PeakTech 4105 Bedienungsanleitung Seite 92

5.2.4 Set Pulse Width
The pulse width represents the time from the 50% threshold of the rising edge of the pulse
to the 50% threshold of the next falling edge. After selecting the pulse function, press the
〖Pulse Width〗 softkey. Then use the knob or numeric keypad to enter the desired pulse
width. The specified pulse width must also be less than the difference between the period
and the minimum pulse width as shown below.
50ns≤Pulse Width≤ Period－50ns
5.2.5 Set Frequency
The output frequency range depends on the function currently selected and the upper limit
for sine depends on the model selected. The minimum frequency is 1μHz for all functions.
For detail specification, please see chapter 5. If you change to a function whose maximum
frequency is less than that of the current function, the frequency is adjusted to the
maximum value for the new function. Except of sine, the distortion of other waves will go
increasing as frequency rising. In practice, you can limits the maximum frequency ba sed on
the desired function distortion.
To set the output frequency, press the 【 Continuous】 key, then the 〖Freq/Period〗 softkey
for the selected function. Then use the knob or numeric keypad to enter the desired
frequency. Or press 〖 Freq/Period〗 softkey again to set using Period. For internally
applying to frequency synthesis, the display period value is the conversed one from enter
value. As limited by resolution of frequency low end and only some interval frequency
points will be output, so the output valu e may not be the entered one with some difference.
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