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<title><![CDATA[EC21 Product Catalogs - high impedance]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/high_impedance--10120303/1/high impedance.html]]></link><item>
<title><![CDATA[Alumina Ceramic Circuit Board OEM Motherboard Aluminum Nitride Board Circuit-Board Professional Manu]]></title><link><![CDATA[https://sncpcb.en.ec21.com/Alumina_Ceramic_Circuit_Board_OEM--11979593_11981251.html]]></link><description><![CDATA[impedance board, high frequency board, aluminum substrate circuit board, rigid pcb according to customer needs. We also have an automated patch production line that can do pcb assembly, and we can al]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[High Precision Positioning Stacked Microwave Ceramic Antenna 3540&amp;2540]]></title><link><![CDATA[https://xuyuanwei.en.ec21.com/High_Precision_Positioning_Stacked_Microwave--6570858_6570976.html]]></link><description><![CDATA[Impedance
50（Ω）
Standing-wave ratio
≤2：1（dB）
Operating voltage
3～5（V）
Working temperature
-30℃ — 70℃
Storage temperature 
-40℃ — 85℃
Humidity
2 0 — 90% 
Characteristi]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[High Frequency PCB, HDI PCB Minimum 01005 Components]]></title><link><![CDATA[https://cttpcb.en.ec21.com/High_Frequency_PCB_HDI_PCB--10919275_11050465.html]]></link><description><![CDATA[impedance 
All multilayer boards are printed with 36t screen, the resistance welding oil is 50 tons thicker than the traditional 43t, which provides reliability guarantee for the bga and more precise]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Industry Controlling Motherboard PCB On the Frequency Converter]]></title><link><![CDATA[https://techighpcb.en.ec21.com/Industry_Controlling_Motherboard_PCB_On--11812588_11812595.html]]></link><description><![CDATA[high-power heat dissipation requirements, etc., PCB processing technology is diversified, and reliability requirements are high, mostly using medium and high Tg materials, with impedance controlling ]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[Multilayer PCB]]></title><link><![CDATA[https://szxpcb.en.ec21.com/Multilayer_PCB--3415393_3914593.html]]></link><description><![CDATA[Impedance control PCB, laser hole, aluminum PCB;
5. Advantage--Speedy delivery, High reliable, Competitive price;
6. Fast prototype service--S/S in 24 hours, 4-8 layers in 48-96 working hours product]]></description><pubDate><![CDATA[20110302]]></pubDate></item>
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<title><![CDATA[Mutilayers PCB]]></title><link><![CDATA[https://2pcbtech.en.ec21.com/Mutilayers_PCB--11782526_11803470.html]]></link><description><![CDATA[higher circuit densities and more complex designs compared to single-sided or double-sided PCBs.
Advanced functionality: Multilayer PCBs offer advanced functionalities, such as impedance control, sig]]></description><pubDate><![CDATA[20230608]]></pubDate></item>
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<title><![CDATA[Multilayer PCB]]></title><link><![CDATA[https://ronghuaindustry.en.ec21.com/Multilayer_PCB--11791188_11794566.html]]></link><description><![CDATA[impedance, which can form a high-speed transmission line6. The metal core heat dissipation layer and magnetic circuit and line shielding layer can be set to meet the needs of heat dissipation and shi]]></description><pubDate><![CDATA[20230521]]></pubDate></item>
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<title><![CDATA[Green Ink FR-4 Printed Circuit Board]]></title><link><![CDATA[https://abiscircuits.en.ec21.com/Green_Ink_FR_4_Printed--10316737_10319519.html]]></link><description><![CDATA[Impedance control Tolerance
±10%
13
Hole tolerance
PTH:±0.075mm,NPTH:±0.05mm
14
Certificate
UL,ISO9001,ISO14001,SGS
15
Profiling punching
Routing,V-CUT,Beveling
16
Production capability
72,000s.q.]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
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<title><![CDATA[4 Layers PCB]]></title><link><![CDATA[https://adplus01.en.ec21.com/4_Layers_PCB--10655888_10656034.html]]></link><description><![CDATA[Impedance control, ENIG/ENEPIG. Blue peelable, Carbon lnk, etc. 
According to product of versatility, AD Plus Corporation is with professional CAM engineers and process expertise, enabling prompt and]]></description><pubDate><![CDATA[20180131]]></pubDate></item>

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