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Document type:
User's Manual (MUT)
Title:
Mod. V812 16 Channel Constant Fraction Discriminator
Revision date:
20/04/2009
Revision:
4
TABLE OF CONTENTS
1.
2.
GENERAL DESCRIPTION....................................................................................................................................5
1.1.
FUNCTIONAL DESCRIPTION ...............................................................................................................................5
1.2.
BLOCK DIAGRAM ..............................................................................................................................................7
1.3.
TECHNICAL SPECIFICATION TABLE ...................................................................................................................8
TECHNICAL SPECIFICATIONS .........................................................................................................................9
2.1.
PACKAGING ......................................................................................................................................................9
2.2.
POWER REQUIREMENTS ....................................................................................................................................9
2.3.
FRONT PANEL .................................................................................................................................................10
2.4.
EXTERNAL CONNECTORS ................................................................................................................................11
2.4.1.
INPUT connectors ....................................................................................................................................11
2.4.2.
OUTPUT connectors ................................................................................................................................11
2.5.
OTHER COMPONENTS .....................................................................................................................................12
2.5.1.
Displays ....................................................................................................................................................12
2.5.2.
Switches ....................................................................................................................................................12
2.5.3.
Jumpers.....................................................................................................................................................12
3.
4.
VME INTERFACE ................................................................................................................................................15
3.1.
ADDRESSING CAPABILITY ..............................................................................................................................15
3.2.
DISCRIMINATOR THRESHOLDS ........................................................................................................................16
3.3.
PATTERN OF INHIBIT.......................................................................................................................................16
3.4.
OUTPUT WIDTH CH. 0 TO 7 AND CH. 8 TO 15 ..................................................................................................16
3.5.
DEAD TIME CH. 0 TO 7 ...................................................................................................................................17
3.6.
DEAD TIME CH. 8 TO 15 .................................................................................................................................17
3.7.
MAJORITY THRESHOLD...................................................................................................................................17
3.8.
TEST PULSE ....................................................................................................................................................17
3.9.
MODULE IDENTIFIER WORDS ..........................................................................................................................17
PRINCIPLES OF OPERATION ..........................................................................................................................19
4.1.
THE CONSTANT FRACTION DISCRIMINATION TECHNIQUE ..............................................................................19
4.2.
POWER ON / RESET STATUS ...........................................................................................................................19
4.3.
SETTING THE DELAY ......................................................................................................................................19
4.4.
ENABLING/DISABLING THE CHANNELS ...........................................................................................................19
4.5.
TEST, VETO AND OR
4.6.
CHANNELS TEST .............................................................................................................................................20
NPO:
00101/97:V812x.MUTx/04
SIGNALS ........................................................................................................................20
Filename:
V812_REV4.DOC
Number of pages:
23
Page:
3