Performance Tests
4-70
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
H Press the front-panel Vertical button that corresponds to the channel
you are to confirm.
H Set the generator output to 0 V.
H Move the test hookup to the channel you selected.
b. Turn on the measurement Mean for the channel:
H From the tool bar, touch MEAS and select the Ampl tab, then touch
Mean to measure the mean of the current channel.
H Press Close.
c. Set the vertical scale: Set the vertical SCALE to one of the settings in
Table 4--5 that is not yet checked.
Table 4- 5: Offset accuracy
Scale
setting
Position setting
(Divs)
Offset
setting
1
Generator
setting
Accuracy limits
CSA7404B, TDS7404B, TDS7254B, & TDS7154B
2mV 0 +0.5 V +500 mV +497.3 mV to +502. 7 mV
0V 0. 0 mV --1.7mVto+1.7mV
-- 0 . 5 V --500 mV --502. 7 mV to --497.3 mV
50 mV 0 +0.5 V +500 mV +491.75 mV t o +508.25 mV
0V 0. 0 mV --6.5mVto+6.5mV
-- 0 . 5 V --500 mV --508. 25 mV to --491.75 mV
100 mV 0 +5 V +5.0 V +4.9575 V to +5.0425 V
0V 0. 0 V -- 2 5 m V t o + 2 5 m V
-- 5 V -- 5 . 0 V --5.0425 V to --4.9575 V
500 mV 0 +5 V +5.0 V +4.9175 V to +5.0825 V
0V 0. 0 V -- 6 5 m V t o + 6 5 m V
-- 5 V -- 5 . 0 V --5.0825 V to --4.9175 V
1V 0 +2.5 V +2.5 V +2.37625 V to +2.62375 V
0V 0. 0 V --115mVto+115mV
-- 2 . 5 V -- 2 . 5 V --2.62375 V to --2.37625 V
TDS7704B
2mV 0 +0.5 V +500 mV +496.55 mV to +503.45 mV
0V 0. 0 mV --1.7mVto+1.7mV
-- 0 . 5 V --500 mV --503. 45 mV to --496.55 mV