49X Series Comparison: Difference between revisions

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!Min. Span
!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 ||
| 100 kHz || || 1 kHz || 2 kHz || 500 Hz || 100 Hz || 100 Hz || 500 Hz || 1 kHz || 10 Hz||200 Hz ||200 Hz ||100 Hz ||10 Hz || 2 kHz || 100 Hz || 100 Hz || 100 Hz ||
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!Max. Span         
!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 ||
| 5 GHz || || 100 GHz || 10 GHz || 5 GHz || 100 GHz || 1 GHz || 1 GHz || 5 GHz || 100 MHz||1 GHz || 10 GHz||10 GHz ||10 GHz || 12 GHz || 150 GHz || 1.7 GHz || 4 GHz ||
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!Ext. Mix
!Ext. Mix
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!Center Frequency Accuracy
!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
| ±5 MHz  ||±30 kHz|| ±21 kHz || ±30 kHz || Freq.Ref. || ±20 kHz || ±20 kHz || ±5 MHz || ±21 kHz || ±20 kHz||±30kHz ||±30kHz ||±20 kHz || ±20 kHz|| ±30kHz || ±20 kHz || ±20 kHz || ±21 kHz || at 1 GHz, 100 kHz/div span
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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 || || || ||5×10<sup>-7</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>-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 || ?|| ?||5×10<sup>-7</sup> /year  || 1×10<sup>-7</sup> /year|| ? || 1×10<sup>-7</sup>/year || 1×10<sup>-7</sup>/year || ?||
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!SSB Phase Noise  
!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
|  || || −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 || −103 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz || −105 dBc/Hz|| 30kHz offset, N=1
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!Min. Resolution Bandwidth
!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||
| 1 kHz ||100 Hz  || 100 Hz || 1 kHz || 30 Hz || 10 Hz || 10 Hz || 30 Hz || 10 Hz ||10 Hz ||1 kHz ||100 Hz ||100 Hz ||10 Hz || 1 kHz || 10 Hz || 10 Hz || 10 Hz||
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!Max. Resolution Bandwidth
!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||
| 1 MHz || 1 MHz|| 3 MHz || 3 MHz || 1 MHz || 3 MHz || 3 MHz || 1 MHz || 3 MHz ||3 MHz ||1 MHz ||1 MHz ||3 MHz || 3 MHz|| 3 MHz || 3 MHz || 3 MHz || 3 MHz||
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!GPIB
!GPIB
| P model || P model || yes || yes || P model || P model || P model  || P model || Yes || || || || || || Yes || Yes ||Yes ||Yes||
| P model || P model || yes || yes || P model || P model || P model  || P model || Yes ||Yes ||P model || P model||Yes ||Yes || Yes || Yes ||Yes ||Yes||
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!Marker           
!Marker           
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!Counter           
!Counter           
|  ||  ||  ||  ||  ||  ||  ||  ||  || Yes||No || ||Yes || Yes|| Yes || Yes || Yes || Yes||
|  ||  ||  ||  ||  ||  ||  ||  ||  || Yes||No || No||Yes || Yes|| Yes || Yes || Yes || Yes||
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!Introduced
!Introduced

Revision as of 17:40, 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 10 Hz 200 Hz 200 Hz 100 Hz 10 Hz 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 100 MHz 1 GHz 10 GHz 10 GHz 10 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 ±20 kHz ±30kHz ±30kHz ±20 kHz ±20 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 1×10-7 /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 −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 10 Hz 1 kHz 100 Hz 100 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 1 MHz 1 MHz 3 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 P model P model Yes 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 No Yes Yes Yes Yes Yes Yes
Introduced 1980 1990 1985 1988 1987 1982 1990 1988 1987 1987 1989 1988 1993 1993 1993 1993