The dB Control dB-9006 Magnum Opus is an instrument-grade synthesized signal source covering 100 MHz to 27 GHz with best-in-class phase noise. It supports 4-wire SPI and dual SCPI interfaces (RS-232 or USB) with <50 µs SPI tuning speed. A secondary 1–2,000 MHz output is included. Both outputs offer 1 Hz resolution plus an optional 1 mHz high-resolution mode.