Additional Features: Multiple Source Control and Frequency Offset E/O and O/E Application Rear Panel IF Inputs (for upgrade to Millimeter Wave) NxN calibration Utility for Mixer Measurements Embed/De-Embed application High Stability Frequency Reference 1 Hz Frequency Resolution The Lightning D-Series Vector Network Analyzer (VNAs) are high performance test tools designed to satisfy the growing needs of defense, satellite, radar, broadband communication, and high speed component markets. The new 37000D VNAs improve upon performance while providing a wider set of standard application features to better suit the needs of R&D engineers working on next generation designs. These new features, when combined with the ease of programming through helpful software utilities and faster data transfer over Ethernet, make it an equally valuable tool for manufacturing as well.