AN1993_15 Datasheet, PDF (16/23 Pages) NXP Semiconductors – High sensitivity applications of low-power RF/IF integrated circuits

NXP Semiconductors
AN1993
High sensitivity applications of low-power RF/IF integrated circuits
0.7 μV
0
7 μV
70 μV 0.7 mV
7 mV
audio
70 mV
5.0
4.5
−10
4.0
−20
3.5
RSSI
−30
3.0
−40
THD + noise
2.5
−50
2.0
−60
1.5
−70
1.0
−80
−120
−100
noise
−80
−60
−40
−20
RF input level (dBm) (50 Ω)
0.5
0
0
002aah485
94.7 MHz RF input
84 MHz LO (0 dBm)
10.7 MHz IF
280 kHz IF bandwidth
75 kHz deviation
Fig 15. FM broadcast receiver (wideband)
AN1993
Application note
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 13 August 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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