Operator`s manual

Operator’s Manual
922259-00 Rev A 7
Full Calibration Procedure
If the probe pair has been repaired or is to be used on a DA1855A other than the
one it was originally calibrated with, the probe pair should be calibrated using
the following Full Calibration Procedure. The last step is to perform the Short
Calibration Procedure as needed for high slew rate signals.
Required Equipment
Equipment
Description
Differential Amplifier
Teledyne LeCroy Model DA1855A
or Equivalent
Oscilloscopes
150 MHz Minimum Bandwidth
Calibration Generator
Tektronix PG506A or Equivalent
DVM
HP 34401A or Equivalent
DC Voltage Generator
HP 6209B or other stable source of
150V and 300V
Probe Tip to BNC Adaptor (2)
Supplied with probes
BNC T Adaptor
Two female and one male BNC connector,
no resistors
COAX Cables (2)
50 Ohm
Termination, 50 Ohm
If oscilloscope has no 50 Ohm input
impedance
Termination, 75 Ohm
50 Ohm may be substituted
Trimmer Tool
Not supplied with probes
Refer to Figure 1, The DXC100A Board Layout for the location of adjustments,
and to the schematic diagram in Figure 2, The DXC100A Schematic for guidance.
Both figures can be found at the end of this manual.