Agilent Technologies 54622D Especificações descarregar pdf (Página 30)

4) You can turn the squarewave into a

pulse train by pressing the Duty

Cycle softkey. Change the duty

cycle to 20% (the range is 20% to

80%), either using the Knob or the

Numerical Keypad. Your 5 Vpp, 1

kHz pulse train, goes between 0 V

and +5 V. Verify that yours looks

like the one to the right.

5) If you need a pulse with a duty cycle less than 20% or more than 80%, use the Pulse

hardkey

Step Four - Creating a Triangle or Ramp Waveform, High Z Load Resistance

1) Press the Ramp hardkey. The resulting waveform is a classic sawtooth shape.

2) By varying the Symmetry, you can make a triangle waveform, and sawtooth waveforms with

different shapes. Try it.

Other Waveforms and Features to Try

Noise (white, not pink) is available. Be sure that Averaging is turned off if you look at noise.

Arbitrary waveforms are non-standard voltages that either are stored in the AWG memory

("Built-In" waveforms) or that you capture and load into the AWG memory. Try pressing the Arb

hardkey, then the Select Wform softkey, then the Built-In softkey, and finally the Cardiac

softkey. To make it realistic, a human cardiac waveform should vary between approximately

0.33 Hz and 1 Hz (corresponding to 180 and 60 beats per minute). For now, to make it easy to

observe on your MSO, set the frequency to 20 Hz (representing, perhaps, a tachycardic

hummingbird after a double espresso); see the display below.

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Agilent Technologies 54622D Especificações Página 30