SX1276IMLTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SX1276IMLTRT

137 MHz to 1020 MHz Low Power Long Range Transceiver

Semtech Corporation 

SX1276/77/78/79

WIRELESS, SENSING & TIMING

DATASHEET

2.5.3. FSK/OOK Mode Receiver

All receiver tests are performed with RxBw = 10 kHz (Single Side Bandwidth) as programmed in RegRxBw, receiving a

PN15 sequence. Sensitivities are reported for a 0.1% BER (with Bit Synchronizer enabled), unless otherwise specified.

Blocking tests are performed with an unmodulated interferer. The wanted signal power for the Blocking Immunity, ACR,

IIP2, IIP3 and AMR tests is set 3 dB above the receiver sensitivity level.

Table 8 FSK/OOK Receiver Specification

Symbol

RFS_F_LF

RFS_F_HF

RFS_O

CCR

ACR

BI_HF

BI_LF

Description

Conditions

Min

Direct tie of RFI and RFO pins,

shared Rx, Tx paths FSK sensitiv-

ity, highest LNA gain.

Bands 2&3

FDA = 5 kHz, BR = 1.2 kb/s

FDA = 5 kHz, BR = 4.8 kb/s

FDA = 40 kHz, BR = 38.4 kb/s*

FDA = 20 kHz, BR = 38.4 kb/s**

FDA = 62.5 kHz, BR = 250 kb/s***

-

-

-

-

-

FDA = 5 kHz, BR = 1.2 kb/s

-

Split RF paths, the RF switch

FDA = 5 kHz, BR = 4.8 kb/s

-

insertion loss is not accounted for. FDA = 40 kHz, BR = 38.4 kb/s*

-

Bands 2&3

FDA = 20 kHz, BR = 38.4 kb/s**

-

FDA = 62.5 kHz, BR = 250 kb/s***

-

Direct tie of RFI and RFO pins,

shared Rx, Tx paths FSK sensitiv-

ity, highest LNA gain.

Band 1

FDA = 5 kHz, BR = 1.2 kb/s

FDA = 5 kHz, BR = 4.8 kb/s

FDA = 40 kHz, BR = 38.4 kb/s*

FDA = 20 kHz, BR = 38.4 kb/s**

FDA = 62.5 kHz, BR = 250 kb/s***

-

-

-

-

-

Split RF paths, LnaBoost is turned

on, the RF switch insertion loss is

not accounted for.

Band 1

FDA = 5 kHz, BR = 1.2 kb/s

FDA = 5 kHz, BR = 4.8 kb/s

FDA = 40 kHz, BR = 38.4 kb/s*

FDA = 20 kHz, BR = 38.4 kb/s**

FDA = 62.5 kHz, BR = 250 kb/s***

-

-

-

-

-

OOK sensitivity, highest LNA gain BR = 4.8 kb/s

-

shared Rx, Tx paths

BR = 32 kb/s

-

Co-Channel Rejection, FSK

-

Adjacent Channel Rejection

FDA = 5 kHz, BR=4.8kb/s

Offset = +/- 25 kHz or +/- 50kHz

Band 1 -

Band 2 -

Band 3 -

Offset = +/- 1 MHz

-

Blocking Immunity, Band 1

Offset = +/- 2 MHz

-

Offset = +/- 10 MHz

-

Offset = +/- 1 MHz

-

Blocking Immunity, Bands 2&3

Offset = +/- 2 MHz

-

Offset = +/- 10 MHz

-

Typ

-121

-117

-107

-108

-95

-123

-119

-109

-110

-97

-119

-115

-105

-105

-92

-123

-119

-109

-109

-96

-117

-108

-9

50

56

60

71

76

84

71

72

78

Max Unit

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dBm

- dB

- dB

- dB

- dB

- dB

- dB

- dB

- dB

- dB

- dB

Rev. 4 - March 2015

©2015 Semtech Corporation

Page 16

www.semtech.com

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