![]() The SRS SG390 Series Signal Generators are based on a new frequency synthesis technique called Rational Approximation Frequency Synthesis (RAFS). The instruments use an ovenised SC-cut oscillator as the standard time base, providing a 100 fold improvement in the stability (and a 100 fold reduction in the in-close phase noise) compared to instruments which use a TCXO time base. Both analogue modulation and vector baseband generators are included as standard features. The instruments utilise a new RF synthesis technique which provides spur free outputs with low phase noise (–116 dBc/Hz at 1 GHz) and extraordinary frequency resolution (1 μHz at any frequency). Three new Stanford Research Systems RF Signal Generators, with carrier frequencies from DC to 2.025 GHz, 4.050 GHz and 6.075 GHz, support both analogue and vector modulation. Additional 12 months warranty for free (2 years total) via our UK Service Centre.
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