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Date: Mon, 22 May 2023 18:06:35 +0800
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From: "bichengpcb20@163.com" <bichengpcb20@163.com>
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Subject: ***SPAM*** High Frequency PCB Made on Rogers AD1000 | AD1000 RF PCB

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<html><head>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<span style=&#39;font-family: 宋体; font-size: 10.5pt; font-weight: bold; mso-spacerun: "yes"; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 1.0000pt;&#39;>Impedance controlled PCB services for high-performance applications&nbsp;Hello,&nbsp;Impedance control is essential for achieving smooth signal transmission with minimal energy loss in a circuit board. To ensure that the receiving end can fully absorb the transmitted signal without reflection, we offer PCB services that meet your impedance control requirements.&nbsp;The four basic elements that affect impedance are the thickness of trace, width of trace, height of laminate, and dielectric constant of the board material. The percentage of each element&#39;s impact on impedance is as follows: thickness of trace (7%), width of trace (4%), height of laminate (35%), and dielectric constant of board material (8%).&nbsp;We offer various types of characteristic impedance, including single-ended (line), differential, and coplanar impedance. Our PCB services include prototypes, small runs, and mass production supply, and we can produce PCBs with 2-32 layers. We also offer various surface finishes, including HASL, Immersion gold, Immersion tin, Immersion silver, and OSP, as well as various solder mask colors such as Green, Blue, Matt blue, Red, Yellow, Black, Matt black, and White. Our production capabilities include BGA, Blind via, Edge plated castellation, and press fit holes.&nbsp;Our impedance-controlled PCBs are suitable for various applications such as synchronous digital hierarchy (SDH), GSM, CDMA, PC, and high-power wireless phone systems. If you have any impedance-controlled PCB requirements, please send your gerber files to this email address, and we will get back to you as soon as possible.&nbsp;Thank you for your attention. RegardsJane Shi&nbsp;| Business developmentBicheng PCB&nbsp;&nbsp;|&nbsp; <a href="http://www.highfrequencypcb.com/">www.highfrequencypcb.com</a>&nbsp;| Material partners: Rogers, Taconic, ITEQ, SHENGYI, TAIYO, KUANGSHUN If you do not want to receive emails from Bicheng about marketing communications and special offers, reply as “remove” in the subject line.

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