SI4731-DEMO Silicon Laboratories Inc, SI4731-DEMO Datasheet - Page 8

• Manufacturer Part Number: SI4731-DEMO
• Description: BOARD DEMO SI4731 RADIO RECEIVER
• Manufacturer: Silicon Laboratories Inc
• Type: Receiverr

Specifications of SI4731-DEMO

• Frequency: 520kHz ~ 1.71MHz, 64MHz ~ 108MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: SI4731
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si4731-DEMO
The FM and AM radio parameters which can be configured from setup menu are listed below in Table 2.
8
Note: Combination keying is entered and exited from Radio Mode by pressing and holding the SET key then pressing the
Vol+ /
Vol–
Button/Mode
FUNC/DIGIT
Combination
M+/ M–
keying
BANDS key. A combination of the SET and the MSCAN keys will cycle through the available display items.
< 3 s
> 3 s
Spacing: 50/100/200 kHz
Default: 100 kHz
RSSI Seek: 0–127 dBµV
Default: 20 dBµV
SNR Seek: 0–127 dB
Default: 03 dB
Pre-emphasis: 50 or 75 µs
Default: 75 µs
Band High Threshold: Max 108 MHz
Default:107.90 MHz
Band Low Threshold: min 76 MHz
Default: 87.50 MHz
Channel Filter: 00/40/60/80/100 kHz
Default: 00 (Auto)
RClock: 0: AFC disable
32763~32773
Default: 32768
Smute Rate: 0–255
Default: 64
Smute SNR: 0–15 dB
Default: 4 dB
Smute Attenuation: (0–31 dB)
Default: 16 dB
In setup menu, select
next calendar item.
Calendar Mode
Tuner Off
None
None
None
Table 1. Key Function Description (Continued)
FM Parameter
Table 2. Radio Configuration Parameters
Shift the keyboard between normal function and digital input mode.
Rev. 0.1
In radio mode, tune to the next preset station.
In setup menu, select next adjustable item.
Quickly increase or decrease volume.
Increase or decrease volume 1 step.
Spacing: 1/9/10 kHz
Default: 9 kHz
RSSI Seek: (0–63 dBµV
Default: 25 dBµV
SNR Seek: 0–63 dB
Default: 05 dB
Pre-emphasis: 00 disable, 50 µs
Default: 00
Band High Threshold: Max 1710 kHz
Default:1710 kHz
Band Low Threshold: min 520 kHz
Default: 522 kHz
Channel Filter: 1/2/3/4/6 kHz
Default: 2 kHz
RClock: 0 AFC disable
32763~32773
Default: 32768
Smute Rate: 0–255
Default: 64
Smute SNR: 0–63 dB
Default: 10 dB
Smute Attenuation: 0–63 dB
Default: 16 dB
Radio AM/FM Mode
B: Firmware version
A: Radio IC version
C: Varactor reading
AM Parameter
D: AGC status
Tuner On