親愛的科技愛好者、無線通信領域的專家們，以及追求極致性能的設備制造商們，今天，我們滿懷激動地向大家介紹一款顛覆性的產品——KCT8526H。這款高集成的射頻前端集成電路（RF Front-End IC）專為IEEE 802.11a/n/ac WLAN系統設計，工作頻段覆蓋5.15-5.85GHz，是構建高性能、多標準支持的5GHz WLAN系統的理想選擇。
Dear technology enthusiasts, wireless communication experts, and device manufacturers pursuing extreme performance, today we are excited to introduce a disruptive product - KCT8526H. Designed for IEEE 802.11a/n/ac WLAN systems, this highly integrated RF Front-End IC operates in the 5.15-5.85GHz band, making it ideal for building high-performance, multi-standard supported 5GHz WLAN systems.

在無線通信領域，射頻前端組件的性能和集成度直接決定了整個系統的性能和成本效益。KCT8526H正是基于這一理念而設計的，它將關鍵射頻功能——包括高效高線性功率放大器（PA）、帶旁路的低噪聲放大器（LNA）、匹配網絡、LO抑制和諧波濾波器——全部集成在一個緊湊的設備中，實現了前所未有的集成度和性能提升。
In the field of wireless communication, the performance and integration of RF front-end components directly determine the performance and cost-effectiveness of the entire system. The KCT8526H is based on this philosophy and integrates key RF functions-including high-efficiency high-linear power amplifiers (PA), low-noise amplifiers (LNA) with bypass, matching networks, LO rejection, and harmonic filters-into a compact device, achieving unprecedented levels of integration and performance.

作為射頻前端的核心組件，功率放大器（PA）的性能直接關系到信號的傳輸距離和系統的覆蓋范圍。KCT8526H內置的PA以其高效和高線性度著稱，能夠在5V供電下提供穩定的輸出功率。在VHT80/MCS9模式下，當誤差矢量幅度（DEVM）為-35dB時，輸出功率可達+23dBm；而在HT20/MCS7模式下，當DEVM為-30dB時，輸出功率更是高達+24dBm。這樣的性能表現，使得KCT8526H成為構建遠距離、高覆蓋WLAN系統的首選。
As the core component of the RF front end, the performance of the power amplifier (PA) is directly related to the transmission distance of the signal and the coverage range of the system. The KCT8526H's built-in PA is known for its efficiency and high linearity, providing a stable output power at 5V power supply. In VHT80/MCS9 mode, when the error vector amplitude (DEVM) is -35dB, the output power can reach +23dBm; In HT20/MCS7 mode, when DEVM is -30dB, the output power is as high as +24dBm. This performance makes the KCT8526H the first choice for building long-range, high-coverage WLAN systems.

為了方便系統監控和管理，KCT8526H還內置了功率檢測器。這一功能可以實時監測PA的輸出功率，為系統優化和故障排查提供重要數據支持。通過精準監控輸出功率，用戶可以更好地了解系統的運行狀態，及時調整和優化系統參數，確保系統的穩定性和可靠性。
In order to facilitate system monitoring and management, the KCT8526H also has a built-in power detector. This function can monitor the PA output power in real time, providing important data support for system optimization and troubleshooting. By accurately monitoring the output power, users can better understand the operating status of the system, adjust and optimize the system parameters in time, and ensure the stability and reliability of the system.

小巧封裝，易于集成
在封裝方面，KCT8526H同樣表現出色。它采用了緊湊的3.0x3.0x0.55mm 16-lead QFN封裝，是目前市場上同類產品中封裝尺寸最小的之一。這種小巧的封裝設計使得KCT8526H非常易于集成到各種小型化設備中，如智能手機、平板電腦、路由器等，為設備制造商提供了更多的設計靈活性和空間利用率。
Compact package for easy integration
In terms of packaging, the KCT8526H also performs well. It comes in a compact 3.0x3.0x0.55mm 16-lead QFN package, one of the smallest in its class on the market today. This compact package design makes the KCT8526H very easy to integrate into a variety of miniaturized devices such as smartphones, tablets, routers, etc., providing device manufacturers with more design flexibility and space utilization.

全面靜電防護，保障系統安全
在電子產品的設計中，靜電防護是不可忽視的一環。KCT8526H的所有引腳都通過了ESD靜電防護標準，有效防止靜電放電對模組造成的損害，提高了產品的可靠性和使用壽命。這一設計使得KCT8526H在惡劣的電磁環境中也能保持穩定的性能表現。
Comprehensive electrostatic protection to ensure system safety
In the design of electronic products, electrostatic protection is an important part. All the pins of KCT8526H have passed the ESD electrostatic protection standard, effectively preventing the damage caused by electrostatic discharge to the module, and improving the reliability and service life of the product. This design enables the KCT8526H to maintain stable performance even in harsh electromagnetic environments.

環保認證，綠色制造
我們深知環保的重要性，因此KCT8526H在設計和生產過程中嚴格遵守ROHS和REACH環保標準。這意味著該產品不含任何有害物質，對環境友好，同時也保障了用戶的健康安全。
Environmental certification, green manufacturing
We understand the importance of environmental protection, which is why the KCT8526H is designed and manufactured in strict compliance with ROHS and REACH environmental standards. This means that the product does not contain any harmful substances, is friendly to the environment, and also guarantees the health and safety of users.

產品規格
集成802.11ac 5GHz PA、帶旁路的LNA和T/R開關
完全匹配的輸入和輸出
集成功率檢測器
發射增益：5V時31dB
輸出功率：
+23dBm（VHT80/MCS9，DEVM=-35dB，5V）
+24dBm（HT20/MCS7，DEVM=-30dB，5V）
接收增益：5V時16.5dB
噪聲系數：5V時1.7dB
所有引腳帶ESD保護電路
所需外部組件極少
小封裝：QFN-16L，3.0mm x 3.0mm x 0.55mm（MSL3，260℃符合JEDEC J-STD-020標準）
RoHS和REACH合規

審核編輯 黃宇