Hello, this is a designed circuit, drawn according to the datasheet. The PCB is also designed according to the datasheet, with the MOS inductor on top and the chip on the back.
Besides LAYOUT, are there any other possible causes for these phenomena? …
Part Number: TRF7970A Hi,
The design requires the use of external high-power PA,The TX_OUT pin is designed according to the match on page 77 of the datasheet (Figure 7-2),After matching, PA amplifies the 13.56MHz signal and outputs it to the antenna.In…
Other Parts Discussed in Thread: LM27761 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/tools/simulation-hardware-system-design-tools-group/sim-hw-system-design/f/simulation-hardware-system-design-tools-forum/1381762…
Other Parts Discussed in Thread: TPS552872 , TPS552892 , TPS63070 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1518775/tps552872-design-verificati…