How to use your pulse generator
18
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pg900ug.en r1
3.3
Free-running operation for TD outputs
TD outputs are available with the PicoSource PG912 and PG914 pulse generators with
connected TD pulse heads (see
).
1.
To switch on the positive TD generator click
TD Head1 Out
in the
Output
menu,
and then click
On
. The generator will automatically identify the polarity of the TD
head connected to the
DRIVE 1
output.
2.
Make sure that the
Period Source
is set to
Int Clock
.
3.
Make sure that the
Trigger
is set to
Continuous
.
4.
Set the
Period
in the
Timing
menu to provide the operation rate. Set the desired
period value from 1 µs to 1 s (1 MHz to 1 Hz).
5.
Set the
Width
in the
Timing
menu. Set the desired width value from 200 ns to
4 s. If necessary, set the
TD Current
to
Manual
.
6.
Use the
Sensitivity
control to optimize the current value through the tunnel
diode to get the optimal trigger point.
7.
To switch on the negative TD generator click
TD Head2 Out
in the
Output
menu, and then click
On
.
8.
Repeat step 4 for negative TD output.
9.
Under
Deskew
,
set the desired delay value which can be set up to 500 ps for
each channel.
Summary of Contents for PicoSource PG900 Series
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