PathWave Design
| Formerly | EEsof | 
|---|---|
| Company type | Division | 
| Industry | Electronic Design Automation Software | 
| Headquarters | Santa Rosa, California, United States | 
| Area served | Worldwide | 
| Products | RF & Microwave Design Design & Simulation of High Speed Digital Electronic System-Level (ESL) Design Device Modeling | 
| Parent | Keysight | 
| Website | Official website | 
PathWave Design is a division of Keysight Technologies that was formerly called EEsof (/ˈiːsɒf/ EESOF; electronic engineering software). It is a provider of electronic design automation (EDA) software that helps engineers design products such as cellular phones, wireless networks, radar, satellite communications systems, and high-speed digital wireline infrastructure. Applications include electronic system level (ESL), high-speed digital, RF-Mixed signal, device modeling, RF and Microwave design for commercial wireless, aerospace, and defense markets.