NXP Semiconductors
SA676
Low-voltage mixer FM IF system
20
IF output power
(dBm)
0
002aaf414
−20
−40
(1)
(2)
−60
−80
−66
−46
−26
−6
14
34
RF(3) input level (dBm)
RF = 45 MHz; IF = 455 kHz.
(1) Fund product.
(2) Third order product.
(3) 50 input.
Fig 5. Mixer third order intercept and compression
5
relative level
(dB)
−5
audio
002aaf416
−15
−25
AM rejection
−35
−45
−55
−65
−125
−105
noise
−85
−65
THD+N
−45
−25
RF level (dBm)
VCC = 3 V; RF = 45 MHz; deviation = 5 kHz; Vo(aud)RMS = 117.6 mV.
Fig 6. Relative level of audio, AM rejection, THD+N and noise (Tamb = +25 C)
SA676
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 19 July 2012
© NXP B.V. 2012. All rights reserved.
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