SPIRIT1 datasheet(19/94 Pages) STMICROELECTRONICS

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SPIRIT1

Characteristics

Doc ID 022758 Rev 3

19/94

C/I2-CH

(3)

Alternate channel rejection,

1% PER (packet length = 20

bytes)

FEC DISABLED

868 MHz

Desired channel 3 dB above

sensitivity level. 25 kHz channel

spacing, 2-FSK 1.2 kbps, (1 kHz

dev. CH Filter=6 kHz)

Desired channel 3 dB above

sensitivity level. 100 kHz channel

spacing, 2-FSK 1.2 kbps, (4.8 kHz

dev. CH Filter=58 kHz)

Desired channel 3 dB above

sensitivity level. 400 kHz channel

spacing, 2-GFSK (BT=1) 38.4

kbps, (20 kHz dev. CH Filter=100

kHz)

Desired channel 3 dB above

sensitivity level. 1.5 MHz channel

spacing, 2-GFSK (BT=1) 250

kbps, (127 kHz dev. CH Filter=540

kHz)

IMREJ

(3)

Image rejection, 1% PER

(packet length = 20 bytes)

1% PER (packet length = 20

bytes) FEC DISABLED

868 MHz 2-GFSK (BT=1) 38.4

kbps (20kHz dev. CH Filter=100

kHz), desired channel 3 dB above

the sensitivity limit, with IQC

correction.

RXBLK

(4)

Blocking at offset above the

upper band edge and below

the lower band edge 1%

BER

@ 2 MHz offset, 868 MHz 2-

GFSK (BT=1) 38.4kbps, desired

channel 3 dB above the sensitivity

limit

-42

dBm

@ 10 MHz offset, 868 MHz 2-

GFSK (BT=1) 38.4kbps, desired

channel 3 dB above the sensitivity

limit

-40

dBm

Table 10.

RF receiver characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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