Table 7. Channel 1 Vertical Gain Accuracy

Vertical Gain Accuracy - TB-9-6625-2251-350007

Bandwidth Accuracy - TB-9-6625-2251-350009

TB-9-6625-2251-35 Oscilloscope OS-291/G Manual
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TB 9-6625-2251-35

b. Select: CH1 COUPLING/INVERT and set: DC to on and 50Ω to off.

c. Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 output to TI CH 1

input connector, oscilloscope calibrator SOURCE/MEASURE CHAN2 output to TI CH 2

input connector. Rotate CH 1 VOLTS/DIV knob to set CH 1 for 2 mV indication in upper

left portion of crt.

d. Rotate HORIZONTAL A AND B SEC/DIV knob for 500 s indication on crt.

e. Set oscilloscope calibrator to a VOLTAGE output of 8 mV and frequency of 1 kHz.

f. Rotate TRIGGER LEVEL knob as necessary to obtain a triggered display.

g. Adjust oscilloscope calibrator knob located below the EDIT FIELD key for 4

divisions displayed on TI crt. Err displayed on oscilloscope calibrator will be within 2.0

percent.

h. Repeat technique of e through g above for CH1 with settings listed in table 7 below.

Err displayed on calibration generator will be within tolerance listed.

Table 7. Channel 1 Vertical Gain Accuracy

Oscilloscope calibrator

CH1 VOLTS/DIV

VOLTAGE

Err display

settings

(%)

2mV

8mV

2.0

5mV

20 mV

2.0

10 mV

40 mV

2.0

20 mV

80 mV

2.0

50 mV

200 mV

2.0

100 mV

400 mV

2.0

200 mV

800 mV

2.0

500 mV

2.0

20 V

2.0

i. Set oscilloscope calibrator to standby and select oscilloscope calibrator CHAN 2.

Select: VERTICAL MODE, set: CH 1 to off and set: CH 2 to on.

j. Repeat technique of b, and e through g above for CH 2, with settings in table 8

below.

Table 8. Channel 2 Vertical Gain Accuracy

Oscilloscope calibrator

CH2 VOLTS/DIV

VOLTAGE

Err display

settings

(%)

2mV

8mV

2.0

5mV

2.0

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