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Company Advantages
1. A-TECH countersunk pcb is manufactured by first-rate raw materials from the leading suppliers. The production of the raw materials strictly adheres to international quality standards.
2. With different functions, edge plating pcb can be used in countersunk pcb .
3. With years of quality system management, A-TECH acts as the leader of offering the finest edge plating pcb for customers.

Impedance is the combination of the capacitance and inductance of a circuit when operated at high frequency. Control impedance in printed circuit boards are used across a broad range of applications to help ensure high signal integrity. Basically there are usually three types of impedance in PCB designs like single-ended impedance, differential impedance and coplanar impedance.

The factors affect impedance include: impedance trace width/spacing, copper thickness, dielectric thickness on either side of the impedance traces, dielectric constant of the core and prepreg material etc.

The applications of impedance control PCB include RF communication, Signal processing, High quality analog video, Computing 100MHz and above, Telecommunications and so on.

A large proportion of multilayer PCBs that A-TECH manufactured are with impedance control requirements, normally we will calculate impedance based on stack up and gerber designs to match with specified impedance values, our engineering dept might do necessary adjustments on stack up or impedance trace width/spacing if there is any mismatch after calculation. Moreover, the impedance coupons will be placed in each working panel which use for testing impedance values before shipment.

Company Features
1. Based in China, A-TECH CIRCUITS Co., Ltd. specializes in the design and production of countersunk pcb . We have been one of the leading manufacturers in the Chinese market.
2. We boast a pool of excellent designing team. They have a wealth of product knowledge and deep designing expertise, which allows the company to resolve customers’ problems promptly.
3. A-TECH CIRCUITS Co., Ltd. won good reputation for its tenet of impedance calculator pcb . Get more info! Enterprise culture is very important in A-TECH CIRCUITS Co., Ltd. and we highly value it. Get more info!