Publication No. 980935 Rev. A
3152B User Manual
automatically.
The functional groups listed above are explained in detail below.
General Parameters
The General Parameters group contains two parameters: Amplitude
and Offset.
To access a parameter, click on its name. The LED next to the
parameter then changes to “on” and the display shows the current
value. You may use the dial, keyboard, or [
↑
] and [
↓
] keys to adjust
the value. After you change the value, click on the Modify/Execute
knob to update the 3152B.
Wave Mode
The Wave Mode group is used for selecting which of the available
waveforms will be generated at the output connector. The 3152B
provides five types of waveforms: Standard, Arbitrary, Sequenced,
Modulated, and Half Cycle. Click one of these buttons to select the
waveform type. The default function type is Standard. If you want to
change the Standard waveform parameters, you may select
Standard from the Panels bar.
Run Mode
Using the controls in the Run Mode group, you may select
Continuous mode or one of the interrupted modes (Triggered,
Gated, or Burst). There is no additional panel for Continuous mode,
but if you click one of the other run mode options, then you may
adjust the trigger parameters from the Trigger panel.
PLL
The PLL group is used for turning the PLL function on, selecting the
reference source, and for adjusting the PLL offset.
SYNC Output
SYNC Output group has buttons that control the state of the SYNC
output and the position and width of the sync pulse relative to the
waveform. It also has buttons to control the VXIbus backplane
TTLTrg0-7 and ECLTrg1 outputs and the sync validation source.
Click on the State buttons to toggle the outputs on and off.
The operation of the SYNC output is explained in Chapter 3. Note
that the position parameter affects the output only when placed in
BIT, LCOM, or Pulse mode, and the width affects the output only
when Pulse mode is selected.
Output
The Output Control group controls the state of the main output only.
Click on the State buttons to toggle the outputs on and off.
The load impedance button allows you to calibrate the output
amplitude to compensate for the actual load impedance value. The
default impedance is 50
Ω
, and the output level is adjusted in
reference to this value. If the actual load impedance is higher than
50
Ω
, make sure the impedance setting matches the actual load
impedance.
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