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2
Features and Functions
30
Function Limitations
If you change to a function where the maximum frequency is
less than the current function, the frequency will be
adjusted to the maximum value for the new function.
For example, if you are currently outputting a 20 MHz sine
wave and then change to the Ramp function, the U2761A
will automatically adjusts the output frequency to 200 kHz
(the upper limit for Ramp).
Duty Cycle Limitations
For Square waveforms, the U2761A may not be able to use
the full range of duty cycle values at higher frequencies as
shown below.
• 20% to 80% (frequency
• 40% to 60% (frequency
If you change to a frequency that cannot produce the
current duty cycle, the duty cycle is automatically adjusted
to the maximum value for the new frequency.
For example, if you currently have the duty cycle set to 70%
and then change the frequency to 12 MHz, the U2761A will
automatically adjusts the duty cycle to 60% (the upper limit
for this frequency).
Soft Front Panel Operation
On the Frequency panel as shown in
desired frequency value and select the unit from the drop
down list. To set the waveform period instead, select Period
.
Figure 2-3 Panel view of the frequency section
≤
10 MHz)
>
10 MHz)
Figure 2-
U2761A User's Guide
3, input the
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