The Advantest R3271A is designed to analyze pulse RF signals used for radar or to analyze the spectrums of microwaves and quasi-millimetric waves used for satellite broadcasting, satellite communications or mobile communication. These spectrum analyzers can measure the ultra-broad bandwidth of 100 Hz to 26.5 GHz in one sweep operation. They can also perform the continuous sweeps and repeatedly. A newly developed high-purity synthesizer enables a high signal purity of –110 dBc/Hz (10 kHz offset frequency) in a frequency band of 2.5 GHz. The R3271A’s GPIB is fully compatible with any product that meets the IEEE 488-1978 standard. The GPIB bus allows connecting the analyzer to other GPIB devices more easily than single bus cables, making it easier to construct or modify high-grade measuring systems.