Department of Computer Science and Communications Technologies, Vilnius Gediminas Technical University (VILNIUS TECH), 10223 Vilnius, Lithuania.
Sensors (Basel). 2023 May 4;23(9):4472. doi: 10.3390/s23094472.
Zero-ohm resistors, also known as jumpers, are commonly used in early radio frequency (RF) prototypes as they can help engineers identify the most optimal engineering solution for their system or create application-specific hardware configurations in products. One of the key considerations when using zero-ohm jumpers in RF circuits is the potential for signal loss and interference. Every circuit connection creates a small amount of resistance and impedance, eventually adding up over long distances or in complex circuits. This paper proposes a quantitative characterization summary of standard 0201-, 0402-, 0603-, and 0805-size surface-mount package jumpers, as well as lead-free and lead solder wires, in high-frequency applications by means of time domain reflectometry (TDR) and S-parameter measurements. The typical offset from the target 50 Ω impedance was measured to be around 3 Ω, or 5.8% relative to the measured reference value. According to S-parameter measurement results, no visible impact on attenuation was spotted up to 5 GHz compared to the reference S curve.
零欧姆电阻器，也称为跳线，在早期的射频 (RF) 原型中被广泛使用，因为它们可以帮助工程师为其系统确定最佳的工程解决方案，或者在产品中创建特定于应用的硬件配置。在 RF 电路中使用零欧姆跳线时，需要考虑的一个关键因素是信号损耗和干扰的可能性。每个电路连接都会产生少量的电阻和阻抗，最终在长距离或复杂电路中会逐渐累积。本文通过时域反射计 (TDR) 和 S 参数测量，对标准 0201、0402、0603 和 0805 尺寸表面贴装封装跳线以及无铅和有铅焊锡线在高频应用中的特性进行了定量描述。测量到的典型目标 50 Ω 阻抗的偏移量约为 3 Ω，相对于测量的参考值为 5.8%。根据 S 参数测量结果，与参考 S 曲线相比，在 5 GHz 及以下频段，没有发现明显的衰减影响。
