Analog signal generator offers 6-GHz performance
By Staff -- Test & Measurement World, 9/1/2007
The SMB100A analog signal generator from Rohde & Schwarz comes in four models with measurement coverage from 9 kHz to 1.1, 2.2, 3.2, and 6 GHz. Output is +18-dBm specified (+25 dBm in overrange mode); flatness is ±0.5 dB up to 3 GHz and ±0.9 dB above 3 GHz; and setting time is less than 3 ms for frequency and less than 2.5 ms for level.
In list mode, the instrument can store and automatically run up to 2000 pairs of frequency and level settings, reducing setting time to less than 1 ms. At 1 GHz, phase noise with a 1-Hz measurement bandwidth is typically –128 dBc/Hz at a 20-kHz carrier offset, nonharmonic suppression is –70 dBc at a 10-kHz offset, and wideband noise is typically –152 dBc.
The SMB100A can serve aerospace and defense applications such as radar system (pulsed signal) testing. In addition to the instrument’s standard AM, FM, and phase modulation, a pulse generator and pulse modulator are available as options.
Other features include reverse power protection of 50 W at 1 GHz, 25 W up to 2 GHz, and 10 W at 6 GHz; broadband-frequency modulation with a maximum deviation of 16 MHz above 3 GHz; VSWR of less than 1.8:1; measurement repeatability of ±0.02 dB; and an internal low-frequency generator that delivers sine-wave signals up to 1 MHz and square-wave signals up to 20 kHz.
Base price: $6350. Rohde & Schwarz, www.rohde-schwarz.com.
