L1CAL & CAL-TRK LATENCY ver 3.1



updated Jun 13, 05









Step delta-t (clk) delta-t (ns) cumul-t (ns)
Notes
Bunch Crossing
0.0 0.0

Transmit to ADF




BC to signal peak at ADF
700.0 700.0
D.Edmunds 10-Jun-05
sub-total
700.0 700.0

ADF CLK units (ns) 16.5

D.Edmunds 10-Jun-05
Signal peak to MSB output
758.0 1458.0

ADF-to-TAB cables 5 m at 2/3 c 25.0 1483.0
D.Edmunds 12-Jun-05
sub-total
758.0 1458.0

TAB CLK units (ns) 11.0

J. Ban 07-Jun-05
Resynch inputs 17.0 187.0 1645.0

Algorithm (jet=longest) 21.0 231.0 1876.0

Chip-10 to SLDB In
212.8 2088.8

SLDB xmitter in to out
90.0 2178.8
K.Johns - 26-Aug-02
sub-total
720.8 2178.8

CAL-TRK



K. Johns 11-Jun-05
MTCxx processing & output
811.5 2990.3

MTM processing to TFW
620.4 3610.6

sub-total
1431.8 3610.6

TOTAL

3610.6

TFW decision due (Run 2a)

3300.0

Difference

310.6

Run 2a + 6 * 132 ns

4092.0

Difference

-481.4