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Spectrum Analyzer - 9 kHz to 30 GHz
Model: MS2687B
The MS2687B Microwave Spectrum Analyzer, the successor model to the MS2687A, covers a frequency range up to 30 GHz and can measure up to 5th-order harmonics on 5-GHz Wireless LANs. Moreover, the MS2687B has a maximum RBW of 20 MHz and is ideal for measuring the burst power of wideband signals used by Wireless LANs. When the MX268730A Measurement Software is installed, the modulation accuracy, etc., of each sub-carrier of the OFDM signal can be measured at high speed and high accuracy.
High C/N ratio to securely capture adjacent signals
The MS2687B has excellent noise sideband characteristics of -108 dBc/Hz or lower (1 GHz, 10 kHz offset), which is ideal for analysing weak signals adjacent to strong signals or a narrow bandwidth carrier.
Extremely low distortion rate suitable for power amplification or harmonic measurement
The MS2687B has extremely low harmonic distortion levels, including second harmonic distortion of -90 dBc and two-signal third-order distortion of -85 dBc, making it suitable for evaluating the non-linearity of high-power amplifiers and for measuring harmonics.
Broad dynamic range that accurately captures weak signals
With the development of digital radio technology, analysed signals are becoming weaker and broader than ever. With the MS2687B, a dynamic range display of up to 156 dB (typical value) has been achieved, thus allowing accurate analysis of even weak signals.
Instantaneous evaluation of various radio devices
The MS2687B has a wealth of measuring functions to perform various high-speed evaluations of radio devices such as power measurement, frequency measurement, adjacent channel leakage power measurement, and mask measurement.
Optional measurement software is also available for instantaneously analyzing various digital communication systems by just installing the software.
Features & Benefits
- Optional measurement software (sold separately) for high-speed modulation analysis (0.5 sec. with IEEE802.11a)
- Optional wide resolution bandwidth up to 20 MHz and narrow resolution bandwidth from 1 Hz
- Optional power meter that measures up to 32 GHz
Data transmission speed approximately 10 times faster* (GPIB transmission speed: 120 kbytes/s) *
- Comparison with our conventional models
- Optional rubidium reference oscillator for warm-up time of just 7 minutes
MS2687B Microwave Spectrum Analyser
Frequency
| Frequency range |
9kHz to 30GHz |
| Pre-selector range |
Pre-selector range: 3.15 to 30 GHz (band 1], 1+, 2+, 4+) |
| Frequency counter resolution |
1 Hz, 10 Hz, 100 Hz, 1 kHz (counts the received frequency at the peak point inside the zone) |
Resolution bandwidth
(RBW) [3 dB bandwidth] |
Setting range: 300 Hz to 3 MHz (1, 3 sequence), 5 MHz, 10 MHz, 20 MHz (0 band)
* Manually settable, or automatically settable according to frequency span
Accuracy: 20 % (300 Hz to 10 MHz), 40 % (20 MHz)
Selectivity (60 dB: 3 dB): 15 or less : 1 |
| Signal purity |
Noise singleband: Below 108 dBc/Hz(1 GHz, 10 kHz offset), below 120 dBc/Hz (1 GHz, 10 kHz offset)
Spurious resulting from local cause: Below 65 dBc (at harmonic mixing order 1) |
| Reference oscillator |
Frequency: 10 MHz
Start-up characteristics: 5 or less x 10-8 (after 10 minutes warm-up, with frequency after 24 hours warm-up referenced)
Aging rate 2 or less x 10-8/day, 1 or less x 10-7/year (with frequency after 24 hours of warm-up referenced)
Temperature characteristics: 5 x 10-8 (0 to 50C, with frequency at 25C referenced) |
Amplitude
| Level measurement |
Average noise level display
RBW: 300 Hz, VBW: 1 Hz, RF ATT 0 dB, in SAMPLE detection mode
Below -124 dBm + f [GHz] dB (1 MHz to 2.5 GHz, band 0)
Below -120 dBm + f [GHz] dB (2.5 to 3.2 GHz, band 0)
Below -115 dBm (3.15 to 7.9 GHz, band 1)
Below -113 dBm (7.8 to 15.3 GHz, band 2)
Below -103 dBm (15.2 to 30.0 GHz, band 4) |
Applications
- For R&D and manufacturing of wireless LAN equipment and devices
- For installation and maintenance of radio stations
- For maintenance of microwave entrance lines
- For development and production line of various radio frequency parts
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