Edge
Press the NEXT key until the Edge parameter is high-
lighted. Set the instrument to trigger off the rising edge
or falling edge as desired.
Pulse Width, Delay
Enter the Channel menus by pressing the letter key.
Enter the required pulse width and delay. Repeat for
each output channel.
Start
Press the RUN/STOP key to start/arm the instrument.
The 9520 will now generate a pulse for every valid trig-
ger.
Stop
Press the RUN/STOP key a second time to stop/dis-
arm the instrument (i.e. to stop generating pulses).
System Timer Overview
For internal operation, the 9520 contains a timer and mode generator which
generates an internal T
o
clock that is used to trigger all the channel timers. Sys-
tem modes are controlled via the MODE menu.
To Use Continuous Mode
The RUN/STOP button starts and stops a continuous pulse stream at the rate
specified by the Rate menu. This corresponds to the normal output mode for
most pulse generators. To generate a continuous stream of pulses:
- within the system Modemenu
Mode
Select Continuous for the system mode.
- within the Ratemenu
Source
Select the system oscilator or the external clock in fre-
quency.
Period
Set the desired period.
Pressing the RUN/STOP key will now generate a stream of T
o
pulses, at a rate
specified by the period parameter.
To Use Single Shot Mode
To generate a single pulse with every press of the RUN/STOP key:
- within the system Mode menu
Mode
Select Single Shot for the system mode.
Pressing the RUN/STOP key will now generate a single pulse.
