研究目的
Design and test a low-power, low-latency, dual-channel transmitter ASIC for detector front-end readout.
研究成果
LOCx2-130 is a two-channel transmitter ASIC designed for the ATLAS LAr Calorimeter Phase-I trigger upgrade, achieving a latency of less than 40.7 ns and a power consumption of about 440 mW. It meets the design goals and is suitable for high-intensity radiation environments.
研究不足
The design's radiation tolerance and performance under high-intensity radiation environments were tested, but the extrapolated bit error rate for future HL-LHC applications is based on limited fluences accumulated in the test.
1：Experimental Design and Method Selection:
The design includes two channels of encoders and serializers, each operating at
2：8 Gbps, interfacing with three types of ADCs. Sample Selection and Data Sources:
The ASIC interfaces with an ASIC ADC and two COTS ADCs.
3：List of Experimental Equipment and Materials:
Fabricated in a commercial 130-nm CMOS technology, packaged in a 100-pin QFN package.
4：Experimental Procedures and Operational Workflow:
The ASIC's performance was characterized through eye diagrams, bit error rate tests, latency measurements, and radiation tolerance tests.
5：Data Analysis Methods:
Performance metrics such as power consumption, latency, and error rates were measured and analyzed.
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