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SI4431-B1-FM 数据表(PDF) 9 Page - Silicon Laboratories

部件名 SI4431-B1-FM
功能描述  Si4430/31/32 ISM TRANSCEIVER
Download  74 Pages
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制造商  SILABS [Silicon Laboratories]
网页  http://www.silabs.com
标志 SILABS - Silicon Laboratories

SI4431-B1-FM 数据表(HTML) 9 Page - Silicon Laboratories

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Si4430/31/32-B1
Rev 1.1
9
Table 3. Receiver AC Electrical Characteristics1
Parameter
Symbol
Conditions
Min
Typ
Max
Units
RX Frequency
Range—Si4431/32
FRX
240
930
MHz
RX Frequency
Range—Si4430
FRX
900
960
MHz
RX Sensitivity2
PRX_2
(BER < 0.1%)
(2 kbps, GFSK, BT = 0.5,
f = 5kHz)3
–121
dBm
PRX_40
(BER < 0.1%)
(40 kbps, GFSK, BT = 0.5,
f = 20 kHz)3
–108
dBm
PRX_100
(BER < 0.1%)
(100 kbps, GFSK, BT = 0.5,
f = 50 kHz)3
–104
dBm
PRX_125
(BER < 0.1%)
(125 kbps, GFSK, BT = 0.5,
f = 62.5 kHz)
–101
dBm
PRX_OOK
(BER < 0.1%)
(4.8 kbps, 350 kHz BW, OOK)3
—–110—
dBm
(BER < 0.1%)
(40 kbps, 400 kHz BW, OOK)3
–102
dBm
RX Channel Bandwidth3
BW
2.6
620
kHz
BER Variation vs Power
Level3
PRX_RES
Up to +5 dBm Input Level
0
0.1
ppm
LNA Input Impedance3
(Unmatched—measured
differentially across RX
input pins)
RIN-RX
915 MHz
51–60j
868 MHz
54–63j
433 MHz
89–110j
315 MHz
107–137j
RSSI Resolution
RESRSSI
—±0.5—
dB
1-Ch Offset Selectivity3
C/I1-CH
Desired Ref Signal 3 dB above sensitivity,
BER < 0.1%. Interferer and desired modu-
lated with 40 kbps
F = 20 kHz GFSK with
BT = 0.5, channel spacing = 150 kHz
—–31
dB
2-Ch Offset Selectivity3
C/I2-CH
—–35
dB
 3-Ch Offset Selectivity3
C/I3-CH
—–40
dB
Blocking at 1 MHz Offset3 1MBLOCK Desired Ref Signal 3 dB above sensitivity.
Interferer and desired modulated with
40 kbps
F = 20 kHz GFSK with BT = 0.5
—–52
dB
Blocking at 4 MHz Offset3 4MBLOCK
—–56
dB
Blocking at 8 MHz Offset3 8MBLOCK
—–63
dB
Image Rejection3
ImREJ
Rejection at the image frequency.
IF=937 kHz
—–30
dB
Spurious Emissions3
POB_RX1
Measured at RX pins
–54
dBm
Notes:
1.
All specification guaranteed by production test unless otherwise noted. Production test conditions and max limits are listed
in the "Production Test Conditions" section on page 14.
2.
Receive sensitivity at multiples of 30 MHz may be degraded. If channels with a multiple of 30 MHz are required it is
recommended to shift the crystal frequency. Contact Silicon Labs Applications Support for recommendations.
3.
Guaranteed by qualification. Qualification test conditions are listed in the "Production Test Conditions" section on page 14.


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