1. Data Handling Hybrid (DHH) Universität Göttingen
9/11/2018
Data Handling Hybrid (DHH)
Ariane Frey
Universität Göttingen
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich

2. All communication from and to the ladders goes through the DHH !
9/11/2018
Tasks of the DHH
Impedance matching
Electrical  optical
Power filtering
Local power regulation (?)
Slow control (JTAG)
All communication from and to the ladders goes through the DHH !
1 DHH per half-ladder (total 40)
Connection between DHP and ATCA DAQ system
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich

3. Data Transmission for the BaBar SVT
9/11/2018
Data Transmission for the BaBar SVT
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich

4. Data Transmission for the BaBar SVT
9/11/2018
Data Transmission for the BaBar SVT
Twisted Pair cables
(24 AWG)
Kapton
Only passive components
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich

5. Overvoltage protection
9/11/2018
“Patch Panel Card”
Proposal: small interconnect card very close to the
Ladders (~ 20 cm)
Impedance matching (& voltage sensing ?)
Power filtering
Kapton  cable
Cannot be just passive, need at least line drivers (radiation tolerance ?)
Twisted Pair
Data Lines (4)
1.25 Gb
Clock, Trigger
JTAG_INPUTs
JTAG_out ?
Power Lines
Overvoltage protection
KAPTON
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich

6. Between Patch Panel and DAQ. In the docks ? Outside ?
9/11/2018
DHH
Between Patch Panel and DAQ.
In the docks ? Outside ?
Voltage regulation: where ? Outside at supplies ?
FPGA: heart of DHH
Multiplex fast data lines, generate clock
JTAG master
Optoconversion
Finisar FTLF8519P2BNL
DEPFET DAQ Meeting MPI March 2010
Ariane Frey, University of Göttingen
Ladislav Andricek, MPI Munich