SI4311-B21-GMR Ver la hoja de datos (PDF) - Silicon Laboratories
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SI4311-B21-GMR Datasheet PDF : 20 Pages
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Si4311-B12/B21
Table 4. Si4311 Receiver Characteristics
(TA = 25 °C, VDD = 3.3 V, Rs = 50 Ω, FRF = 433.92 MHz unless otherwise noted)
Parameter
Sensitivity @ BER = 10-3 (Note 1)
Si4311-B12
Sensitivity @ BER = 10-3 (Note 1)
Si4311-B21
Symbol
Test Condition
Min Typ Max Unit
1.0 kbps, f = 50 kHz, xtal = ±20 ppm,
315 MHz2
— –105
— dBm
10 kbps, f = 50 kHz, xtal = ±20 ppm,
315 MHz2
–90
–101
— dBm
1.0 kbps, f = 50 kHz, xtal = ±20 ppm,
433.92 MHz2
—
–103
— dBm
10 kbps, f = 50 kHz, xtal = ±20 ppm,
433.92 MHz2
–90
–100
— dBm
1.0 kbps, f = 50 kHz, xtal = ±20 ppm,
315 MHz2
—
–111
— dBm
10 kbps, f = 50 kHz, xtal = ±20 ppm,
315 MHz2
–90
–110
— dBm
1.0 kbps, f = 50 kHz, xtal = ±20 ppm,
433.92 MHz2
—
–103
— dBm
10 kbps, f = 50 kHz, xtal = ±20 ppm,
433.92 MHz2
–90
–102
— dBm
Data Rate3
Adjacent Channel Rejection
±200 kHz1
Alternate Channel Rejection
±400 kHz1,2
Image Rejection, IF = 128 kHz1,2
Blocking1,2
Maximum RF Input Power 1,2
——
Desired signal is 3 dB above sensitivity
(BER = 10–3), unmodulated interferer
is at ±200 kHz, rejection measured as TBD 35
difference between desired signal and
interferer level in dB when BER = 10–3
Desired signal is 3 dB above sensitivity
(BER = 10–3), unmodulated interferer
is at ±400 kHz, rejection measured as — 55
difference between desired signal and
interferer level in dB when BER = 10–3
— 35
±2 MHz, 2.4 kbps, desired signal is
3 dB above sensitivity, CW interferer — 65
level is increased until BER = 10–3
±10 MHz, 2.4 kbps, desired signal is
3 dB above sensitivity, CW interferer — 70
level is increased until BER = 10–3
—8
10 kbps
— dB
— dB
— dB
— dB
— dB
— dBm
Notes:
1. 1.0 kbps, f = 50 kHz, xtal = ±20 ppm, AFC = 0, BT[1:0] = 00, DEV[1:0] = 01.
2. Guaranteed by characterization.
3. Guaranteed by design.
Rev. 1.0
5
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