SX1213 データシートの表示（PDF） - Semtech Corporation
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SX1213 Datasheet PDF : 65 Pages
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ADVANCED COMMUNICATIONS & SENSING
SX1213
2.4.3. Receiver
On the following table, fc and fo describe the bandwidth of the active channel filters as described in section
3.3.4.2. All sensitivities are measured receiving a PN15 sequence, for a BER of 0.1.%
Table 7: Receiver Specification
Symbol
RFS_F
Description
Sensitivity (FSK)
Conditions
Min
434 MHz, BR=25 kb/s, Fdev
=50 kHz, fc=100 kHz
-
Typ
-104
Max Unit
-
dBm
RFS_O
Sensitivity (OOK)
434 MHz, 2kb/s NRZ
fc-fo=50 kHz, fo=50 kHz
-
-110
-
dBm
CCR
Co-channel rejection
Modulation as wanted signal
-
-12
Offset = 300 kHz, unwanted
tone is not modulated
-
27
ACR
Adjacent channel
rejection
Offset = 600 kHz, unwanted
tone is not modulated
-
52
Offset = 1.2 MHz, unwanted
tone is not modulated
-
57
Offset = 1 MHz,
unmodulated
-
-48
BI
Blocking immunity
Offset = 2 MHz,
unmodulated, no SAW
-
-37
Offset = 10 MHz,
unmodulated, no SAW
-
-33
RXBW_F(1,2)
Receiver bandwidth in
FSK mode
Single side BW
Polyphase Off
50
-
RXBW_O(1,2)
IIP3
TS_RE(1)
TS_RE2(1)
Receiver bandwidth in
OOK mode
Input 3rd order intercept
point
Receiver wake-up time
Receiver wake-up time
Single side BW
Polyphase On
Interferers at 1MHz and
1.950 MHz offset
From FS to Rx ready
From Stby to Rx ready
50
-
-
-28
-
280
-
600
200 kHz step
-
400
1MHz step
-
400
Receiver hop time from 5MHz step
-
460
TS_RE_HOP Rx ready to Rx ready with 7MHz step
-
480
a frequency hop
12MHz step
-
520
20MHz step
-
550
27MHz step
-
600
TS_RSSI
RSSI sampling time
From Rx ready
-
-
DR_RSSI
RSSI dynamic Range
Ranging from sensitivity
-
70
(1) Information from design and characterization
(2) This reflects the whole receiver bandwidth, as described in sections 3.3.4.1 and 3.3.4.2
-
-
-
-
-
-
-
250
400
-
500
900
-
-
-
-
-
-
-
1/Fdev
-
dBc
dB
dB
dB
dBm
dBm
dBm
kHz
kHz
dBm
µs
µs
µs
µs
µs
µs
µs
µs
µs
s
dB
Rev.2 – July 1st, 2009
Page 10 of 65
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