RF96 datasheet(14/121 Pages) HOPE

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Page 14

RF96/97/98

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WIRELESS & SENSING

PRELIMINARY

DATASHEET

FRC

RC Oscillator frequency

After calibration

62.5

kHz

BRF

Bit rate, FSK

Programmable values (1)

1.2

300

kbps

BRO

Bit rate, OOK

Programmable

1.2

32.768

kbps

BRA

Bit Rate Accuracy

ABS(wanted BR - available BR)

250

ppm

FDA

Frequency deviation, FSK (1)

Programmable

FDA + BRF/2 =< 250 kHz

0.6

200

kHz

Note

For Maximum Bit rate the maximum modulation index is 0.5.

2.4.3. 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 53 FSK/OOK Receiver Specification

Symbol

Description

Conditions

Min

Typ

Max

Unit

RFS_F_LF

Direct tie of RFI and RFO pins,

shared Rx, Tx paths FSK sensitiv-

ity, highest LNA gain.

Lower frequency bands

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***

-121

-117

-107

-108

-95

dBm

Split RF paths, the RF switch

insertion loss is not accounted for.

Lower frequency bands

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***

-123

-119

-109

-110

-97

dBm

RFS_F_HF

Direct tie of RFI and RFO pins,

shared Rx, Tx paths FSK sensitiv-

ity, highest LNA gain.

Higher frequency bands

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***

-119

-115

-105

-92

dBm

Split RF paths, LnaBoost is turned

on, the RF switch insertion loss is

not accounted for.

Higher frequency bands

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***

-123

-119

-109

-96

dBm

RFS_O

OOK sensitivity, highest LNA gain

shared Rx, Tx paths

BR = 4.8 kb/s

BR = 32 kb/s

-117

-108

dBm

CCR

Co-Channel Rejection

-9

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