RIGOL Appendix
DSA1000A/DSA1000 Performance Verification Guide
(Continue) Input Attenuation Error Test:
Reference
Level
Internal
Attenuator
Programmable
Attenuator
System
Error
[1]
Global
Error
[2]
Uncertainty
[3]
Limit
Pass
/Fail
-32 dBm 18 dB 32 dB
DSA1030A:
< (0.3 +
0.01 ×
internal
attenuator
setting) dB
DSA1030:
< 0.8 dB
-31 dBm 19 dB 31 dB
-30 dBm 20 dB 30 dB
-29 dBm 21 dB 29 dB
-28 dBm 22 dB 28 dB
-27 dBm 23 dB 27 dB
-26 dBm 24 dB 26 dB
-25 dBm 25 dB 25 dB
-24 dBm 26 dB 24 dB
-23 dBm 27 dB 23 dB
-22 dBm 28 dB 22 dB
-21 dBm 29 dB 21 dB
-20 dBm 30 dB 20 dB
-19 dBm 31 dB 19 dB
-18 dBm 32 dB 18 dB
-17 dBm 33 dB 17 dB
-16 dBm 34 dB 16 dB
-15 dBm 35 dB 15 dB
-14 dBm 36 dB 14 dB
-13 dBm 37 dB 13 dB
-12 dBm 38 dB 12 dB
-11 dBm 39 dB 11 dB
-10 dBm 40 dB 10 dB
-9 dBm 41 dB 9 dB
-8 dBm 42 dB 8 dB
-7 dBm 43 dB 7 dB
-6 dBm 44 dB 6 dB
-5 dBm 45 dB 5 dB
-4 dBm 46 dB 4 dB
-3 dBm 47 dB 3 dB
-2 dBm 48 dB 2 dB
-1 dBm 49 dB 1 dB
0 dBm 50 dB 0 dB
Note:
[1] System Error = Measurement Value of the Power Meter - (+10 dBm - Attenuation of the Program-controlled
Attenuator) - System Error Reference Value 1
[2] Global Error = Maximum Peak of the Spectrum Analyzer - (+10 dBm - Attenuation of the Program-controlled
Attenuator) - Global Error Reference Value
[3] Uncertainty = |Global Error - System Error|