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CC1000-RTR1 Scheda tecnica(PDF) 22 Page - Texas Instruments

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Il numero della parte CC1000-RTR1
Spiegazioni elettronici  Single Chip Very Low Power RF Transceiver
PDF  55 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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CC1000-RTR1 Scheda tecnica(HTML) 22 Page - Texas Instruments

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CC1000
SWRS048A
Page 22 of 55
13. Receiver sensitivity versus data rate and frequency separation
The receiver sensitivity depends on the
data rate, the data format, FSK frequency
separation and the RF frequency. Typical
figures for the receiver sensitivity (BER =
10
-3) are shown in Table 6 for 64 kHz
frequency separations and Table 7 for 20
kHz
separations.
Optimised
sensitivity
configurations
are
used.
For
best
performance
the
frequency
separation
should be as high as possible especially at
high data rates. Table 8 shows the
sensitivity for low current settings. See
page 28 for how to program different
current consumption.
433 MHz
868 MHz
Data rate
[kBaud]
Separation
[kHz]
NRZ
mode
Manchester
mode
UART
mode
NRZ
mode
Manchester
mode
UART
mode
0.6
64
-113
-114
-113
-110
-111
-110
1.2
64
-111
-112
-111
-108
-109
-108
2.4
64
-109
-110
-109
-106
-107
-106
4.8
64
-107
-108
-107
-104
-105
-104
9.6
64
-105
-106
-105
-102
-103
-102
19.2
64
-103
-104
-103
-100
-101
-100
38.4
64
-102
-103
-102
-98
-99
-98
76.8
64
-100
-101
-100
-97
-98
-97
Average current
consumption
9.3 mA
11.8 mA
Table 6. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10
-3,
frequency separation 64 kHz, normal current settings
433 MHz
868 MHz
Data rate
[kBaud]
Separation
[kHz]
NRZ
mode
Manchester
mode
UART
mode
NRZ
mode
Manchester
mode
UART
mode
0.6
20
-109
-111
-109
-106
-108
-106
1.2
20
-108
-110
-108
-104
-106
-104
2.4
20
-106
-108
-106
-103
-105
-103
4.8
20
-104
-106
-104
-101
-103
-101
9.6
20
-103
-104
-103
-100
-101
-100
19.2
20
-102
-103
-102
-99
-100
-99
38.4
20
-98
-100
-98
-98
-99
-98
76.8
20
-94
-98
-94
-94
-96
-94
Average current
consumption
9.3 mA
11.8 mA
Table 7. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10
-3,
frequency separation 20 kHz, normal current settings
433 MHz
868 MHz
Data rate
[kBaud]
Separation
[kHz]
NRZ
mode
Manchester
mode
UART
mode
NRZ
mode
Manchester
mode
UART
mode
0.6
64
-111
-113
-111
-107
-109
-107
1.2
64
-110
-111
-110
-106
-107
-106
2.4
64
-108
-109
-108
-104
-105
-104
4.8
64
-106
-107
-106
-102
-103
-102
9.6
64
-104
-105
-104
-100
-101
-100
19.2
64
-102
-103
-102
-98
-99
-98
38.4
64
-101
-102
-101
-96
-97
-96
76.8
64
-99
-100
-99
-95
-96
-95
Average current
consumption
7.4 mA
9.6 mA
Table 8. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10
-3,
frequency separation 64 kHz , low current settings



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