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RF64W Datasheet(PDF) 21 Page - HOPE Microelectronics CO., Ltd.

Part # RF64W
Description  Ultra-Low Power Integrated 300-510MHz Transceiver
PDF  76 Pages
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Manufacturer  HOPE [HOPE Microelectronics CO., Ltd.]
Direct Link  https://www.hoperf.com/
Logo HOPE - HOPE Microelectronics CO., Ltd.

RF64W Datasheet(HTML) 21 Page - HOPE Microelectronics CO., Ltd.

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ADVANCED COMMUNICATIONS & SENSING
Page 21 of 76
RF64
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
DATA
VR_PA
[V]
95 %
95 %
tVR_PA
tVR_PA
PA Output
power
60 dB
60 dB
tPA_OUT
tPA_OUT
Figure 10: PA Control
3.3.7.2. Optimum Load Impedance (value to confirm)
As the PA and the LNA front-ends in the RF64 share the same Input/Output pin, they are internally matched to
approximatel
y 50 Ω.
Pmax-1dB circle
Max Power
Zopt = 30+j25 Ω
Figure 11: Optimal Load Impedance Chart
Please refer to the reference design section for an optimized PA load setting.



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