HDIQ  IQ Modulator
Key Features
- 4-channel IQ modulator
 - RF frequency range 4 - 8 GHz
 - Intermediate frequency range DC - 6 GHz
 - Experiment output port switchable between RF output and direct LO output
 - Separate output port for mixer calibration
 - AC-coupled RF circuit design to prevent ground loops
 - Python programming examples for mixer calibration