Si477x-EVB
8. Status Indicators: These indicators show the various metrics reported back to the user via either the
AM_RSQ_STATUS or AM_ACF_STATUS API commands. Commonly used metrics include the following:
RSSI: The Received Signal Strength Indicator at the IC input. Note that this will vary from the actual
antenna RSSI due to front end gains or losses.
SNR: The Signal to Noise Ratio at the demodulator input. Note that this is not the SNR of the Audio output.
LASSI: Adjacent Signal Strength Indicator. Indicates (signal + noise) at the low-side adjacent frequency in
dB relative to the wanted carrier.
HASSI: Adjacent Signal Strength Indicator. Indicates (signal + noise) at the high-side adjacent frequency
in dB relative to the wanted carrier.
Freq Off: Frequency offset of received signal.
Chan BW: Receiver channel bandwidth.
Hicut: Hicut corner frequency.
Soft Mute: Indicates the attenuation applied.
9. Status Indicator Undock: Opens a separate window with status indicators, as shown in Figure 22. “AM
Status Indicator Window”.
Figure 22. AM Status Indicator Window
10. Band Selector: Chooses which AM/SW/LW band to use for frequency tuning/seeking
Notes:
Many of these mitigation engines and indicators are configured via properties.
Refer to the Programming Guide for specific detail, 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.
18
Rev. 0.3
SILICON [ SILICON ]
