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The Advantest R3172 is a high performance analyzer with an average display noise level of -104 dBm/RBW 1 kHz at 26.5-GHz. This enables a wider relative measurement range when measuring high frequencies or weak signals against a reference waveform. The R3172 also provides high performance with SSB phase noise of -91 dBc/Hz @26.5 GHz/20 kHz offset by providing an internal local transmitter with a high level of purity. A variety of optional external mixers are available for the R3172 spectrum analyzer for measuring various high-frequency signals. By selecting the optimum option, the measurement frequency can be set from 26.5 GHz to 110 GHz. Since the frequency characteristics specific to each mixer are corrected and the data is saved in the internal memory of R3172, the level can be read directly. The R3172 is equipped with a 6-dB bandwidth filter of 9 kHz/120 kHz/1 MHz and a QP detector. In addition, an optical 200-Hz narrow band-pass filter is available, enabling noise measurement of high frequency bands that will be increasingly in demand in the future. Specifications. Frequency range: 9 kHz to 26.5 GHz. Frequency readout accuracy (Start, Stop, CF, Marker): ±(Frequency readout × frequency reference error + span × span accuracy + RBW × 0.15 + 60Hz). Frequency span Range: 1 kHz to 26.5 GHz, 0 Hz (zero span). Frequency span Accuracy: <= ± 1%. Resolution bandwidth At 3 dB Range: 1 kHz to 3 MHz 1-3-10 sequence. Measurement range Preamplifier OFF (Input attenuator >= 10 dB): +30dBm, 0 VDC max. Sweep time: 20 ms to 1000 s. Options. OPT.03, Local output for external mixers. OPT.20, Highly stable frequency reference. OPT.27, Narrow band resolution bandwidth of 30/100/300 Hz and 200 Hz (EMI bandwidth). OPT.29, 50µs high-speed time domain sweep. OPT.73, Wide-range FM demodulation. OPT.74, 3-GHz tracking generator. OPT.16, External mixer 26.5 to 40 GHz. OPT.17, External mixer 40 to 60 GHz. OPT.18, External mixer 50 to 75 GHz. OPT.19, External mixer 75 to 110 GHz.
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