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1楼已上传 W3002R_Schematics.pdf ,电路图第12页 是 2.4G LNA电路。
U25, U26 是
SKY65405-21: 2.4 GHz Low-Noise Amplifier
Applications
• 802.11b,g,n PC cards, NICs, and USB dongles
• 802.11b,g,n tablets
• 802.11b,g,n access point, routers, and gateways
• 2.4 GHz ISM radios
Features
• Ultra-low Noise Figure: 1.1 dB
• 2.4 GHz to 2.5 GHz operation
• Enable/disable mode
• High IIP3: +9 dBm
• High gain: 15 dB
• 2.8 to 5.0 V single-supply operation
• DFN (6-pin, 1.5 x 1.5 mm) package (MSL1, 260 °C per JEDEC
J-STD-020)
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