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nRF24xx匹配网络原理及调试

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nRF24xx匹配网络原理及调试

WHITE PAPER



Tuning the nRF24xx matching network
1. Preface

This white paper describes how to tune the matching network of the nRF24xx series radios for
optimum performance. The nRF24L01 is used as an example, but the method shown is
applicable for all Nordic 2.4GHz radios. A spectrum analyzer is needed to monitor the output
signal and measure the performance while the components in the matching network are
changed.

This white paper does not cover antenna tuning.


2. How it works

The antenna connection for the radio chip is differential. The impedance is different from 50
ohm. The components between the radio and the antenna are called the matching network and
consist of the components shown in Figure 1.

The matching network has 4 main tasks:

1. Transform the bala……
nRF24xx匹配网络原理及调试
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