obsidian-notes/射频/滤波器/带通.md
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---
title: 带通
updated: 2022-01-09 03:03:53Z
created: 2022-01-08 13:17:42Z
tags:
- 选型
---
# 低通
低通可选型号最多,高通次之,可利用【高通+低通】的组合自由组合成需要的带通
但由于匹配的原因,带宽、差损都会有不同程度的变化
低通中常用的Mini-Circuits有LFCVLFCNLFCG等系列
LFCN用得最多封装多为FV1206封装可用1206的0Ω电阻占位两翼的接地端须近地可靠接地
# 带通
带通产品可多关注通信领域的器件muRata产品线非常丰富
# 供应商
振华富自研带通滤波器产品线较为丰富封装最大50*50支持定制。指标较LFCN+HFCN的组合型好
#选型