Quantum-composers 9250 Series Bedienungsanleitung PDF herunterladen (Seite 29)

9250 Manual Version 1.2 | Quantum Composers

Pressing the unit’s Run/Stop button will place the unit into active mode and generate a pulse

train based on the duty cycle settings. Pressing the unit’s Run/Stop button again will take the

unit out of the active state (which will not produce pulses). Continue this process for additional

duty cycle pulse trains. See “Output Examples” for a visual representation.

*Note: If a divide-by-’N’ function is desired, the duty cycle mode can be used. The duty cycle

mode is a more general case of this operation. To reproduce the divide-by-’N’ function set

the on cycle to 1 and set the off cycle to ‘N’-1, where ‘N’ is the divide by factor.

External Input Overview

The external Trigger/Gate input may be used to trigger the unit or gate the system/channel

timers. When used in trigger mode, the external input acts as a system start pulse.

Conversely, when used in gate mode, the external input acts in a pulse inhibiting fashion.

When the 9250 is in external trigger mode, a single pulse, burst of pulses, or duty cycle

response of pulses may be produced on each active channel for each external input trigger.

Generate a Pulse on Every Trigger Input

To generate a single pulse on every trigger input set the following parameters in the 9250

application:

 Within the System section:

o Set the mode to Single Shot mode.

o Set the desired Period.

o Select the Triggered mode.

o Set the trigger threshold level to ~50% of the incoming signal.

o Select which edge (i.e. rising or falling) to trigger on.

 Within the Channel section:

o Set the mode to Normal.

o Enter the required pulse width and delay. Repeat for each output channel.

o Enable the corresponding channels by clicking “Enabled” in the 9250 application.

Pressing the unit’s Run/Stop button will arm the unit. Once the unit is armed, it will generate a

pulse for every external trigger received. Pressing the unit’s Run/Stop button or clicking the

9250 application’s Run/Stop again will disarm the unit. This mode corresponds to the normal

external mode found on most other pulse generators. See “Output Examples” for a visual

representation.

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Quantum-composers 9250 Series Bedienungsanleitung Seite 29