
160
8111C–MCU Wireless–09/09
AT86RF231
12.7
Receiver Characteristics
Test Conditions (unless otherwise stated):
V
DD = 3.0V, fRF = 2.45 GHz, TOP = 25°C, PSDU bit rate = 250 kb/s, Measurement setup see Fig- Note:
1. Offset equals ±120 ppm.
Table 12-7.
Receiver Characteristics
No.
Symbol
Parameter
Condition
Min.
Typ.
Max
Units
12.7.1
PSENS
Receiver sensitivity
250 kb/s
500 kb/s
1000 kb/s
2000 kb/s
AWGN channel, PER
≤ 1%,
PSDU length 20 octets
High Data Rate Modes:
PSDU length 20 octets
-101
-97
-95
-89
dBm
Antenna Diversity
250 kb/s, PSDU 20 octets
-99
dBm
12.7.2
RL
Return loss
100
Ω differential impedance
10
dB
12.7.3
NF
Noise figure
6dB
12.7.4
PRXMX
Maximum RX input level
PER
≤ 1%, PSDU length of 20 octets
10
dBm
12.7.5
P
ACRN
Adjacent channel rejection:
Δf = -5 MHz
PER
≤ 1%, PSDU length of 20 octets,
PRF = -82 dBm
32
dB
12.7.6
P
ACRP
Adjacent channel rejection:
Δf = +5 MHz
PER
≤ 1%, PSDU length of 20 octets,
PRF = -82 dBm
35
dB
12.7.7
P
AACR1
Alternate channel rejection:
Δf = |10 MHz|
PER
≤ 1%, PSDU length of 20 octets,
PRF = -82 dBm
48
dB
12.7.8
P
AACR2
2nd Alternate channel rejection:
Δf = |15 MHz|
PER
≤ 1%, PSDU length of 20 octets,
PRF = -82 dBm
54
dB
12.7.9
P
SPUR
Spurious emissions:
LO leakage
30 -
≤1000 MHz
>1 - 12.75 GHz
-70
-57
-47
dBm
12.7.10
fRXTXOFFS
TX/RX carrier frequency offset
Sensitivity loss < 2 dB
+300
kHz
12.7.11
IIP3
3rd - order intercept point
At maximum gain
Offset freq. interf. 1 = 5 MHz
Offset freq. interf. 2 = 10 MHz
-10
dBm
12.7.12
IIP2
2nd - order intercept point
At maximum gain
Offset freq. interf. 1 = 60 MHz
Offset freq. interf. 2 = 62 MHz
31
dBm
12.7.13
RSSI tolerance
Tolerance within gain step
±5
dB
12.7.14
RSSI dynamic range
81
dB
12.7.15
RSSI resolution
3dB
12.7.16
RSSI sensitivity
Defined as RSSI_BASE_VAL
-91
dBm
12.7.17
Minimum RSSI value
PRF ≤ RSSI_BASE_VAL
0
12.7.18
Maximum RSSI value
P
RF > RSSI_BASE_VAL + 81 dB
28