20
Output Amplitude Calibration
This procedure is used to calibrate the amplitude
of the front panel output drivers. You will adjust
calibration values to get a -0.800 VDC pulse
into a high impedance load on the T0, A, B, C,
D, AB and the CD outputs.
___
Recall default settings: RECALL 0
EXC
___
Use the TRIG Menu key to select Int
trigger. Press TRIG again to set the rate
to 100 KHz.
___
Use the DELAY Menu key to set the
delays for channel B and channel D to
5 µs.
___
Use the OUTPUT Menu key to set all the
outputs for High-Z loads, NIM logic levels.
(between 0 and -0.8 VDC.) Do this for T0,
A, B, AB, C, D and CD outputs.
For each of the outputs T0, A, B, AB, C, D and CD:
___
Connect the output to the oscilloscope
input (1 M
Ω
input, 200 mV/div sensitivity ).
___
Hold down the BSP key and press the GPIB
key to access the amplitude calibration
factor for the corresponding channel.
___
Use the Up/Down cursor keys to adjust the
amplitude of the output to -0.800 VDC.
CALIBRATION MENUS
To access the calibration menus you must hold down the BSP key then press a menu key. Each menu key
is used to access a different calibration factor per the following table:
Menu Key
Name
Function
TRIG
Jitter Cal
Minimize jitter from Ext Trig to A
DELAY
Delay T0
Set T0's full scale analog delay
Delay A
Set A's full scale analog delay (do not alter this value)
Delay B
Set B's full scale analog delay
Delay C
Set C's full scale analog delay
Delay D
Set D's full scale analog delay
GPIB
Amplitude T0
Adjust T0's amplitude
Amplitude A
Adjust A's amplitude
Amplitude B
Adjust B's amplitude
Amplitude AB
Adjust AB's amplitude
Amplitude C
Adjust C's amplitude
Amplitude D
Adjust D's amplitude
Amplitude CD
Adjust CD's amplitude
Trigger Thres
Calibrate Ext Trig Input threshold
OUTPUT
Offset T0
Adjust T0's output offset
Offset A
Adjust A's output offset
Offset B
Adjust B's output offset
Offset AB
Adjust AB's output offset
Offset -AB
Adjust -AB's output offset
Offset C
Adjust C's output offset
Offset D
Adjust D's output offset
Offset CD
Adjust CD's output offset
Offset -CD
Adjust -CD's output offset
STORE
Freq Cal
Set optional TCXO to 10.000000 MHz
RECALL
Rcl Fact Cal
Press EXC to recall factory calibration
