RF2689 查看數據表（PDF） - RF Micro Devices
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RF2689 Datasheet PDF : 20 Pages
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RF2689
NF versus VGC (W-CDMA)
if=191MHz, LO=1520MHz @ -10dBm, VCC=3.0V, VGC=2.4V to
60.0
0.3V)
N.F[dB]
50.0
40.0
30.0
20.0
10.0
0.0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
VGC (V)
7
Preliminary
NF versus VGC (GSM)
(IF=225.05MHz, LO=1080MHz @ -10dBm, VCC=3.0V, VGC=2.4V to 0.3V)
90.0
80.0
N.F[dB]
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
VGC (V)
7-58
Rev A4 010815
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