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SA616 View Datasheet(PDF) - NXP Semiconductors.

Part NameDescriptionManufacturer
SA616 Low-voltage high performance mixer FM IF system NXP
NXP Semiconductors. NXP
SA616 Datasheet PDF : 31 Pages
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NXP Semiconductors
SA616
Low-voltage high performance mixer FM IF system
RF GENERATOR(1)
45 MHz
VCC (+3 V)
SA616 DEMOBOARD(2)
RSSI AUDIO
DC VOLTMETER
DE-EMPHASIS
FILTER
C–MESSAGE(3)
SCOPE
HP339A DISTORTION
ANALYZER
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(1) Set RF generator at 45.000 MHz; use a 1 kHz modulation frequency and a 6 kHz deviation if using
16 kHz filters, or 8 kHz if using 30 kHz filters.
(2) The smallest RSSI voltage (i.e., when no RF input is present and the input is terminated) is a
measure of the quality of the layout and design. If the lowest RSSI voltage is 500 mV or higher, it
means the receiver is in regenerative mode. In that case, the receiver sensitivity will be worse than
expected.
(3) The C-message and de-emphasis filter combination has a peak gain of 10 dB for accurate
measurements. Without the gain, the measurements may be affected by the noise of the scope
and HP339 analyzer. The de-emphasis filter has a fixed 6 dB/octave slope between 300 Hz and
3 kHz.
Fig 22. SA616 application circuit test setup
SA616
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 21 June 2010
© NXP B.V. 2010. All rights reserved.
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