DORIC OTPG 8 Manual do utilizador - Página 10

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Square Mode

The Square channel mode allows the creation of a square TTL pulse sequence. The Sequence Options of this mode

are shown in Figure

2.10

1. The Starting Delay de nes the time between the activation of the pulse sequence and the beginning of the

signal.

2. The Frequency sets the frequency (in Hz), which is the number of pulses per second. The frequency can also be

changed to the Period. For example, a signal at 10 Hz (frequency) will output one pulse every 100 ms (period),

whereas a signal at 0.5 Hz (frequency) will output one pulse every 2 seconds (period).

3. The Time ON de nes the length of a single pulse. This time can also be converted to a Duty Cycle, which

represents the % of the period the pulse duration corresponds to.

4. The Pulse(s) per sequence set the number of pulses per sequence. If it is set to 0, the number of pulses will be

in nite.

5. The Number of sequence(s) sets the number of times that the sequence will be repeated.

6. The Delay between sequences sets the delay between each sequence.

7. The Total Duration shows the total expected duration of the pulse sequence. Should the duration be in nite,

the box will display

Input Mode

The Input mode (Fig 2.11) records a signal as long as there is a high TTL signal on the chosen console channel.

The channel can then be used as a trigger source for all the other channels of the OTPG. No Sequence Options or

Sequence Previews are available for this mode.

Chapter 2. Operations Guide

Figure 2.10: Sequence Options of the Square Channel Mode.

and are explained below.

. If there is an error in parameter selection, this box will display N/A.