TB 9-6625-2139-35
(23) Set VERTICAL MODE CH 1 BOTH CH 2 switch to CH 1.
(24) Connect CH1 through 50Ω feedthrough termination to oscilloscope calibrator
CHAN 1.
(25) Press oscilloscope calibrator LEVEL SINE pushbutton to illuminate green
LED.
(26) Set TI VOLTS/DIV, A AND B SEC/DIV settings and oscilloscope calibrator
LEVEL SINE output to
settings listed in
first row of
table 7.
(27) Rotate oscilloscope calibrator knob below EDIT FIELD pushbutton to adjust
amplitude for 6 divisions of vertical deflection on TI.
Table 7. Channel 1
Bandwidth Measurement
Oscilloscope calibrator
LEVEL SINE
Test instrument
Test instrument
output settings
amplitude limits
switch settings
A AND B
(divisions)
SEC/DIV
sweep
VOLTS/DIV
Amplitude
≥
4.2
2
m
12
mV
50 kHz
20 s
to
90 MHz 1
10
m
60
mV
50 kHz
4.2
20 s
to
100 MHz 1
.5
3.0
V
50 kHz
4.2
20 s
to
100 MHz 1
1Press
Set to 50 kHz blue soft button to quickly return to 50 kHz.
NOTE
To perform the step below; press EDIT FIELD pushbutton as
required to place underline under one of the frequency digits.
9