BLUENRG-LP datasheet(42/72 Pages) STMICROELECTRONICS

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Table 19. Bluetooth Low Energy RF receiver characteristics at 1 Msym/s uncoded

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

RXSENS

Sensitivity

PER < 30.8%

-97

dBm

PSAT

Saturation

PER < 30.8%

dBm

ZRF1

Optimum RF source

(impedance at RF1 pin)

@ 2440 MHz

RF selectivity with BLE equal modulation on interfering signal

C/ICO-channel

Co-channel interference

fRX = finterference

Wanted signal = -67 dBm, PER < 30.8%

dBc

C/I1 MHz

Adjacent interference

finterference = fRX ± 1 MHz

Wanted signal = -67 dBm, PER < 30.8%

-1

dBc

C/I2 MHz

Adjacent Interference

finterference = fRX ± 2 MHz

Wanted signal = -67 dBm, PER < 30.8%

-35

dBc

C/I3 MHz

Adjacent interference

finterference = fRX ± (3+n) MHz

[n = 0,1,2…]

Wanted signal = -67 dBm, PER < 30.8%

-47

dBc

C/IImage

Image frequency interference

finterference = fimage

Wanted signal = -67 dBm, PER < 30.8%

-25

dBc

C/IImage±1 MHz

Adjacent channel-to-image frequency

Wanted signal= -67 dBm, PER < 30.8%

-25

dBc

finterference = fimage ± 1 MHz

Out of band blocking (interfering signal CW)

C/IBlock

Interfering signal frequency 30 MHz –

2000 MHz

Wanted signal = -67 dBm, PER < 30.8%,

measurement resolution 10 MHz

dBm

C/IBlock

Interfering signal frequency 2003 MHz –

2399 MHz

Wanted signal = -67 dBm, PER < 30.8%,

measurement resolution 3 MHz

-5

dBm

C/IBlock

Interfering signal frequency 2484 MHz –

2997 MHz

Wanted signal = -67 dBm, PER < 30.8%,

measurement resolution 3 MHz

-5

dBm

C/IBlock

Interfering signal frequency 3000 MHz –

12.75 GHz

Wanted signal = -67 dBm, PER < 30.8%,

measurement resolution 25 MHz

dBm

Intermodulation characteristics (CW signal at f1, BLE interfering signal at f2)

P_IM(3)

Input power of IM interferer at 3 and 6

MHz distance from wanted signal

Wanted signal = -64 dBm, PER < 30.8%

-27

dBm

P_IM(-3)

Input power of IM interferer at -3 and -6

MHz distance from wanted signal

Wanted signal = -64 dBm, PER < 30.8%

-40

dBm

P_IM(4)

Input power of IM interferer at ±4 and ±8

MHz distance from wanted signal

Wanted signal= -64 dBm, PER < 30.8%

-32

dBm

P_IM(5)

Input power of IM interferer at ±5 and ±10

MHz distance from wanted signal

Wanted signal = -64 dBm, PER < 30.8%

-32

dBm

Table 20. Bluetooth Low Energy RF receiver characteristics at 2 Msym/s uncoded

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

RXSENS

Sensitivity

PER < 30.8%

-94

dBm

PSAT

Saturation

PER < 30.8%

dBm

BlueNRG-LP

Operating conditions

DS13282 - Rev 2

page 42/72

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