PCB
Amplifier PCB
价格极具竞争力的高品质放大器 PCB
  • Materials: High speed FR4, low Dk and low Df materials, ceramic filling PTFE、 Teflon, Arlon, Rogers, AGC, Isola, Panasonic Shengyi, TUC, Taconic, Ventec, etc.

  • Impedance control, peelable mask, carbon ink, back drill

  • ISO9001: 2015 certification and UL certification

  • PCB type: FR4, PTFE FR4 hybrid, ceramic FR4 hybrid

  • Impedance tolerance: minimum/-5%

  • PTH、 Blind holes, buried holes, staggered holes, stacked holes

什么是放大器 PCB?

放大器 PCB 是用于放大器的印刷电路板。放大器 PCB 电路用于改善发送到所连接设备的信号。大多数放大器 PCB 用于声音应用。放大器 PCB 的其他各种用途是增强输入数据、视频和另一个次级电路的高速信号。放大器电路 PCB 通过为电路提供额外的电源来增强信号强度。放大器的电路大小取决于产品的应用及其需求。

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放大器 PCB 板的关键特性

由于放大器 PCB 电路结构紧凑且不使用通孔元件,因此需要使用 SMD 设备中的所有物理元件进行设计。

放大器 PCB 通常设计有扬声器和保护电路,其中整流器以重占空比运行。

外形尺寸是放大器 PCB 的关键点之一。必须重点关注 PCB 中的散热,因为散热会影响电路的性能和元件的使用寿命。

PCB的介电常数设计得比任何标准刚性PCB更好,以满足设计和性能约束。

放大器 PCB 电路具有高输入阻抗,可防止馈入次级设备的信号丢失。放大器 PCB 设计采用无阻抗或低阻抗设计,因为这可能会导致电压下降,从而导致电路功能中的信号丢失。

对于放大器 PCB 所需的所有变量约束,开环增益在反馈水平上都很高。

放大器 PCB 的信号带宽受限于一定范围。PCB 设计需要以保持窄带区的方式进行设计。宽带设计可能会导致噪声和多个信号干扰。

PCB放大器的输出阻抗很低,放大器设计的原理是在放大信号时降低电压。

放大器还可以通过改善信号频率响应、降低失真程度和增强整体声音特性来改善声音质量。

放大器的维护也需要无尘,以防止过热并维持性能。

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