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SPECTRUMANALYZERS

ModelMS2651BMS2661B Measurement range: Average noise level to +30 dBmMaximum input level: +30 dBm (CW average power, RF ATT: ≥ 10 dB), ±50 Vdc Average noise level: ≤ –115 dBm (1 MHz to 1 GHz),Average noise level: ≤ –110 dBm (1 MHz to 1 GHz), ≤ –115 dBm + f [GHz] dB (>1 GHz),Level measurement ≤ –110 dBm + f [GHz] dB (>1 GHz) ≤ –114 dBm (1 MHz to 1 GHz, at Option 08 pre-amplifier installed),

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RBW: 1 kHz, VBW: 1 Hz, RF ATT: 0 dBpre-amplifier installed)Residual response: ≤ –114 dBm + 1.5f [GHz] dB (>1 MHz, at Option 08 ≤ –95 dBm (RF ATT: 0 dB, input: 50 Ω termination,Residual response: 1 MHz to 3 GHz)

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RBW: 1 kHz, VBW: 1 Hz, RF ATT: 0 dB ≤ –100 dBm (RF ATT: 0 dB, input: 50 Ω termination,1 MHz to 3 GHz) ±1.3 dB (100 kHz to 3 GHz)

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Level measurement accuracy after calibration using internal calibration signalTotal level accuracyTotal level accuracy:Reference level accuracy (0 to –49.9 dBm) + frequency response + log linearity (0 to –20 dB) + calibration signal source accuracy Setting rangeLog scale: –100 to +30 dBm; Linear scale: 224 µV to 7.07 VUnitLog scale: dBm, dBµV, dBmV, V, dBµVemf, W, dBµV/mLinear scale: VReference level accuracy:Reference level±0.4 dB (–49.9 to 0 dBm), ±0.75 dB (–69.9 to –50 dBm, 0.1 to +30 dBm), ±1.5 dB (–80 to –70 dBm)

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After calibration, at 100 MHz, span: 1 MHz (when RF ATT, RBW, VBW, and sweep time set to AUTO)RBW switching uncertainty: ±0.3 dB (1 kHz to 1 MHz), ±0.4 dB (5 MHz)

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After calibration, referenced to RBW: 3 kHzInput attenuator (RF ATT)Setting range: 0 to 70 dB (10 dB steps)

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Manually settable, or automatically settable according to reference levelSwitching uncertainty: ±0.3 dB (0 to 50 dB), ±1.0 dB (0 to 70 dB)

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After calibration, frequency: 100 MHz, referenced to RF ATT: 10 dB

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±0.5 dB (100 kHz to 3 GHz, referenced to 100 MHz, RF ATT: 10 dB, +18 to +28°C)Frequency response±1.5 dB (9 to 100 kHz, referenced to 100 MHz, RF ATT: 10 dB, +18 to +28°C)±1.0 dB (100 kHz to 3 GHz, referenced to 100 MHz, RF ATT: 10 to 50 dB) Scale (10 div)Log scale: 10, 5, 2, 1 dB/divLinear scale: 10, 5, 2, 1%/divLinearity (after calibration)Waveform displayLog scale:±0.4 dB (0 to –20 dB, RBW: ≤ 1 MHz), ±1.0 dB (0 to –70 dB, RBW: ≤ 100 kHz), ±1.5 dB (0 to –85 dB, RBW: ≤ 3 kHz), ±2.5 dB (0 to –90 dB, RBW: ≤ 3 kHz)Linear scale: ±4% (compared to reference level)Marker level resolutionLog scale: 0.01 dB, Linear scale: 0.02% of reference level 2nd harmonic distortion:2nd harmonic distortion: ≤ –55 dBc (10 to 100 MHz), ≤ –60 dBc (0.1 to 1.5 GHz) ≤ –60 dBc (10 to 200 MHz), ≤ –75 dBc (0.2 to 1.5 GHz),

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Mixer input: –30 dBm ≤ –80 dBc (0.8 to 1 GHz)

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Mixer input: –30 dBmSpurious responseTwo signals 3rd order intermodulation distortion:Two signals 3rd order intermodulation distortion: ≤ –70 dBc (10 MHz to 3 GHz) ≤ –70 dBc (10 to 100 MHz), ≤ –80 dBc (0.1 to 3 GHz)

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Frequency difference of two signals: ≥ 50 kHz,

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Frequency difference of two signals: ≥ 50 kHz,mixer input: –30 dBm)mixer input : –30 dBm 1 dB gain compression ≥ –5 dBm ( ≥ 100 MHz, at mixer input) 1 dB gain compression level to average noise level:>110 dB (0.1 to 1 GHz), >110 dB – f [GHz] dB (>1 GHz),1 dB gain compression level to average noise level: >109 dB (0.1 to 1 GHz, at Option 08 pre-amplifier installed) >105 dB (0.1 to 1 GHz), >105 dB – f [GHz] dB (>1 GHz)>109 dB – 1.5f [GHz] (>1 GHz, at Option 08 pre amplifierDistortion characteristics (RBW: 1 kHz)installed)2nd harmonic:>67.5 dB (10 to 100 MHz),Distortion characteristics (RBW: 1 kHz)Maximum dynamic range>70 dB (100 to 500 MHz),2nd harmonic:>72.5 dB (10 to 200 MHz),>70– f [GHz] dB (0.5 to 1.5 GHz)>80 dB (200 to 500 MHz),3rd order intermodulation :>80– f [GHz] dB (0.5 to 1.5 GHz)>76.6 dB (10 MHz to 1 GHz),>82.5– f [GHz] dB (0.8 to 1 GHz)>76.6– (2/3)f [GHz] dB (1 to 3 GHz)3rd order intermodulation:>80 dB (10 to 100 MHz),>83.3 dB (0.1 to 1 GHz),>83.3– (2/3)f [GHz] dB (1 to 3 GHz) Sweep timeSetting range : 20 ms to 1000 s (Manually settable, or automatically settable according to span, RBW and VBW)Accuracy: ±15% (20 ms to 100 s), ±45% (110 to 1000 s), ±1% (time domain sweep: digital zero span mode) Sweep modeContinuous, single Time domain sweep modeAnalog zero span, digital zero span Zone sweepSweeps only in frequency range indicated by zone marker Tracking sweepSweeps while tracing peak points within zone marker (zone sweep also possible) Number of data points501 NORMAL: Simultaneously displays max. and min. points between sample pointsPOS PEAK: Displays max. point between sample pointsDetection modeNEG PEAK: Displays min. point between sample pointsSAMPLE: Displays momentary value at sample pointsDetection mode switching uncertainty: ±0.5 dB (at reference level)
FunctionsSweepAmplitude DisplayColor TFT-LCD, Size: 5.5 inch, Number of colors: 17 (RGB, each 64-scale settable); Intensity adjustment: 5 steps settable Continued on next page

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