though they often have artistic uses as well.


Supporting a broad range of technologies, Anritsu's signal generators are ready to evaluate all aspects of modern communication systems. High performance specifications coupled with easy to use interfaces ensure best in class performance and fast, accurate measurements.

Keysight Technologies Inc.

Keysight Technologies, Inc. offers the widest selection of signal generators from baseband to 67 GHz, with frequency extensions to 1.1 THz. From basic to advanced functionality, each signal generator delivers benchmark performance in its class to address the requirements in design and manufacture of radio transceivers and their components; and applications ranging from low-frequency navigation signals, through cellular mobile radio, to millimeter wave radar, and satellite systems. Each offers synthesized frequency accuracy and stability, excellent calibrated level accuracy, and remote programmability.

Rohde & Schwarz

Rohde & Schwarz offers analog and digital signal generators with a variety of frequencies, standards, modulations, and functions.

SAF North America LLC

Every aspect of SAF's Spectrum Compact series of hand-held spectrum analyzers (300 MHz - 86 GHz) and signal generators (6 GHz - 40 GHz) has been designed with field use in mind, including a resistive touchscreen for operation with gloves, beefy thumbscrews for SMA and waveguide connections, and high-contrast and fill display modes for easy readability in bright light situations. The 8 GB of memory allows you to save thousands of spectrum traces for offline analysis, investigation, and reporting using the included PC software. Spectrum Compact devices are irreplaceable when performing site survey, radio parameter verification, antenna alignment, interference detection, line-of-sight verification and interference hunting.