Document type:
Title:
Revision date:
Re vision:
User's Manual (MUT)
N1145 Quad Scaler and Preset Counter/Timer
05/11/2003
0
NPO:
Filename:
Number of pages:
Page:
00115/01:N1145.MUTx/00
N1145_REV0.doc
14
7
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one NIM output, a pulse generated when the counter
contents become zero. Pulse width is adjusted with
trimmer between 50 ns and 1 µs.
All connectors are LEMO 00 type.
2.3. Front panel switches
MODE SELECTION SWITCHES (Section 1 ÷ 4)
Function: they allow to select the operating mode (see § 3.1).
RESET PUSHBUTTONS (Section 1 ÷ 4)
Function: they allow to clear the relevant section (see § 3.1).
SOURCE SELECTION SWITCH (Section 5)
Function: it allows to select the operating mode (see § 3.2).
SINGLE/REPEAT SWITCH (Section 5)
Function: it allows to select the counter cycling (see § 3.2).
FREQUENCY SELECTION SWITCH (Section 5)
Function: it allows to select the internal clock frequency (see § 3.2).
LOAD PUSHBUTTON (Section 5)
Function: it allows to load the thumb switches value (see § 3.2).
THUMB SWITCHES (Section 5)
Function: they allow to set the counter/timer datum (see § 3.2).
