Agilent Technologies 1142A Thermometer User Manual


 
43
Calibration Tests and Adjustment
Adjustment Procedure
3 On the oscilloscope, then press CLEAR DISPLAY. Press AUTOSCALE, then set
up the following parameters.
4 On the oscilloscope, measure the peak-to-peak voltage of the channel 1 signal
and record the reading.
V
p-p
(1) = _____________ mV
5 Disconnect the BNC cable from the channel 1 input and connect it to the BNC
connector on the test board.
6 Connect the output of the probe to the channel 1 input.
7 Carefully connect the input of the probe to the test board in the position shown
in the figure below (signal to + input).
Figure 2-14
Signal to + input
Menu Selection Setting
TIMEBASE (time/div) 500 ns/div
CHAN 1 (sensitivity)
(input R)
100 mV/div
50 DC
TRIG (mode)
source
level
trg’d
EXT
1.00000 V
ACQUISITION Sampling Mode
Memory Depth
Sample Rate
Averaging
# of avg
Real Time
Automatic
Automatic
Enabled
32