摘要——我们提出了一个比其他直接量子计量三角比较具有一些优势的实验。首先,通过使用可校准的低温电阻,量化霍尔电阻 (QHR) 标准只需在短时间内使用。其次,该实验不需要电压检测器。这消除了一个外部噪声源并允许快速电流反转。第三,主要比较系统中也没有可能导致过度噪声和超导量子干涉装置通量跳跃行为的反馈。该实验可以在更高的电流下运行,并且长时间无人监督,从而受益于噪声的统计降低。我们开发了一种低温电流比较器,用于直接根据 QHR 校准低温电阻。
a 捷克科学院物理研究所,Na Slovance 2, 18221 Prague 8,捷克共和国 b 查理大学数学与物理学院,V Holesovickach 2, Prague, CZ18000,捷克共和国 c 伯明翰大学物理与天文学院,伯明翰 B152TT,英国 d 国立微电子中心(IMB-CNM,CSIC),Campus UAB-Bellaterra,08193 Barcelona,西班牙 e 粒子物理研究所,IFIC/CSIC-UV,C/Catedr´atico Jos´e Beltr´an 2, E-46980 Paterna,瓦伦西亚,西班牙 f 约瑟夫·斯特凡研究所实验粒子物理系,Jamova 39,SI-1000 Ljubljana,斯洛文尼亚 g加利福尼亚大学圣克鲁斯分校,美国加利福尼亚州 95064 h 西蒙弗雷泽大学物理系,加拿大不列颠哥伦比亚省本那比市 8888 University Drive V5A 1S6 i TRIUMF,加拿大不列颠哥伦比亚省温哥华市 4004 Wesbrook Mall V6T 2A3 j 筑波大学纯粹与应用科学研究所,日本茨城县筑波市 Tennodai 1-1-1 305-8571 k 多伦多大学物理系,加拿大安大略省多伦多市 Saint George St. 60 M5S1A7 l 高能加速器研究组织 (KEK) 粒子与核研究所,日本茨城县筑波市 Oho 1-1 305-0801
Aug 23, 2024 — The resistor is 5.80 $2and a 2.50 T magnetic field is directed ... N (to the right). (b) At what rate is energy delivered in the resistor? W a ...
Table 3-1: SFL-Sinclair Interplanetary Reaction Wheel Specifications ........................ 26 Table 3-2: Reaction Wheel DC Motor Parameter Estimates ....................................... 47 Table 3-3: RW0.03 Shunt Resistor Sizing .................................................................... 55 Table 3-4: RW0.06 Shunt Resistor Sizing ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... .............................................................................................................................................. 64
材料法案数量指示符描述Vishay P / N 1 B1 196 HVC Enycap™4 F / 4.2 V,堆叠水平MAL219691113E3 4 B2,B3,B4,B4,B5 SMD ENYCAP™,每个2.1 V,每个(8 mm x 11 mm,9 mm x 22 mm x 22 mm x 22 mm) ILSB0603ER100K 1 C1 Ceramic capacitor: 100 nF, 10 V, 10 %, X7R, 0402 VJ0402V104ZXQPW1BC 1 C2 Ceramic capacitor: 1 nF, 50 V, 5 %, X8R, 0402 VL0402H102JxAPxxx 1 C3 Ceramic capacitor: 10 nF, 10 V, 10 %, X7R, 0402 1 C4 Ceramic capacitor: 1 μF, 25 V, 20 %, X5R, 0402 1 CBOOST Ceramic capacitor: 22 μF, 10 V, 20 %, X5R, 0603 1 CSRC Ceramic capacitor: 10 μF, 10 V, 20 %, X5R, 0603 2 CBATT, CSRC2 150 μF, ± 20%,6.3 V陶瓷电容器X5R,1206(3216公制)3 CBUCK,CHV,CLV陶瓷电容器:10μF,10 V,20%,20%,X5R 1 D1 Schottky BAT54 300 MA,40 V BAS16D-E3 1 D4 LED 0402 RED替代:VLMS15002 d5 d5 d5 04 04 VLMG1500-GS08 1 D6齐纳5.1 V,300 MW,2针SOD-323 BZX384C5V1-E3 1 lboost低剖面,高电流,屏蔽电感器IFSC1008ABER100M01 1 PIN,3杆,3杆1 Q1 N-CHANNEL 60 v,30 v,1 Q1 N-CHANNEL 60 v,SOT23,1.SOT:8 Ω 2N7002K-T1-E3 1 R1 Thick film resistor: 7.15 M Ω , 0603, ± 1 %, AEC-Q200 CRCW06037M15FKEA 1 R1b Thin film resistor: 100 k Ω , 0603, ± 0.1 % MCT06030C1003FP500 1 R2 Thick film resistor: 3.48 M Ω , 0603, ± 1 %, AEC-Q200 MCT06030C3834FP500 1 R2_b Resistor: 0 Ω - 0603, resistor 0 Ω - 0603 solder bridge CRCW06030000Z0EA0C 1 R3 Thick film resistor: 383 k Ω , 0402, ± 1 % CRCW0603383KFKEA
8.1。APPLICATION CIRCUIT ......................................................................................................................................................... 8 8.2.MCU I/O PROTECTION .......................................................................................................................................................... 9 8.3.THE VALUE OF STATUS PULL-UP RESISTOR ........................................................................................................................ 9 8.4.INDUCTIVE CLAMP ............................................................................................................................................................. 10
6.6.1电源电缆连接。........................................................................................... 21 6.6.2 Communication Cable Connection.......................................................................... 22 6.6.3 120ΩResistor Connection......................................................................................... 23 6.6.4 Grounding Cable Connection............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 24 8 Make Your System Run.................................................................................................................. 27 9 Shipment & Maintenance & Storage......................................................................................... 29
(1)可以使用电流限制电阻来限制Inrush电流;但是,AC输入电路的工作特性受到影响。如果将6.8 kW(2.5 w最低)电阻与输入串联放置,则刷新电流降低至35 mA。在这种配置中,最小状态电压增加到92V AC。在危险环境中添加电阻之前,请确保考虑电阻的工作温度和环境的温度极限。电阻的工作温度必须保持在环境温度极限之下。