Wavetek 39A Especificaciones descargar pdf (Pagina 62)

User Manual 301/302

to the piece of waveform to be smoothed. The section of waveform

which will be processed will appear on a white background, the rest of

the waveform (not to be processed) will appear on gray.

Filter applies low pass filtering to the selected part of the

waveform (selection made as above). When selecting this function a

pop-up box allows the user to control the roll-off of the filter by

entering a number. The higher the number, the greater the filtering

effect.

Invert inverts the selected part of the signal. Note: this also inverts

the DC component of the signal as well as the AC component.

Using Equation

Editor to Generate

Arbitrary

Waveforms

WaveWiz incorporates an equation editor to enable the user to build

waveforms which can be defined by mathematical functions. It can be

found in the “Wave” Pull down menu. The waveform expression is

entered into the equation field using standard mathematical notation.

Available operations, functions, constants, variables and file types can

be found by clicking on the button. Mathematical waveforms

can be defined in either the whole or a part of the waveform records

and combined with waveforms built using the other methods.

Examples below show how this maybe used to generate waveforms of

varying complexity.

Figure 3.19a Using equation editor to generate one cycle of sine wave

Configuring the Instrument

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Wavetek 39A Especificaciones Pagina 62