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The Advantest R3271A 26.5 GHz spectrum analyzer 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. This spectrum analyzer can measure the ultra-broad bandwidth of 100 Hz to 26.5 GHz in one sweep operation. It can also perform continuous sweeps, and repeatedly. A 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 is thus ideally suited for mobile radio communications, for which narrower bandwidths and digitalization are being advanced. The series features a BASIC controller which allows measured data or set conditions to be stored and free construction of automatic measurement systems without the need for external controllers. Specifications. Frequency range: 100 Hz to 26.5 GHz. Preselector: 3.5 to 26.5 GHz using internal YIG tuned preselector. Frequency readout accuracy (Start, Stop, CF, Marker): ± (freq. readout x freq. reference accuracy + span x span accuracy + 0.15 x RBW + 10 Hz). Span accuracy: ± 3% (span > 2MHz), ± 5% (span <= 2 MHz). Frequency stability Residual FM (zero span): <3 Hz x Np-p/0.1 s. Frequency Linear span Range: 200 Hz to 26.5 GHz, zero span. Frequency Linear span Accuracy: ± 3% (span > 2 MHz), ± 5% (span <= 2 MHz). Resolution bandwidth (3dB) Range: 10 Hz to 3 MHz 1, 3, 10 sequence. Amplitude range: +30 dBm to average display noise level. Maximum input: Average continuous power +30 dBm (1 W) (Input atten >= 10 dB). Input attenuator range: 0 to 70 dB (10 dB step). Sweep time Zero Span: 50 us to 1000 s and manual sweep.
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