Configuration; Figure 6-2: Timing Diagram: Mcp Bracket Pulsing - Princeton Instruments PI-MAX4 Manual

Chapter 6
6.4.5

Configuration

MCP Bracket pulse implementation is enabled by selecting
within the host software.

Figure 6-2: Timing Diagram: MCP Bracket Pulsing

Photocathode Gating
As shown in
12 ns, and the insertion delay between
LightField and Gated Operation
Figure 6-2
NOTE:
Because Intensifiers do not respond in the UV, bracket
Gen III
pulsing is not available for these intensifiers.
Trigger In
~12 ns
T0
Off
MCP Gating Off
T0
Gate Start
Gate Stop
Bracket
Aux Out
Figure 6-2, the insertion delay between
NOTE:
The minimum delay between
in bracket mode is 35 ns in order to allow the MCP to
Gating
achieve full gain before the photocathode is gated on.
illustrates the timing diagram for bracket pulsing.
Off
On
On
Off
Trigger In
and
Trigger In Photocathode Gating
and
Trigger In
Bracket Pulsing ON from
T0
Photocathode Gating
MCP Gating
T0 remains high for the
duration of the pulse ensemble.
Switches Photocathode ON
Switches Photocathode OFF
Gates MCP ON and OFF
Delay is programmable.
4411-0139_0048
and T0 is approximately
is 35 ns.
Photocathode
103