AXM0F243 datasheet(27/53 Pages) ONSEMI

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AXM0F243

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Table 43. RECEIVER

Symbol

Description

Condition

Min

Typ

Max

Units

SBR

Signal bit rate

0.1

125

kbps

ISBER868

Input sensitivity at

BER = 10−3

for 868 MHz operation,

continuous data,

without FEC

FSK, h = 0.5, 100 kbps

−106

dBm

FSK, h = 0.5, 10 kbps

−116

FSK, 500 Hz deviation, 1.2 kbps

−126

PSK, 100 kbps

−109

PSK, 10 kbps

−120

PSK, 1 kbps

−130

ISBER868FEC

Input sensitivity at

BER = 10−3, for 868 MHz oper-

ation, continuous data,

with FEC

FSK, h = 0.5, 50 kbps

−111

dBm

FSK, h = 0.5, 5 kbps

−122

FSK, 0.1 kbps

−137

ISPER868

Input sensitivity at

PER = 1%, for 868 MHz opera-

tion, 144 bit packet data, without

FEC

FSK, h = 0.5, 100 kbps

−103

dBm

FSK, h = 0.5, 10 kbps

−115

FSK, 500 Hz deviation, 1.2 kbps

−125

ISWOR868

Input sensitivity at

PER = 1% for 868 MHz opera-

tion, WOR−mode, without FEC

FSK, h= 0.5, 100 kpbs

−102

dBm

FSK

CP1dB

Input referred compression point

2 tones separated by 100 kHz

−35

dBm

RSSIR

RSSI control range

FSK, 500 Hz deviation,

1.2 kbps

−126

−46

RSSIS1

RSSI step size

Before digital channel filter; calculated

from register AX5043_AGCCOUNTER

0.625

RSSIS2

RSSI step size

Behind digital channel filter; calculated

from registers AX5043_AGCCOUNTER,

AX5043_TRKAMPL

0.1

RSSIS3

RSSI step size

Behind digital channel filter; reading reg-

ister AX5043_RSSI

SEL868

Adjacent channel suppression

25 kHz channels , Note 1

100 kHz channels, Note 1

BLK868

Blocking at ± 10 MHz offset

Note 2

RAFC

AFC pull−in range

The AFC pull−in range can be pro-

grammed with the AX5043_MAXR-

FOFFSET registers.

The AFC response time can be pro-

grammed with the AX5043_FRE-

QGAIND register.

± 15

RDROFF

Bitrate offset pull−in range

The bitrate pull−in range can be pro-

grammed with the

AX5043_MAXDROFFSET registers.

± 10

1. Interferer/Channel @ BER = 10−3, channel level is +3 dB above the typical sensitivity, the interfering signal is CW; channel signal is

modulated with shaping

2. Channel/Blocker @ BER = 10−3, channel level is +3 dB above the typical sensitivity, the blocker signal is CW; channel signal is modulated

with shaping

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