... | ... | @@ -6,9 +6,11 @@ |
|
|
- 1 input, selectable between front panel and FMC connector. This
|
|
|
input is shared by all output channels.
|
|
|
- Input electrical standard will be TTL, with optional 50 Ohm
|
|
|
termination. A LED will signal termination status.
|
|
|
termination. The default power-up state is high impedance. A LED
|
|
|
will signal termination status.
|
|
|
- Output standard: 50 Ohm TTL drivers (with 2V/ns or faster rising
|
|
|
edges).
|
|
|
edges). At power-up the default output state is low, with no
|
|
|
glitches.
|
|
|
- SMC connectors for input and outputs.
|
|
|
- 4 individually controllable outputs, with independent delay, width
|
|
|
and enable/disable.
|
... | ... | @@ -22,9 +24,9 @@ |
|
|
should not exceed 100 ps. This should hold for any programmed delay
|
|
|
within the whole delay range.
|
|
|
- A circular buffer will contain time tags for at least the last 100
|
|
|
input pulses. These time tags will at first be rough UTC (counter
|
|
|
initialized by SW) giving ~ms accuracy. Later, with a WR-enabled
|
|
|
solution, they can be much more accurate.
|
|
|
input and output pulses. These time tags will at first be rough UTC
|
|
|
(counter initialized by SW) giving ~ms accuracy. Later, with a
|
|
|
WR-enabled solution, they can be much more accurate.
|
|
|
|
|
|
# Preliminary ideas for the technical specifications
|
|
|
|
... | ... | @@ -50,6 +52,10 @@ |
|
|
<td>30-04-2010</td>
|
|
|
<td>First meeting with N. Voumard to fine-tune functional specs</td>
|
|
|
</tr>
|
|
|
<tr class="even">
|
|
|
<td>20-05-2010</td>
|
|
|
<td>Second functional specs meeting with the ABT team</td>
|
|
|
</tr>
|
|
|
</tbody>
|
|
|
</table>
|
|
|
|