Texas Instruments 3138 155 232931 - Manual (Page 10)

CC2420
SWRS041B Page 10 of 89
6.3 Receive Section
Parameter Min. Typ. Max. Unit Condition / Note
Receiver Sensitivity
-90 -95 dBm PER = 1%, as specified by [1]
Measured in a 50 Ω single-ended
load through a balun.
[1] requires –85 dBm
Saturation (maximum input level) 0 10 dBm PER = 1%, as specified by [1]
Measured in a 50 Ω single–ended
load through a balun.
[1] requires –20 dBm
Adjacent channel rejection
+ 5 MHz channel spacing 45 dB
Wanted signal @ -82 dBm,
adjacent modulated channel at
+5 MHz, PER = 1 %, as specified
by [1].
[1] requires 0 dB
Adjacent channel rejection
- 5 MHz channel spacing 30 dB
Wanted signal @ -82 dBm,
adjacent modulated channel at
-5 MHz, PER = 1 %, as specified
by [1].
[1] requires 0 dB
Alternate channel rejection
+ 10 MHz channel spacing 54 dB
Wanted signal @ -82 dBm,
adjacent modulated channel at
+10 MHz, PER = 1 %, as
specified by [1]
[1] requires 30 dB
Alternate channel rejection
- 10 MHz channel spacing 53 dB
Wanted signal @ -82 dBm,
adjacent modulated channel at
-10 MHz, PER = 1 %, as
specified by [1]
[1] requires 30 dB
Channel rejection
≥ + 15 MHz
≤ - 15 MHz
62
62
dB
dB
Wanted signal @ -82 dBm.
Undesired signal is an IEEE
802.15.4 modulated channel,
stepped through all channels
from 2405 to 2480 MHz. Signal
level for PER = 1%.
Co-channel rejection
-3 dB
Wanted signal @ -82 dBm.
Undesired signal is an IEEE
802.15.4 modulated at the same
frequency as the desired signal.
Signal level for PER = 1%.
Blocking / Desensitisation
+/- 5 MHz from band edge
+/- 20 MHz from band edge
+/- 30 MHz from band edge
+/- 50 MHz from band edge -28
-28
-27
-28 dBm
dBm
dBm
dBm Wanted signal 3 dB above the
sensitivity level, CW jammer,
PER = 1%. Complies with EN
300 440 class 2.
Spurious emission
30 – 1000 MHz
1 – 12.75 GHz -73
-58 dBm
dBm Conducted measurement in a 50
Ω single ended load. Measured
according to EN 300 328, EN 300
440 class 2, FCC CFR47, Part 15
and ARIB STD-T-66