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EnglishThe Omega3/LHCl pixel detector readout chip comprises a matrix of 128 X 16 readout cells of 50 mu m X 500 mu m and peripheral functions with 4 distinct modes of initialization and operation, together more than 800 000 transistors. Each cell contains a complete chain of amplifier, discriminator with adjustable threshold and fast-OR output, a globally adjustable delay with local fine-tuning, coincidence logic and memory. Every cell can be individually addressed for electrical test and masking, First results have been obtained from electrical tests of a chip without detector as well as from source measurements, The electronic noise without detector is similar to 100 e(-) rms. The lowest threshold setting is close to 2000 e(-) and non-uniformity has been measured to be better than 450 e(-) rms at 5000 e(-) threshold. A timewalk of < 10 ns and a precision of < 6 ns rms on a delay of 2 mu s have been measured. The results may be improved by further optimization.
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| Titolo: | LHC1: A semiconductor pixel detector readout chip with internal, tunable delay providing a binary pattern of selected events |
| Autori: | |
| Data di pubblicazione: | 1996 |
| Rivista: | |
| Citazione: | LHC1: A semiconductor pixel detector readout chip with internal, tunable delay providing a binary pattern of selected events / Heijne EHM; Antinori F; Barberis D; Becks KH; Beker H; Beusch W; Burger P; Campbell M; Cantatore E; Catanesi MG; Chesi E; Darbo G; DAuria S; DaVia C; Di Bari D; DiLiberto S; Gys T; Humpston G; Jacholkowski A; Jaeger JJ; Jakubek J; Jarron P; Klempt W; Krummenacher F; Knudson K; Kubasta J; Lassalle JC; Leitner R; Lemeilleur F; Lenti V; Letheren M; Lisowski B; Lopez L; Loukas D; Luptak M; Martinengo P; Meddeler G; Meddi F; Middelkamp P; Morando M; Morettini P; Munns A; Musico P; Pellegrini F; Pengg F; Pospisil S; Quercigh E; Ridky J; Rossi L; Safarik K; Scharfetter L; Segato G; Simone S; Smith K; Snoeys W; Sobczynski C; Stastny J; Vrba V. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - 383:1(1996), pp. 55-63. |
| Abstract: | The Omega3/LHCl pixel detector readout chip comprises a matrix of 128 X 16 readout cells of 50 mu m X 500 mu m and peripheral functions with 4 distinct modes of initialization and operation, together more than 800 000 transistors. Each cell contains a complete chain of amplifier, discriminator with adjustable threshold and fast-OR output, a globally adjustable delay with local fine-tuning, coincidence logic and memory. Every cell can be individually addressed for electrical test and masking, First results have been obtained from electrical tests of a chip without detector as well as from source measurements, The electronic noise without detector is similar to 100 e(-) rms. The lowest threshold setting is close to 2000 e(-) and non-uniformity has been measured to be better than 450 e(-) rms at 5000 e(-) threshold. A timewalk of < 10 ns and a precision of < 6 ns rms on a delay of 2 mu s have been measured. The results may be improved by further optimization. |
| Handle: | http://hdl.handle.net/11586/105181 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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