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Fast Timing Workshop Krakow, Nov 29 - Dec 1 st 2010 Part 2a.
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Transcript of Fast Timing Workshop Krakow, Nov 29 - Dec 1 st 2010 Part 2a.
![Page 1: Fast Timing Workshop Krakow, Nov 29 - Dec 1 st 2010 Part 2a.](https://reader035.fdocuments.in/reader035/viewer/2022062712/56649c6f5503460f9492179e/html5/thumbnails/1.jpg)
Fast Timing WorkshopKrakow, Nov 29 - Dec 1st 2010
Part 2a
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Gary Varner
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Gary Varner
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ANITA
• RF Transient (impulsive) Events (200‐1200 MHz) (200 1200 MHz) • 324 chan. @ 2.6GSa/s • Completely solar powered Completely solar powered (tight demands on power, few hundred W total) • Need full waveforms
Gary Varner
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Gary Varner
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Gary Varner Design Choices
• Input coupling – Differential versus single-ended input – Needed analog bandwidth – Gain needed?
• Sampling Options – On‐chip PLL/DLL – External DLL – Analog transfer vs interrogate in situ
• ADC and readout options • ADC and readout options – Sequential output select vs random access – On‐chip vs. off‐chip ADC – Serial, parallel, massively parallel
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Gary Varner Constraints
- Analog Bandwidth - Switching noise- Leakage current- Deeper sampling
Extensive radio array for UHE neutrinos- Super B Factory
PID Upgrade – precision timing
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Gary Varner
Design Choices
- Input coupling: diff-s ended, ABW, Gain ?- Sampling options: On-chip PLL/DLL, analog transfer decision
ADC and readout options: On/off-chip, serial/parallel
ABW: C sampling is killing (typ (50 fF x 4k=50pF=10 ns)kT/C noise: 78 fF = 12 bitsLeakage current: Increase C or reduce conversion time: fA → nANDR: even worse in Deep Sub-Micron
Sampling depth: application dependent
ANITA-I
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Gary VarnerANITA
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Gary Varner
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Gary Varner
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Gary Varner
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Gary Varner
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Gary Varner
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Gary Varner
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Gary Varner IRS/Blab3 chips
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Gary Varner
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Gary Varner Blab 1
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Gary Varner Blab1 chip
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Gary Varner (IRS chip)
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Gary Varner (Belle2 Upgrade)
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Gary Varner HPK SL10
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Gary Varner
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Gary Varner
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Miroslav Firlej, Jakub Moron, Marek IdzikAGH University, Poland
(University for Mining)
Development of fast transceivers for serialcommunication and general purpose PLLblock
Possible applications :
– Fast data transmission for the luminosity detector readout at the ILC
Multiplexed readout of multi-channel ADC PLL or DLL based timing for HEP experiments CMOS 350nm
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Miroslav Firlej, Jakub Moron, Marek Idzik
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Miroslav Firlej, Jakub Moron, Marek Idzik
• Second order Phase Locked Loop • “Current starved” VCO
PLL: 1st PLL: – 120MHz, 240MHz, 480MHz and 960MHz 2nd PLL: – One mode (~1GHz), wide frequency range
Low power ~4 mW
Clock and Data Recovery Burst mode CDR (two extra VCO steered by data signal
levels) Every change on data signal line restarts clock generation
with fixed phase shift Data recovery – removes noise and sharpens data slopes
Simple decision circuit with D flip- flop
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Miroslav Firlej, Jakub Moron, Marek Idzik
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Miroslav Firlej, Jakub Moron, Marek Idzik
• Short term plans:
– DLL based transmitter for multichannel ADC in AMS 0.35 μm
– Low power fast (about 1GHz) transceiver in AMS 0.35 μm for
LumiCal data transmission
• Longer term plans:
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Gary Varner, Kurtis Nishimura, Matt AndrewFirst detector and DAQ test results from
the Univ Hawaii picosecond xray beamline
FEL = very tight bunch specs ~ 1ps timing probe
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Gary Varner, Kurtis Nishimura, Matt Andrew
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Gary Varner, Kurtis Nishimura, Matt Andrew
Summary
Access to multi‐project infrastructure (radio‐neutrino, FEL x‐rays, Super KEKB upgrade...) • Test beamline in Watanabe Hall commissioned Fall 2010 • intense flux ~1ps timing • Run ~ 8hrs/week, very easy access • Very nice facilities for • GHz ASIC input coupling, toward 1ps timing studies • ps vacuum, solid‐state detector studies • Integrated (~100 GB/s sustained, TB/s inst.) readout • Fast feature/processing/histogramming • Very easy “Experiment Proposal” procedure...
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Gary Varner, Kurtis Nishimura, Matt Andrew
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Gary Varner, Kurtis Nishimura, Matt Andrew
Phase II:Tunable, mono‐chromatic x‐ray Source
Stabilized optical storage cavity
Tests of new detectors: 3D, new chips
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Gary Varner, Kurtis Nishimura, Matt Andrew
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Gary Varner, Kurtis Nishimura, Matt Andrew
IRS input couplingPilas pulsed laser, gain with a mini-circuit amp, 20 GS/sTek digital scopeTest HPK SL10 MCP + baseCrosstalk tests
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Gary Varner, Kurtis Nishimura, Matt Andrew
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Gary Varner, Kurtis Nishimura, Matt Andrew