3152B User Manual
Publication No. 980935 Rev. A
3-34
Operation
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generate half-cycle sine waveforms where the
halves are separated by 1
μ
s delay intervals.
From this point you can change one or more of the half cycle
parameters just as they would be programmed for the standard
waveform generator. Use the following commands to select one of
the half cycle waveforms:
half:shap sin
Selects the sine waveform to be generated
using the half cycle function.
half:shap tri
Selects the triangular waveform to be
generated using the half cycle function.
half:shap squ
Selects the square waveform to be generated
using the half cycle function.
After you select the function and waveform, you may program other
parameters to adjust the waveform specifically for your application.
You may adjust the start phase for the sine and triangular
waveforms, or the duty cycle for the square waveform, and you may
program the amount of delay between the half cycles.
Chapter 5 contains programming references that will allow you to
program all of the half cycle parameters.
Using the
Counter/Timer
You may use the 3152B as a counter/timer instrument. When using
this function, you may select the measurement function, gate time,
and trigger level, and then hold the measurement until you require a
reading. The reading is then taken and passed to the host computer
for processing.
The 3152B cannot perform as a counter/timer and generate
waveforms at the same time. When placed in counter/timer mode,
all waveform patterns are purged from the waveform memory, and
the 3152B can be used only for measurements.
The counter/timer function provides a means of measuring
frequency and timing characteristics of external signals. Use the
commands given below to select the counter/timer mode and set up
a measurement function.
func:mod coun
Selects the Counter/Timer allowing frequency
and time measurements on external signals.
Once you have selected the Counter/Timer mode, you may select
the specific measurement function. Available functions include:
•
Frequency
•
Period
•
Period
averaged
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