49X Series Comparison: Difference between revisions
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!Frequency Range | !Frequency Range | ||
| 50 kHz – 21 GHz || 50 kHz – 21 GHz || 10 kHz – 21 GHz || 10 kHz – 21 GHz|| 10 kHz – 21 GHz || 10 kHz – 21 GHz || 100 Hz – 1.8 GHz || 1 kHz – 1.8 GHz || 100 Hz – 7.1 GHz || 100 Hz – 1.8 GHz || | | 50 kHz – 21 GHz || 50 kHz – 21 GHz || 10 kHz – 21 GHz || 10 kHz – 21 GHz|| 10 kHz – 21 GHz || 10 kHz – 21 GHz || 100 Hz – 1.8 GHz || 1 kHz – 1.8 GHz || 100 Hz – 7.1 GHz || 100 Hz – 1.8 GHz ||50 kHz – 21 GHz || 10 kHz – 21 GHz|| 10 kHz – 21 GHz||10 kHz – 21 GHz || 10 kHz – 21 GHz || 10 kHz – 21 GHz || 100 Hz – 1.8 GHz || 100 Hz – 7.1 GHz || | ||
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!Min. Span | !Min. Span | ||
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!Ext. Mix | !Ext. Mix | ||
| Yes || Yes || Yes || No || Yes || Yes || No || No || No || || || || || || Yes || Yes || No || No || | | Yes || Yes || Yes || No || Yes || Yes || No || No || No ||No ||No || Yes|| Yes|| Yes|| Yes || Yes || No || No || | ||
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!Center Frequency Accuracy | !Center Frequency Accuracy | ||
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!Frequency Reference Accuracy | !Frequency Reference Accuracy | ||
| || || 1×10<sup>-6</sup>/year || 1×10<sup>-5</sup>/year || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || || 1×10<sup>-6</sup>/year || || || || || || ? || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || ?|| | | || || 1×10<sup>-6</sup>/year || 1×10<sup>-5</sup>/year || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || || 1×10<sup>-6</sup>/year || || || ||5×10<sup>-7</sup> /year || 1×10<sup>-7</sup> /year|| ? || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || ?|| | ||
|- | |- | ||
!SSB Phase Noise | !SSB Phase Noise | ||
| || || −105 dBc/Hz || −103 dBc/Hz || −90 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz || || −105 dBc/Hz || || || || || || −103 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz|| | | || || −105 dBc/Hz || −103 dBc/Hz || −90 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz || || −105 dBc/Hz || || || || || -105 dBc/Hz || −103 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz|| 30kHz offset, N=1 | ||
|- | |- | ||
!Min. Resolution Bandwidth | !Min. Resolution Bandwidth | ||
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!Marker | !Marker | ||
| No || Yes || Yes || Yes || No || Yes || Yes || No || Yes || || || || || || Yes || Yes || Yes || Yes|| | | No || Yes || Yes || Yes || No || Yes || Yes || No || Yes || Yes || Yes|| Yes|| Yes || Yes || Yes || Yes || Yes || Yes|| | ||
|- | |||
!Counter | |||
| || || || || || || || || || Yes||No || ||Yes || Yes|| Yes || Yes || Yes || Yes|| | |||
|- | |- | ||
!Introduced | !Introduced | ||
Revision as of 16:07, 21 June 2021
This page is an attempt to compare the 49X, 275X, and 279X series spectrum analyzers that share many common hardware features. All data is for the base model without options.
| Model | 492 | 492A | 492BP | 492PGM | 494 | 494A | 495 | 496 | 497P | 2753P | 2754 | 2755 | 2755AP | 2756P | 2792 | 2794 | 2795 | 2797 | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frequency Range | 50 kHz – 21 GHz | 50 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 100 Hz – 1.8 GHz | 1 kHz – 1.8 GHz | 100 Hz – 7.1 GHz | 100 Hz – 1.8 GHz | 50 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 10 kHz – 21 GHz | 100 Hz – 1.8 GHz | 100 Hz – 7.1 GHz | |
| Min. Span | 100 kHz | 1 kHz | 2 kHz | 500 Hz | 100 Hz | 100 Hz | 500 Hz | 1 kHz | 2 kHz | 100 Hz | 100 Hz | 100 Hz | |||||||
| Max. Span | 5 GHz | 100 GHz | 10 GHz | 5 GHz | 100 GHz | 1 GHz | 1 GHz | 5 GHz | 12 GHz | 150 GHz | 1.7 GHz | 4 GHz | |||||||
| Ext. Mix | Yes | Yes | Yes | No | Yes | Yes | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes | No | No | |
| Center Frequency Accuracy | ±5 MHz | ±30 kHz | ±21 kHz | ±30 kHz | Freq.Ref. | ±20 kHz | ±20 kHz | ±5 MHz | ±21 kHz | ±30kHz | ±20 kHz | ±20 kHz | ±21 kHz | at 1 GHz, 100 kHz/div span | |||||
| Frequency Reference Accuracy | 1×10-6/year | 1×10-5/year | 1×10-7/year | 1×10-7/year | 1×10-7/year | 1×10-6/year | 5×10-7 /year | 1×10-7 /year | ? | 1×10-7/year | 1×10-7/year | ? | |||||||
| SSB Phase Noise | −105 dBc/Hz | −103 dBc/Hz | −90 dBc/Hz | −105 dBc/Hz | −105 dBc/Hz | −105 dBc/Hz | -105 dBc/Hz | −103 dBc/Hz | −105 dBc/Hz | −105 dBc/Hz | −105 dBc/Hz | 30kHz offset, N=1 | |||||||
| Min. Resolution Bandwidth | 1 kHz | 100 Hz | 100 Hz | 1 kHz | 30 Hz | 10 Hz | 10 Hz | 30 Hz | 10 Hz | 1 kHz | 10 Hz | 10 Hz | 10 Hz | ||||||
| Max. Resolution Bandwidth | 1 MHz | 1 MHz | 3 MHz | 3 MHz | 1 MHz | 3 MHz | 3 MHz | 1 MHz | 3 MHz | 3 MHz | 3 MHz | 3 MHz | 3 MHz | ||||||
| GPIB | P model | P model | yes | yes | P model | P model | P model | P model | Yes | Yes | Yes | Yes | Yes | ||||||
| Marker | No | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Counter | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | |||||||||||
| Introduced | 1980 | 1990 | 1985 | 1988 | 1987 | 1982 | 1990 | 1988 | 1987 | 1987 | 1989 | 1988 | 1993 | 1993 | 1993 | 1993 |