一款表面贴装3dB电桥的制作

A SMT 3 dB electric bridge high frequency board production

3 dB电桥在无源系统中是十分常见的器件,主要用于多信号合路、分路及功率合成,提高输出信号的利用率。本文结合我公司在4层SMD 3 dB电桥的实际制作情况,对其制程的主要控制要点进行概述,以供参考。

The 3 dB bridge is a very common device in passive systems.The 3 dB bridge is mainly used for multi-signal combining,splitting and power synthesis to improve the utilization of output signals.This article combines the actual production situation of a company in the 4-layer SMD 3 dB bridge,and summarizes the main control points of its manufacturing process for reference.