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SA58641 Datasheet PDF : 26 Pages
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NXP Semiconductors
SA58641
High performance mixer FM IF system with high-speed RSSI
20
Gp(conv)
(dB)
17
002aad000
14
11
8
5
−40
−15
10
35
60
85
Tamb (°C)
Fig 5.
VCC = 5.5 V; RF level = 45 dBm
Mixer conversion power gain versus
ambient temperature
300
RMS audio reference
(mV)
200
002aad002
100
0
−40
−15
10
35
60
85
Tamb (°C)
VCC = 5.5 V
Fig 7. Audio reference level versus
ambient temperature
−5
IP3I
(dBm)
−9
002aad001
−13
−17
−21
−25
−40
−15
10
35
60
85
Tamb (°C)
Fig 6.
VCC = 5.5 V; RF level = 45 dBm
Mixer input third-order intercept point at
240 MHz versus ambient temperature
Audio 300
(dB) 0
−20
−40
−60
−80
−100
−120
−40
audio
002aad003
AM rejection
noise
distortion
12 dB SINAD
−15
10
35
60
85
Tamb (°C)
Fig 8.
VCC = 5 V; RF = 240 MHz; level = 68 dBm;
deviation = 125 kHz
12 dB SINAD and relative audio, THD, noise
and AM rejection versus ambient temperature
SA58641
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 9 March 2012
© NXP B.V. 2012. All rights reserved.
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