7-2
Wave Functions (6221 Only)
Model 6220/6221 Reference Manual
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Overview
Section overview
Following a brief “
” for the four types of waveforms (sine,
square wave, ramp, and arbitrary), the documentation in this section provides
detailed information on characteristics, front panel operation, and SCPI command
programming for each type of wave function as follows:
•
Wave function characteristics, page 7-3
•
Front panel wave function operation, page 7-14
•
Remote wave function operation, page 7-21
Wave function overview
The Model 6221 Current Source can generate four general types of current wave-
forms. The amplitude range for all functions is from 1pA to 105mA peak (210mA
peak-to-peak). Waveform types include:
Sine function
– The Model 6221 can generate sine wave currents with a fre-
quency range from 1mHz to 100kHz.
Square wave function
– The frequency range for square waves is 1mHz to
100kHz with variable duty cycle.
Ramp wave function
– The Model 6221 can generate ramp or triangle waves
with a frequency from 1mHz to 100kHz with variable duty cycle.
Arbitrary waveform function
– The Model 6221 can store up to four user-
defined arbitrary waveforms with 2 to 65,535 points with a frequency range of
1mHz to 100kHz. Note that arbitrary waveforms can be defined only via remote,
but once defined, can be selected from the front panel.
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Summary of Contents for 6220
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