LeCroy ArbStudio, Manual

Page: 118 / 127

ArbStudio
118
918221 RevA
Signals Description (Pattern Generator, Optional)
The signals available on ArbStudio 1102D/1104D Pattern Generator/Sampler connectors are reported as follows:
Signal Name Type Description
DGND Digital ground
DP[0..17]
Input
Output
Digital pattern generator bidirectional pins
DP[15] / CLK
Input /
Output
Clock generator module output pin or additional input pin
DP[16] / EXT
TRG
Input /
Output
Extended Trigger output pin or additional input pin
DP[17] / WR
RAM
Input /
Output
Write Ram signal used as output pin or additional input pin
DC_TO Output
Digital Connector Trigger out.
Pattern Generator Trigger Out signals are sent to DC_TO pins on Pod A/Pod B
probes.
DC_TI Input
Digital Connector Trigger IN.
When DC Trigger IN Source is enabled (see Settings → Trigger IN menu),
trigger in signal of Pod A Pattern is acquired from DC_TI pin on Pod A, trigger in
signal of Pod B Pattern is acquired from DC_TI pin on Pod B.
The Pulse Width Modulation (PWM) Generator Workspace
Overivew
The PWM Generator consists of three main elements:
•
The Pulse Definition Area ‐ Provides access to pulse waveform parameters.
•
The Duty Cycle Modulation Area ‐ Where you can define the modulation law changing the modulating
shape of the duty cycle and its parameters.