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Trigger, DAQ, calibration Robert Sulej, październik 2007.

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Presentation on theme: "Trigger, DAQ, calibration Robert Sulej, październik 2007."— Presentation transcript:

1 Trigger, DAQ, calibration Robert Sulej, październik 2007

2 HV trim DAC Trip-t Spartan 3 XCS2000 PROM GAIN SPLITTING COMPONENTS POWER I2CI2C 5V 3.3V 2.5v 1.2V ADC DATA TRIG MINIATURE COAX CONNECTORS Trip-t Front-End Board (TFB)

3 Spill Structure Bunch Structure Spill Structure 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 581ns 58ns 3.53s 5.17µs integrationreset Chip Time Structure A. Weber

4 Trip-t Front-End Board (TFB)

5 Trigger Path PD disc FE FPGA (TFB) output driver V ref amp Trigger FPGA (CTM) m SCINT trigger TPC trigger FE FPGA FE FPGA channel mask (64ch) channel mask (64ch) look for trigger primitives look for trigger primitives N hits in ~10 nsec window N hits in ~10 nsec window drive output drive output Trigger FPGA Trigger FPGA require certain FE FPGA hit pattern require certain FE FPGA hit pattern A. Weber, KEK,

6 TFB0 RMM0 Clk & trg data CTM Trigger Primitives MCM Cosmic trigger Spill trig & # GPS 1Hz/100MHz Clk & trg FPN Gigabit/ Ethernet Acronyms: TFB: TRIP-t front-end board RMM:r/o merger module CTM:cosmic trigger module MCM:master clock module SCM:slave clock module FPN:front-end proc. node (PC) SCM calibration trigger Clk & trg Gigabit/ Ethernet Clk & trg System Overview TPC/FGD front end calibration trigger laser? FPN A. Weber, KEK,

7 D. AllenA. Weber Trigger Sequence - Spill Structure & Cosmics Spill Number Spill Trigger Spill Structure (Bunch) 58ns 260ns 23 Batches / Bunch 1 Batch of N hits Detector Hits 01 Trigger Primitives (1 or 2 bits. Tx at 100MHz ) Cosmic Trigger (Event) Cosmic Trigger Word (Packet) No. of Bits ? [ Valid Event to Readout] Optical Trigger Rate ~ 20 Hz From MCM to RMM via SCM From RMM (260ns + 58ns) x 23 = 7.31us (time may change) 3.53s 5.17us Trigger Primitives (1KHz - 1ms ave) 1 us ~ 1-10 us? ~ 1 us50 ms typ. TFB Event Data (~8K Bytes) RMM Collective Event Data (~350K Bytes) DataTotal Data Into TFB From TFB From CTM Data Readout Trigger Cosmics 1 ms ave.

8 G. F. Pearce, KEK, DAQ architecture


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