Document type:
Title:
Revision date:
Revision:
User's Manual (MUT)
Mod. V895 16 Channel Leading Edge Discriminator
19/03/09
3
NPO:
Filename:
Number of pages:
Page:
00101/97:V895x.MUTx/03 v895_rev3.doc
25
13
Σ
OUTPUT:
Mechanical specifications:
1 LEMO 00 type connectors.
Electrical specifications:
current output (-1 mA
±
20% per hit), high
impedance; 25 MHz maximum input frequency.
MAJORITY OUTPUT:
Mechanical specifications:
1 LEMO 00 type connectors.
Electrical specifications:
standard NIM logic signal, 50
Ω
impedance.
2.5. Other
components
2.5.1. Displays
The front panel hosts the following LEDs:
DTACK
Type: 1 green LED
Function: VME selected; it lights up during a VME access.
OR
Type: 1 green LED
Function: it lights up if at least one output signal is present.
2.5.2. Switches
ROTARY SWITCHES
Function: they allow to select module’s base address; please refer to Fig. 2.2 for their
setting.
2.5.3. Jumpers
JP1
Function: it allows to select the Majority logic (Internal, External); please refer to Fig. 2.3
for the jumper location on the V895 board.
MODE JUMPERS
16 3-pin jumpers allow to select the channel’s operating mode (updating / non updating);
refer to Fig. 2.3 for the jumpers’ location on the V895 board.