Detectors and read-out

Detector No. of ch. Read-out method Device candidates

CsI(Tl) 768 Flash ADC COPPER + 65 MHz FADC FINESSE

Active Polarimeter 600 x 12 x 2 = 14400

QTC + Pipeline TDC

COPPER + QTC + FPGA TDC FINESSE

MWPC ~200 QTC + Pipeline TDC

COPPER + QTC + FPGA TDC FINESSE

GEM ? QTC + Pipeline TDC

COPPER + QTC + FPGA TDC FINESSE

Active Target (MPPC?)

~500 QTC + Pipeline TDC

COPPER + QTC + FPGA TDC FINESSE

Counters ~120 QTC + Pipeline TDC

Pipeline HR-TDC

COPPER + QTC + FPGA TDC FINESSE

COPPER + HR-TDC FINESSE

QTC

• QTC : Charge to time converter– ICRR SK group have developed QTC ASIC

since 2004.– Practical version of QTC will develop this

year.– Production of QTC will go in 2008.

– KEK group is developing ASIC for charge measurements.

ICRR SK group’s slides (signal processing)

ICRR SK group’s slides (basic performance of QTC ASIC)

ICRR SK group’s slides (linearity of QTC)

ICRR SK group’s slides (time resolution of QTC)

ICRR SK group’s slides (Read-out board Q-bee)

Device Candidates (Pipeline TDC)

• TDC for Chambers and Counters– FPGA base TDC FINESSE

• Same hardware with MWPC encoder• 1GHz counting / 1nsec resolution

– 4 different phase 250 MHz clock

• 32 ch / card• Basic components are working.

– AMT-FINESSE• Timing resolution : 0.78 ns/bit• Dynamic range :17 bit• 24 ch / card• Ready

Device Candidates(FADC)

• FADC for CsI(Tl) charge– 65MHz FADC-FINESSE

• 65 MHz sample, 12bit FADC• 8ch / card• Differential input• self trigger-acceptable

Device Candidates (HR-TDC)

• High resolution TDC for TOF– acam TDC chip, TDC-GP2, TDC-GPX

• TDC-GP2 : 50ps rms resolution, 1.8msec measurement range

– High speed TMC ASIC• ~30 psec resolution (aim)• R&Ds are progressing in KEK

Research schedule

2007 2008 2009 2010 2011

QTC Debugging by ICRR person

Negotiation with ICRR person

Develop

modules

production

HR-TDC Evaluation acam chip and KEK ASIC

Develop modules

production

FADC for CsI(Tl)

Read-out test with CsI(Tl) Modify for TREK detectors

production

FPGA TDC

Develop and debugging

Modify for TREK detectors

production

KEK-VME System- A Versatile Read-out System -

KEK-VME crateVME crate with extended power supply

Front-end daughter card•500MHz, 8bit FADC•65MHz, 12bit FADC•TMC•…

Read-Out module KEK-VME G.G/C.G.

KEK-VME general I/O(NIM/ECL/LVDS)

Read-out partTrigger part(Replace for NIM module)

Read-out module (COPPER)COPPER• 9U euro card(VME)• 4 Front-end A/D card slot• Processor PMC slot (on-board PC)• Trigger module slot • general PMC slot• VME-32 interface• 1MB x 4 FIFO• 32bit 33MHz PCI bus• 2 network interface

– Processor module– On-board NIC

A/D card slot

A/D card slot

A/D card slot

A/D card slot

Trigger moduleSlot (PMC)

PMC slot

PMC slot(Processor)

PC

I (PM

C)

VM

E

Network Radisys EPC-6315

•800 MHz Pentium IIIm•Up to 512 MB SDRAM with ECC.•10/100 BaseT Ethernet port•On-board Compact Flash socket.•32-bit 33/66 MHz PCI bus interface.

•Standard Linux working