Directed Electronics PDG-2515/2520 - page 19

PDG-2515/2520 Operating Manual
Page 12 MNPDG2515-2520R0.doc
© 2004 Directed Energy, Inc.
Figure 2 Timing Diagram
Please note that in external trigger mode, all outputs are delayed from the
leading edge of the external trigger signal.
Pulse Generator Mode
In Pulse Generator Mode, the PDG-2515 generates pulses at the
specified frequency denoted in the CHANNEL MENU (changing the
frequency on either channel will change the frequency on both channels
simultaneously – the frequencies are not independent in this mode). If
externally triggered, the rate is set by the external trigger (i.e. one pulse is
output each time a rising edge occurs on the TRIGGER input.
The delay of each of the outputs is relative to the leading edge of the
SYNC output in internal frequency generator and single shot modes. In
external trigger mode, the delay is relative to the leading edge of the
external trigger input.
The pulse width and delay for each channel are independently variable.