TB 9-6625-2240-35
Test instrument
Oscilloscope calibrator
VOLTS/DIV
Oscilloscope calibrator
Err display limits
switch settings
Voltage output
%
3
2
m
12
mV
3
51
m
30
mV
3
10
m
60
mV
3
20
m
120
mV
3
50
m
.3
V
3
.1
V
.6
V
3
.2
V
1.2
V
3
.5
V
3.0
V
3
1
V
6.0
V
3
2
V
12.0
V
3
5
V
30.0
V
3
10
V1
60.0
V
1For
Tektronix, Type 475A.
particular TI you are calibrating. Perform appropriate adjustments listed in table 5 for 6
divisions of vertical display on TI.
Parameter
Tektronix
Adjustments
(mV gain)
type
Serial number
(fig. 1) (R)
2
475
Below B250000
CH 1 R125
CH 2 R225
2
475
B250000 and up
CH 1 R195
CH 2 R295
5
475
All SN's
CH 1 R165
CH 2 R265
5
475A
---
CH 1 R195
CH 2 R295
10
475A
---
CH 1 R165
CH 2 R265
Main Sweep Timing
NOTE
For oscilloscopes with digital multimeters attached, refer to
calibration section of digital multimeter manual at this point.
a. Performance Check
(1) Press VERT MODE CH1 pushbutton and set VOLTS/DIV switch to .5 V.
(2) Perform steps (a) through (d) below:
(a) Press oscilloscope calibrator MARKER pushbutton to illuminate green LED
and ensure oscilloscope calibrator output is set to 1.000 ms.
(b) Connect oscilloscope calibrator CHAN 1 to TI CH1 through 50Ω
termination.
