A microwave signal generator, the SMB100B from R&S offers four frequency options covering 8 kHz to 12.75 GHz, 20 GHz, 31.8 GHz, and 40 GHz. This midrange analog signal generator provides single sideband (SSB) phase noise of <-106 dBc (measured) at 20 GHz with an offset of 20 kHz and <-100 dBc (measured) at 40 GHz with a 20-kHz offset. According to R&S, the SMB100B also exhibits low wideband noise for all carrier frequencies.
Output power options of 25 dBm at 20 GHz and 19.5 dBm at 40 GHz are activated by keycode and can be installed at any time. In addition to the instrument’s standard OCXO reference oscillator, a high-performance variant is available across all frequency ranges. It enhances close-in phase noise and frequency stability, while reducing sensitivity to temperature variations.
The SMB100B has a standard 10-MHz reference frequency. An optional 1-MHz to 100-MHz variable external reference frequency input allows the unit to be integrated into existing test environments. The received reference frequency can also be sent to a separate reference output. A 1-GHz reference frequency input and output option improves phase stability between multiple SMB100B instruments.
The SMB100B microwave signal generator (up to 40 GHz) is available now and joins the existing RF models (up to 6 GHz).
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