康希通信射频前端模块美林美深科技KCT8227H型号

在这个万物互联的时代，Wi-Fi技术正以前所未有的速度推动着数字生活的变革。随着Wi-Fi 6的普及，用户对网络速度、稳定性和能效的要求也日益提高。在这样的背景下，一款集高性能、高集成度与环保理念于一身的射频前端模组——KCT8227H应运而生，它专为2.4-2.5GHz频段设计，旨在为用户提供前所未有的Wi-Fi体验。
In this era of the Internet of everything, Wi-Fi technology is driving the transformation of digital life at an unprecedented speed. With the popularity of Wi-Fi 6, users are increasingly demanding network speed, stability and energy efficiency. In this context, a high-performance, highly integrated and environmentally friendly RF front-end module - KCT8227H came into being, which is designed for the 2.4-2.5GHz band, aiming to provide users with unprecedented Wi-Fi experience.

KCT8227H是一款专为802.11b/g/n/ac WLAN系统定制的高集成射频前端模组，它集成了实现高效通信所需的所有关键射频组件，包括但不限于高效率高线性功率放大器（PA）、低噪声放大器（LNA）配以旁路滤波器（BP）、LO抑制和谐波滤波器，以及内置的直流电压功率检测功能。这一设计不仅大幅简化了射频前端的设计复杂度，还显著减少了外部电路的需求，使得系统集成更加便捷，成本效益更高。
The KCT8227H is a highly integrated RF front-end module customized for 802.11b/g/n/ac WLAN systems, which integrates all the key RF components needed for efficient communication. Includes but is not limited to high efficiency high linear power amplifiers (PA), low noise amplifiers (LNA) with bypass filters (BP), LO suppression and harmonic filters, and built-in DC voltage power detection. This design not only greatly simplifies the design complexity of the RF front-end, but also significantly reduces the need for external circuits, making system integration easier and more cost-effective.

在性能方面，KCT8227H展现出了非凡的实力。其集成的2.4GHz PA在VHT40/MCS9配置下，能以+22dBm的输出功率实现-35dB的DEVM（误差向量幅度），确保了数据传输的高效率与稳定性；而在HT20/MCS7配置下，输出功率更是高+23.5dBm，DEVM仅为-30dB，满足了高速数据传输的严苛要求。此外，31dB的发射增益和15dB的接收增益，配合1.6dB的低噪声系数，即便在复杂多变的无线环境中，也能保证信号的清晰度和接收灵敏度，让每一次连接都稳定如初。
In terms of performance, the KCT8227H shows extraordinary strength. Its integrated 2.4GHz PA in VHT40/MCS9 configuration can achieve -35dB DEVM (error vector amplitude) with an output power of +22dBm, ensuring high efficiency and stability of data transmission; In the HT20/MCS7 configuration, the output power is higher than +23.5dBm, and the DEVM is only -30dB, meeting the strict requirements of high-speed data transmission. In addition, the transmit gain of 31dB and the receive gain of 15dB, combined with the low noise factor of 1.6dB, can ensure the clarity of the signal and the receive sensitivity, even in the complex and changeable wireless environment, so that every connection is stable as before.

在追求高性能的同时，KCT8227H也没有忽视对空间利用率的优化。其采用QFN-16L封装形式，尺寸仅为2.5×2.5×0.55mm，是市场上同类产品中的佼佼者。这一超小封装设计不仅为终端设备的设计者提供了更大的灵活性，使得产品可以更加轻松地融入各种紧凑的空间布局中，同时也为未来的小型化、轻量化设计趋势奠定了坚实的基础。
While pursuing high performance, the KCT8227H does not neglect the optimization of space utilization. It comes in the form of QFN-16L package with a size of only 2.5×2.5×0.55mm, which is the leader in similar products on the market. This ultra-small package design not only provides the designer of the terminal equipment with greater flexibility, so that the product can be more easily integrated into a variety of compact space layout, but also lays a solid foundation for the future of miniaturization and lightweight design trends.

产品规格
product standard

集成高性能2.4GHz PA、LNA（带旁路）、收发开关
Integrated high-performance 2.4GHz PA, LNA (with bypass), transceiver switch

完全匹配的输入输出端口
Exactly match the input and output ports

内置功率检测器
Built-in power detector

输出功率：+22dBm（VHT40/MCS9, 5V），+23.5dBm（HT20/MCS7, 5V）
Output power: +22dBm (VHT40/MCS9, 5V), +23.5dBm (HT20/MCS7, 5V)

发射增益：31dB（5V）
Transmit gain: 31dB (5V)

接收增益：15dB（5V）
Reception gain: 15dB (5V)

噪声系数：1.6dB（5V）
Noise factor: 1.6dB (5V)

所有引脚均配备ESD保护电路
All pins are equipped with ESD protection circuit

所需外部元件极少
Very few external components are required

封装尺寸：QFN-16L, 2.5×2.5×0.55mm
Package size: QFN-16L, 2.5×2.5×0.55mm

MSL3级别，符合JEDEC J-STD-020标准
MSL3, compliant with JEDEC J-STD-020 standards

符合RoHS和REACH环保要求

审核编辑 黄宇