At Suntsu, we’re all about helping tech companies create what’s next. Created using ceramic and saw fabrication techniques, we’re pleased to announce that we’ve added several RF filters to our product catalog. Keep reading to see some of their key features, applications or reach out to one of our representatives for a free sample.

Radio frequency filters, or RF filters, are components used to minimize interference in wireless technology by allowing signals that meet a specific frequency to pass while suppressing unwanted frequency signals. Think of a radio and how you turn a knob to tune to different channels. As you turn the knob, you change which frequency signals the RF filter allows to pass and suppress, leaving you with only your desired frequency (aka your desired radio station) coming through.

Types of RF Filters

RF filters are designed to work in operating frequencies that range from medium to very high, making these filters extremely useful for wireless communication applications. GPS, Wi-Fi, Bluetooth, television receivers, and smart phones are just a few of the nearly endless applications that RF filters are used for.

Types of RF Filters

RF filters can be broken down into four main types: Low pass, High pass, Band Pass, and Band Stop.

Low Pass Filter (LPF)

A low pass filter is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. Low pass filters are used in various audio applications to filter noise. When “noise” or high frequency signals are passed through a low pass filter, the noise is removed, and a clear sound is produced.

High Pass Filter (HPF)

High pass filters are the opposite of low pass filters, allowing signals with a higher frequency to pass through, while attenuating frequencies lower than the cutoff frequency.

Band Pass Filter (BPF)

A band pass filter is a filter used to isolate or filter out certain frequencies within a particular band or range of frequencies. These filters are used in applications where high selectivity is required, such as television or radio.

Band Stop Filter (BSF)

Band stop filters, also known as band reject filters, are filters with the exact opposite functionality of band pass filters. These filters stop or attenuate frequencies that lie between its two cutoff frequencies and pass all frequency signals outside the cutoff points. These filters are used in a wide range of applications, including audio systems where they can remove the hum caused by interference.

Suntsu晶振最新的射频滤波器突破噪音,SFLSR-3A3A,声表面波滤波器

用Suntsu晶振最新的射频滤波器突破噪音

在Suntsu，我们致力于帮助科技公司创造未来。采用陶瓷和saw制造技术制造，我们很高兴地宣布，我们的产品目录中增加了几款RF滤波器，声表面滤波器。请继续阅读，了解它们的主要特性和应用，或者联系我们的代表索取免费样品。

射频滤波器(RF filters)是一种组件，通过允许符合特定频率的信号通过，同时抑制不需要的频率信号，来最大限度地降低无线技术中的干扰。想象一台收音机，你如何转动旋钮调到不同的频道。当你转动旋钮时，你可以改变射频滤波器允许通过和抑制的频率信号，只让你想要的频率(也就是你想要的电台)通过。

RF滤波器的工作频率范围从中频到非常高，非常适合无线通信应用。GPS、Wi-Fi、蓝牙、电视接收机和智能手机只是RF滤波器几乎无穷无尽应用中的几个例子。

RF滤波器的类型

RF滤波器可分为四种主要类型：低通、高通、带通和带阻。陶瓷贴片滤波器

低通滤波器(LPF)

低通滤波器是使频率低于某一截止频率的信号通过并衰减频率高于截止频率的信号的滤波器。低通滤波器用于各种音频应用中，以过滤噪声。当“噪音”或高频信号通过低通滤波器时，噪音被消除，产生清晰的声音。

高通滤波器(HPF)

高通滤波器与低通滤波器相反，允许频率较高的信号通过，同时衰减低于截止频率的频率。

带通滤波器(BPF)

带通滤波器是用于隔离或滤除特定频带或频率范围内的特定频率的滤波器。这些滤波器用于要求高选择性的应用，如电视或收音机。

带阻滤波器(BSF)
带阻滤波器也称为带阻滤波器，其功能与带通滤波器完全相反。这些滤波器阻止或衰减位于其两个截止频率之间的频率，并通过截止点以外的所有频率信号。这些滤波器应用广泛，包括音频系统，可以消除干扰引起的嗡嗡声。

声表面波滤波器

SAW Filters
Minimum Package Size	1.1mm x 0.9mm
Maximum Package Size	13.3mm x 6.5mm
Minimum Frequency Range	0.15MHz
Maximum Frequency Range	2.6GHz
Package Type	SMD; Dip Type
Applications	WiFi, GPS, ISM, 5G Network, Automotive available

石英贴片晶振	包装尺寸	负载	频率容差	频率稳定性
SXT11410AA07-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA07-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA16-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-30.000M	1.6X1.2 SMD 进口晶振	10pF	±50ppm	±50ppm
SXT11410AA17-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA17-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA27-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA38-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410AA48-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±50ppm	±50ppm
SXT11410BA07-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-26.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-27.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-27.120M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-30.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-32.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-38.400M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA07-40.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA16-24.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm
SXT11410BA16-25.000M	1.6X1.2 SMD (4 PAD) CRYSTAL	10pF	±30ppm	±50ppm

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