S2-LPS datasheet(14/73 Pages) STMICROELECTRONICS

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3.8.1

Blocking and selectivity at 433 MHz

Table 17. Blocking and selectivity at 433 MHz

Parameter

Test condition

HPM

SMPS on

(typ.)

LPM

SMPS ON

typ.

Unit

Selectivity and blocking 1%

BER @ 2-GFSK BT=0.5 20 kHz FDEV, DR = 38.4 kbps, CHF = 100 kHz

+100 kHz (adjacent

channel)

-100 kHz (adjacent

channel)

+200 kHz (alternate

channel)

-200 kHz (alternate

channel)

Image rejection

±2 MHz

±10 MHz

3.8.2

Sensitivity at 433 MHz

Table 18. Sensitivity at 433 MHz

Parameter

Test conditions

HPM/LPM SMPS on (typ.)

Unit

Sensitivity

1% BER @ 2-GFSK BT = 0.5

DR = 38.4 kbps, FDEV = 20 kHz, CHF = 100 kHz

-109

dBm

Sensitivity

1% BER @ OOK

DR = 0.3 kbps, CHF = 1 kHz

-120

dBm

DR = 1.2 kbps, CHF = 4 kHz

-118

DR = 38.4 kbps, CHF = 100 kHz

-104

3.8.3

Blocking and selectivity at 840-868 MHz

Table 19. Blocking and selectivity @ 840-868 MHz

Parameter

Test conditions

HPM

SMPS on

(typ.)

LPM

SMPS on

(typ.)

Unit

Selectivity and blocking 1% BER @ 2-GFSK BT = 0.5, 20 kHz FDEV,

DR = 38.4 kbps, CHF = 100 kHz

+100 kHz (adjacent

channel)

-100 kHz (adjacent

channel)

+200 kHz (alternate

channel)

-200 kHz (alternate

channel)

Image rejection

± 2 MHz

± 10 MHz

S2-LPS

RF receiver

DS13831 - Rev 1

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