SI477X-EVB Datasheet, PDF (20/62 Pages) Silicon Laboratories – Complete antenna-to-audio evaluation system

Si477x-EVB
USN: The Ultrasonic Noise indicator. Higher numbers indicate better signal quality.
Multipath: Multipath indicator. Higher numbers indicate more severe multipath impairment.
Freq Off: Frequency offset of received signal.
Deviation: FM deviation indicator
Channel BW: Receiver channel (IF) bandwidth.
Stereo: Indicates the Stereo/Mono blend ratio.
HI-Cut/HI-Blend: Hicut mitigation applied to either the Left Plus Right (LPR) or Left Minus Right (LMR) audio
signals.
Soft Mute: Indicates the soft mute attenuation applied.
FMAGC1, FMAGC2, PGA Gain: AGC indicators for FM AGC.
9. Status Indicator Undock. Opens a separate window with all status indicators for more convenient viewing
as shown in Figure 24. “FM Status Indicator Window”.
Figure 24. FM Status Indicator Window
10. Stereo/Mono selector. Force the receiver to mono mode by selecting this button. The tuner will
automatically blend between stereo and mono mode when Stereo is selected.
11. RDS Program Service and Radio Text indicators. Displays received RDS strings.
Notes:
Many of these mitigation engines and indicators are configured via properties.
Refer to the Programming Guide for specific details, including configuration, applicable ranges, etc.
The USB power supply is provided for convenience only. Better performance will be attained using the
external 9 V supply option.
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Rev. 0.4