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CC2480
5.2
RF Receive Section
Measured on Texas Instruments CC2480 EM reference design with T A =25 ° C and VDD=3.0V
unless stated otherwise.
Table 5: RF Receive Parameters
Parameter
Receiver sensitivity
Min
Typ
-92
Max
Unit
dBm
Condition/Note
PER = 1%, as specified by [1]
Measured in 50 ? single endedly through a balun.
[1] requires –85 dBm
Saturation (maximum input
level)
10
dBm
PER = 1%, as specified by [1]
Measured in 50 ? single endedly through a balun.
[1] requires –20 dBm
Adjacent channel rejection
Wanted signal -88dBm, adjacent modulated channel
+ 5 MHz channel spacing
41
dB
at +5 MHz, PER = 1 %, as specified by [1].
[1] requires 0 dB
Adjacent channel rejection
Wanted signal -88dBm, adjacent modulated channel
- 5 MHz channel spacing
30
dB
at -5 MHz, PER = 1 %, as specified by [1].
[1] requires 0 dB
Alternate channel rejection
Wanted signal -88dBm, adjacent modulated channel
+ 10 MHz channel spacing
55
dB
at +10 MHz, PER = 1 %, as specified by [1]
[1] requires 30 dB
Alternate channel rejection
Wanted signal -88dBm, adjacent modulated channel
- 10 MHz channel spacing
53
dB
at -10 MHz, PER = 1 %, as specified by [1]
[1] requires 30 dB
Channel rejection
Wanted signal @ -82 dBm. Undesired signal is an
≥ + 15 MHz
≤ - 15 MHz
Co-channel rejection
55
53
-6
dB
dB
dB
802.15.4 modulated channel, stepped through all
channels from 2405 to 2480 MHz. Signal level for
PER = 1%. Values are estimated.
Wanted signal @ -82 dBm. Undesired signal is
802.15.4 modulated at the same frequency as the
desired signal. Signal level for PER = 1%.
Blocking / Desensitization
+ 5 MHz from band edge
+ 10 MHz from band edge
+ 20 MHz from band edge
+ 50 MHz from band edge
- 5 MHz from band edge
- 10 MHz from band edge
- 20 MHz from band edge
- 50 MHz from band edge
-42
-29
-26
-22
-31
-36
-24
-25
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Wanted signal 3 dB above the sensitivity level, CW
jammer, PER = 1%. Measured according to EN 300
440 class 2.
Spurious emission
30 – 1000 MHz
1 – 12.75 GHz
? 64
? 75
dBm
dBm
Conducted measurement in a 50 ? single ended
load. Complies with EN 300 328, EN 300 440 class
2, FCC CFR47, Part 15 and ARIB STD-T-66.
Frequency error tolerance
±140
ppm
Difference between centre frequency of the received
RF signal and local oscillator frequency.
[1] requires minimum 80 ppm
Symbol rate error tolerance
±900
ppm
Difference between incoming symbol rate and the
internally generated symbol rate
[1] requires minimum 80 ppm
5.3
RF Transmit Section
Measured on Texas Instruments CC2480 EM reference design with T A =25 ° C, VDD=3.0V, and
nominal output power unless stated otherwise.
CC2480 Data Sheet SWRS074A
Page 9 of 43
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