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4 independent sections with 4 inputs each
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OR output with fan out of four per section
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Possibility of cascading channels to form dual 8-fold fan-in/ fan-out
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Input/output delay less than 7 ns
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100 MHz max. input frequency
The Mod. N454 is a single width NIM unit housing 4 independent Fan In-Fan Out sections. Each section accepts 4 input NIM signals and performs on these the logic OR function. The result of the function is available as 4 normal and 2 complementary NIM signals on 6 front panel connectors.
The unit can be programmed, via a front panel switch, to work as 4 OR sections (4 inputs/4 outputs) or 2 OR sections (8 inputs / 8 outputs).
(ISN-GRENOBLE design).
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Compare
|
Image
|
Name
|
Package
|
No. of Sections
|
Type
|
Inputs per Section
|
Outputs per Section
|
I/O Delay (ns)
|
Input Bandwidth (MHz)
|
Connectors
|
|
|
New DT1081B |
Desktop |
null |
Logic |
6 NIM/TTL |
4 NIM/TTL |
20 |
n.a. |
LEMO |
|
|
DT5495 |
Desktop |
null |
Logic User-customizable FPGA: Cyclone V 5CGXC4 (50 K LEs) |
64 ECL/PECL/LVDS +2 bidirectional NIM/TTL (expandable up to 162) |
32 LVDS +2 bidirectional NIM/TTL (expandable up to 130) |
n/a |
Section A/B: 200, Section C/D: 250 |
Robinson Nugent Flat/LEMO |
|
|
V925 |
VME |
null |
Linear |
3x4+1x3 Bipolar |
3x4+1x3 Bipolar |
< 4 |
120 |
LEMO |
|
|
N1081B |
NIM |
null |
Logic |
6 NIM/TTL |
4 NIM/TTL |
20 |
n.a. |
LEMO |
|
|
V2495 |
VME |
null |
Logic User-customizable FPGA: Cyclone V 5CGXC4 (50 K LEs) |
64 ECL/PECL/LVDS +2 bidirectional NIM/TTL (expandable up to 162) |
32 LVDS +2 bidirectional NIM/TTL (expandable up to 130) |
n/a |
Section A/B: 200, Section C/D: 250 |
Robinson Nugent Flat/LEMO |
|
|
N625 |
NIM |
null |
Linear |
4 Bipolar |
4 Bipolar |
< 4 |
100 |
LEMO |
|
|
N454 |
NIM |
null |
Logic |
4 NIM |
4+/2 NIM |
< 8 |
100 |
LEMO |
Technical Specifications
|
Packaging |
One unit wide NIM module |
|
Number of Inputs |
4 per channel |
|
Input Levels |
Std. NIM levels on 50 Ohm impedance |
|
Reflections |
<15% for input risetimes >2 ns |
|
Quiescent Level (VDC) |
-20 mV < VDC < 20 mV |
|
Signal Width |
5 ns min., FWHM |
|
Coupling |
Direct |
|
Number of Outputs |
4 normal; 2 complementary per channel |
|
Output Levels |
Std. NIM levels on 50 Ohm impedance |
|
Rise-times and Fall-times |
2.7 ns typical, 3.5 ns max. |
|
Width |
Equal to the logical sum of the input durations |
|
Input/Output Delay |
7 ± 0.5 ns |
|
Connectors |
16, “IN”. |
|
Displays |
Front-panel LEDs located between upper/lower pair channels which are combined. When the front-panel switch is set to 2×8 position these LEDs would be alighted meaning that upper pair channels and the lower pair channels have been paralleled. |
|
Switches |
1 front-panel switch for channel paralleling |
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