Performance Tests
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
4-51
H Press Close.
c. Set the vertical scale: Set the vertical SCALE to one of the settings in
Table 4--4 that is not yet checked. (Start with the first setting listed).
Table 4- 4: Gain accuracy
Channel
Scale
setting
Position
setting (Divs)
Offset
setting
Generator
setting
Measurement
mean
Difference of
measurement
means
Accuracy limits
CSA7404B, TDS7404B, TDS7254B, & TDS7154B
CH1 2mV 0 0V +7.60 mV +14.80 mV to +15.60 mV
--7.60 mV
-- 5 +0.5 V +517.6 mV +14.40 mV to +16.00 mV
+502.4 mV
5 -- 0 . 5 V --502.4 mV +14.40 mV t o +16.00 mV
--517.6 mV
5mV 0 0V +19.0 mV +37.24 mV to +38.76 mV
--19.0 mV
-- 5 +0.5 V +544 mV +36.84 mV to +39.16 mV
+506 mV
5 -- 0 . 5 V --506 mV +36.84 mV to +39.16 mV
--544 mV
10 mV 0 0V +38.0 mV +74.48 mV to +77.52 mV
--38.0 mV
-- 5 +0.5 V +588 mV +73.64 mV to +78.36 mV
+512 mV
5 -- 0 . 5 V --512 mV +73.64 mV to +78.36 mV
--588 mV
20 mV 0 0V +76.0 mV +149.0 mV to +155.0 mV
--76.0 mV
-- 5 +0.5 V +676.0 mV +147.1 mV to +156.9 mV
+524.0 mV
5 -- 0 . 5 V --524.0 mV +147.1 mV to +156.9 mV
--676.0 mV
50 mV 0 0V +190 mV +372.4 mV to +387.6 mV
--190 mV
-- 5 +0.5 V +940 mV +366.7 mV to +393.3 mV