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使用Suntsu最新的射頻濾波器突破噪音

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用Suntsu最新的射頻濾波器突破噪音

使用Suntsu最新的射頻濾波器突破噪音

在Suntsu松圖晶振,我們致力于幫助科技公司創(chuàng)造未來。我們很高興地宣布,我們的產(chǎn)品目錄中增加了幾款射頻濾波器,采用陶瓷和SAW濾波器制造技術(shù)制造。請繼續(xù)閱讀,了解它們的主要特性和應(yīng)用,或者聯(lián)系我們的代表獲取免費樣品。
射頻濾波器(RF filters)是一種組件,用于通過允許符合特定頻率的信號通過同時抑制不需要的頻率信號來最大限度地減少無線技術(shù)中的干擾。想象一下收音機,你如何轉(zhuǎn)動旋鈕來調(diào)到不同的頻道。當(dāng)你轉(zhuǎn)動旋鈕時,你可以改變射頻濾波器允許通過和抑制的頻率信號,只讓你想要的頻率(也就是你想要的電臺)通過。
RF濾波器的工作頻率范圍從中頻到非常高,非常適合無線通信應(yīng)用。GPS、Wi-Fi、藍(lán)牙、電視接收機和智能手機,只是RF濾波器幾乎無窮無盡應(yīng)用中的幾個例子。
RF濾波器的類型
RF濾波器可分為四種主要類型:低通、高通、帶通和帶阻。
低通濾波器(LPF)
低通濾波器是使頻率低于某一截止頻率的信號通過并衰減頻率高于截止頻率的信號的濾波器石英晶體。低通濾波器用于各種音頻應(yīng)用中,以過濾噪聲。當(dāng)“噪音”或高頻信號通過低通濾波器時,噪音被消除,產(chǎn)生清晰的聲音。
高通濾波器(HPF)
高通濾波器與低通濾波器相反,允許頻率較高的信號通過,同時衰減低于截止頻率的頻率。
帶通濾波器(BPF)
帶通濾波器是用于隔離或濾除特定頻帶或頻率范圍內(nèi)的特定頻率的貼片濾波器。這些濾波器用于要求高選擇性的應(yīng)用,如電視或收音機。
帶阻濾波器(BSF)
帶阻濾波器也稱為帶阻濾波器,其功能與帶通濾波器完全相反。這些濾波器阻止或衰減位于其兩個截止頻率之間的頻率,并通過截止點以外的所有頻率信號。這些濾波器應(yīng)用廣泛,包括音頻系統(tǒng),可以消除干擾引起的嗡嗡聲。
聲表濾波器

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
Series
Image
SMT Package Size Range
Throughhole Package Size Range
Frequency
Passband Width
Key Feature
SFLSI-13D6F SFLSI-13D6F 13.3x6.5mm, 12-pad N/A 70.000 to 140.000MHz 0.02 to 76MHz Industrial spec, SMD package
SFLSI-14F10A SFLSI-14F10A N/A 14.5x10.0mm, Dip type 70.000 to 140.000MHz 6.0 to 29MHz Industrial spec, Dip type
SFLSI-22B12G SFLSI-22B12G N/A 22.1x12.6mm, Dip type 70.000 to 140.000MHz 0.6 to 30MHz Industrial spec, Dip type
SFLSI-27C12G SFLSI-27C12G N/A 27.2x12.6mm, Dip type 70.000 to 140.000MHz 3.0 to 42MHz Industrial spec, Dip type
SFLSI-34I12G SFLSI-34I12G N/A 34.8x12.6mm, Dip type 70.000 to 140.000MHz 0.4 to 50MHz Industrial spec, Dip type
SFLSR-1BJ SFLSR-1BJ 1.1x0.9mm, 5-pad N/A 1575.42MHz 46.0MHz Compass & GPS, Smallest size package.
SFLSR-1E1B SFLSR-1E1B 1.4x1.0mm, 5-pad N/A 722.000 to 2655.000MHz 9.0 to 100MHz Automotive and Telematics, Small size package.
SFLSR-2A1G SFLSR-2A1G 2.0x1.6mm, 4-pad N/A 719.000 to 2017.500MHz 2.0 to 26MHz Industrial spec, Small size package.
SFLSR-3A3A SFLSR-3A3A 3.0x3.0mm, 6-pad N/A 315.000 to 2655.000MHz 0.15 to 20MHz Industrial spec, Small size package.
SFLSR-3I3I SFLSR-3I3I 3.8x3.8mm, 8-pad N/A 110.592 to 868.350MHz 0.15 to 20MHz Industrial spec, Small size package.
SFLSR-5A3F SFLSR-3I3I 5.0x3.5mm, 4-pad N/A 315.000 to 868.350MHz 0.15 to 0.3MHz Industrial spec, Small size package.


平衡轉(zhuǎn)換器
Balun Transformer
Package Size 1.6mm x 0.8mm
Frequency Bandwidth 2.4GHz to 2.5GHz
Package Type SMD
Key Features Low insertion loss and high rejection rate
LTCC process
Applications WiFi
Series
Image
SMT Package Size Range
Throughhole Package Size Range
Frequency
Bandwidth
Key Feature
SRFBT-1GI1G-WFB8 SRFBT-1GI1G-WFB8 1.60x0.80mm, 6-pad N/A 2400 to 2500MHz 100MHz Miniature Footprint, Low Insertion Loss, High Rejection Rate, LTCC Process
帶通濾波器
Band Pass Filters
Minimum Package Size 1.4mm x 1.1mm
Maximum Package Size 7.3mm x 3.5mm
Frequency Bandwidths Options 1550MHz to 1610MHz; 1160MHz to 1300MHz; 2400MHz to 2500MHz; 26500MHz to 29500MHz
Package Type SMD
Key Features Low insertion loss and high rejection rate
LTCC process
Applications WiFi, GPS, ISM, 5G Network
Series
Image
SMT Package Size Range
Throughhole Package Size Range
Frequency
Bandwidth
Key Feature
SRFBF-1BJ1J-GPBA SRFBF-1BJ1J-GPBA 1.10x0.90mm, 5-pad N/A 1550 to 1610MHz 60MHz Miniature Footprint, Low Insertion Loss, LTCC Process
SRFBF-1E1B1A-WFB8 SRFBF-1E1B1A-WFB8 1.40x1.10mm, 5-pad N/A 2400 to 2500MHz 100MHz Miniature Footprint, Low Insertion Loss, LTCC Process, High Rejection Rate
SRFBF-1GIJ5-WFB1 SRFBF-1GIJ5-WFB1 1.60x0.80mm, 3-pad N/A 2400 to 2500MHz 100MHz Miniature Footprint, Low Insertion Loss, LTCC Process, High Rejection Rate
SRFBF-5H5B1J-CMBB SRFBF-5H5B1J-CMBB 5.7x5.16mm N/A 1160 to 1300 140MHz High Attenuation on Harmonic Suppressed, LTCC Process
SRFBF-5H5B3A-CMBC SRFBF-5H5B3A-CMBC 5.7x5.16mm N/A 1520 to 1610 90MHz High Attenuation on Harmonic Suppressed, LTCC Process
SRFBF-7D3F1D-CMBD SRFBF-7D3F1D-CMBD 7.3x3.5mm N/A 26500 to 29500 3000MHz High Attenuation on Harmonic Suppressed, LTCC Process