Tektronix TDS7054, Service Manual

Page: 30 / 254

Specifications
1- 8
TDS7104 & TDS7054 Service Manual
Table 1- 2: Channel input and vertical specifications (Cont.)
Characteristic Description
DC gain accuracy,
±
1% in Sample or Average acquisition mode
DC voltage measurement accuracy Measurement type DC accuracy (in volts)
Sample acquisition mode,
typical Absolute measurement of
any waveform point, and
High, Low, Max, and Min
measurements
±
[(1.0%
×
| reading -- net
offset | ) + offset ac
(0.13 div
×
V/div setting) +
0.6 mV]
Delta voltage measurement
between any two points
acquired under the same
setup and ambient condi-
tions, and all other auto-
matic measurements
±
[(1.0%
×
| reading | ) +
(0.26 div
×
V/div setting) +
1.2 mV]
Net offset = offset -- (position
×
volts/division ) and is
expressed in volts
n
Average acquisition
mode (
≥
16 averages)
Absolute measurement of
any waveform point, and
High, Low, Max, and Min
measurements
±
[(1.0%
×
| reading -- net
offset | ) + offset accuracy
+(0.06
×
V/div)]
Delta voltage measurement
between any two points
acquired under the same
setup and ambient condi-
tions, and all other auto-
matic measurements
±
[(1.0%
×
| reading | ) +
(0.1 div
×
V/div setting) +
0.3 mV]
Net offset = offset -- (position
×
volts/division ) and is
expressed in volts
Nonlinearity, typical < 1 LSB differential, < 1 LSB integral, independently
based