Signals Features - Caen V993 Technical Information Manual

Document type: Title:
User's Manual (MUT) Mod. V993 B Dual Timer

2.4. Signals features

START INPUT:
VETO INPUT:
RESET INPUT:
ENDM OUTPUT:
OUT:
/OUT:
All ECL inputs are 110 Ω terminated, all NIM/TTL inputs are 50 Ω terminated
1
START and RESET share the same 3-position switch: Left → RESET, Middle → NEUTRAL
2
(stable), Right → START
NPO:
00114/00:V993x.MUTx/03
1
Signal features:
NIM: Leading edge sensitive, 2.5 ns minimum FWHM on
LEMO 00 type connector
TTL: Leading edge sensitive, 1.5 ns minimum FWHM on
LEMO 00 type connector
ECL: Leading edge sensitive, 2.5 ns minimum FWHM on a
male pin-couple
START/RESET Switch
operation
Function:
Timer triggering signal
Signal features:
NIM/TTL: TRUE level (within ±2 ns of START leading edge)
on LEMO 00 type connector
ECL: TRUE level (within ±2 ns of START leading edge) on a
male pin-couple
Function:
It disables triggering
Signal features:
NIM/TTL: Leading edge sensitive, 3 ns minimum FWHM on
LEMO 00 type connector
ECL: Leading edge sensitive, 3 ns minimum FWHM on a
male pin-couple
START/RESET Switch
Function:
It stops the timing cycle at any time. After a RESET the
module is at rest until the next START.
Signal features:
NIM: 8 ns wide on LEMO 00 type connector
TTL: 10 ns wide on LEMO 00 type connector
ECL: 8 ns wide on a male pin-couple
Function:
It marks the end of the timing cycle
Signal features:
NIM: 50 ns to 10 s wide, 2 ns rise/fall time, Fan-Out of 2 on
LEMO 00 type connectors
TTL: 50 ns to 10 s wide, 4.5 ns rise/fall time, Fan-Out of 2 on
LEMO 00 type connectors
ECL: 50 ns to 10 s wide, 2 ns rise/fall time, male pin-couple
Function:
Output pulse
Signal features:
NIM: 50 ns to 10 s wide, 2 ns rise/fall time, Fan-Out of 2 on
LEMO 00 type connectors
Filename:
V993B_REV3.DOC
Revision date:
03/03/2004
2
: Momentary switch for single cycle
2
: Momentary switch
Number of pages:
10
Revision:
3
Page:
7