BK Precision 4084AWG Manuel d'instructions télécharger pdf (Page 34)

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4080 series Function & Arbitrary/Function Generators –Instruction Manual

“BEEP” setting

Turns the key beep on or off. Select OFF(“1: CLOSE”) or ON (“2: OPEN”). The default is

ON.

Example for system function setting

Configuration: Set power on state [POWER ON] to default and output impedance to 50Ώ

Press【Shift】【 system】 (enter systems menu)

Press【menu】, “POWER ON”, press【1】【 N】 (set power on state to default)

Press【menu】, select “OUT Z”, press【2】【 N】 (configure for load impedance of 50Ω)

4.8 Universal Counter

Overview of Counter functions

This instrument contains a counter with frequency measurement and totalize functionality which is

completely independent from the Arbitrary/function generator section. The range of the frequency

measurement function is 1Hz ~ 100MHz. Repeatedly pressing 【Shift】【 Count】will toggle between

Frequency measurement and Totalize mode.

Press【Shift】and【F.C./TOT】once to activate the frequency measurement mode. Symbols “Ext”

and “Freq” will be displayed in the state field and “WAITING” will flash on the main display. The

unit is now ready to measure and display the frequency of a signal applied to the input terminal

“Meas Freq/TOT IN” in the rear panel. When totalize mode is active, symbols “Ext” and “Count”

will be displayed on the status field along with the result for the count on the main display (“0” is

displayed until a valid signal is detected). The unit is now ready to totalize events represented by the

signal applied to input terminal “Meas Freq/TOT IN” in the rear panel

In event counting mode, press the 【◄】key to start and stop the event counter. When stopped, the

current count will be displayed. Press【►】key to reset the event counter to zero and resume

counting.

Gate time

Only applies to frequency measurement mode. Press【Shift】【 gate】to enter a gate time setting.

Either the numerical keypad or the knob can be used to enter a gate time value. If the gate is open,

the symbol “GATE” is displayed in the counter state field on the right. The range of gate times is

10ms ~ 10s

Low pass filter

By pressing 【Shift】【 LPF】, the input signal will be passed through a low pass filter before being

passed onto the counter circuit. The word “Filter” appears on the right display field to indicate that

the Low Pass Filter is active.

Attenuation

Press【Shift】【 ATT】 to activate the attenuator which attenuates the input signal by a factor 10:1.

“ATT” is displayed on the right to indicate that the input attenuator is active.

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BK Precision 4084AWG Manuel d'instructions Page 34