BK Precision 4084AWG Manuel d'instructions télécharger pdf (Page 19)

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4080 series Function & Arbitrary/Function Generators –Instruction Manual

waveform mode used to set the sine or square wave parameters. When one of the modulation modes

is active, the parameters of the carrier wave are carried over from the Standard Waveform Settings

(for sine or square). Press【shift】【 SW】to toggle between any of the modulation/sweep modes (to

set the modulation parameters) and the standard waveform mode (to define the carrier settings for

frequency, amplitude and DC offset). On the other hand, the carrier frequency can also be set in the

modulation/sweep menus and if changed, will overwrite the standard waveform frequency setting.

Example: When transitioning from standard waveform mode to FM modulation mode, (by pressing

the FM button) the parameters set previously in “SW” mode carry over to the FM mode and are now

defining the FM carrier. If the FM carrier frequency in the FM modulation menu is changed, it will

also “overwrite” the frequency setting of the standard waveform” settings.

To adjust the duty cycle, enable pulse mode by pressing 【shift】【◄】. Note that the duty cycle

can only be adjusted in pulse mode.

4.3 Waveform Selection:

Enabling common waveforms

Press【shift】 followed by the waveform key to select one of the 5 common waveforms sine, square,

triangle, ramp and pulse. The corresponding waveform annunciator will be displayed in the

waveform display area. Note that the instrument operates in Function Generator mode when

selecting sine and square and in ARB mode for the remaining functions. (Arb annunciator is lit).

Note: The 5 common waveforms can also be output by selecting the corresponding number from the

ArbList in this section.

Example: Press 【Shift】【 FSK/PSK】to enable the triangle waveform

Enabling stored waveforms from the Arb List

Make sure you are in “SW” mode. (All area 4 status annunciators are off). If modulation or sweep

is active, press【shift】【SW】to return to the standard waveform mode.

Press【shift】【►】to enter the ArbList: Waveform,”6: NOISE” is enabled and appears on the display.

Use the knob or the numeric keypad to select one of the 27 stored waveforms from the ArbList

according to the table in this section.

Example: To select negative ramp DOWN_RAMP, do the following:

Press 【shift】【►】(enter ArbList)

Press 【5】【 N】(enable DOWN_RAMP)

select waveform with the knob

Models 4084AWG and 4086AWG only: Locations 28-35 are reserved for the storage of user

defined arbitrary waveforms. The display name for these waveforms is ARB1-ARB8. These

memory locations can be accessed in one of 2 ways:

a) Enter the ArbList, then use the knob or the numeric keypad to enable waveforms ARB1 – ARB8

b) Press 【Shift】followed by any number between 1-8.

Example: Press 【Shift】【 2】to enable waveform stored in memory location ARB2

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BK Precision 4084AWG Manuel d'instructions Page 19