AX5243 datasheet(19/65 Pages) ONSEMI

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Specifications

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AX5243

Receiver Sensitivities

The table lists typical input sensitivities (without FEC) in dBm at the SMA connector with

the complete matching network for BER=10-3 at 433 or 868 MHz.

Data

rate

[kbps]

FSK

h=0.66

FSK

h=1

FSK

h=2

FSK

h=4

FSK

h=5

FSK

h=8

FSK

h=16

PSK

0.1

Sensitivity [dBm]

-135

-134.5

-132.5

-133

-133.5

-133

-132.5

-138

RX Bandwidth [kHz]

0.2

0.3

0.5

0.6

0.9

2.1

0.2

Deviation [kHz]

0.033

0.05

0.1

0.2

0.25

0.4

0.8

Sensitivity [dBm]

-126

-125

-123

-123.5

-124

-123.5

-122.5

-130

RX Bandwidth [kHz]

1.5

Deviation [kHz]

0.33

0.5

2.5

Sensitivity [dBm]

-117

-116

-113

-114

-113.5

-113

-120

RX Bandwidth [kHz]

110

Deviation [kHz]

3.3

100

Sensitivity [dBm]

-107

-105.5

-109

RX Bandwidth [kHz]

150

200

100

Deviation [kHz]

125

Sensitivity [dBm]

-105

-104

-108

RX Bandwidth [kHz]

187.5

200

125

Deviation [kHz]

42.3

62.5

Notes

Sensitivities are equivalent for 1010 data streams and PN9 whitened data streams.

RX bandwidths < 0.9 kHz cannot be achieved with an 48 MHz TCXO. A 16 MHz TCXO was used for all measurements at 0.1 kbps.

Receiver

SYM

DESCRIPTION

CONDITION

MIN

TYP

MAX

UNIT

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

-105

dBm

FSK, h = 0.5, 10 kbps

-116

FSK, 500 Hz deviation,

1.2 kbps

-126

PSK, 100 kbps

-109

PSK, 100 kbps

-120

PSK, 100 kbps

-130

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