STM32W108CB datasheet(171/179 Pages) STMICROELECTRONICS

171 / 179 page

STM32W108CB, STM32W108HB

Electrical characteristics

Doc ID 16252 Rev 2

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12.8

RF electrical characteristics

12.8.1

Receive

Table 43 lists the key parameters of the integrated IEEE 802.15.4 receiver on the STM32W.

Note:

Receive measurements were collected with ST’s STM32W Ceramic Balun Reference

Design (Version A0) at 2440 MHz. The Typical number indicates one standard deviation

above the mean, measured at room temperature (25

°C). The Min and Max numbers were

measured over process corners at room temperature

Table 43.

Receive characteristics

Parameter

Conditions

Min.

Typ.

Max.

Unit

Frequency range

2400

2500

MHz

Sensitivity (boost mode)

1% PER, 20 byte packet

defined by IEEE 802.15.4-2003

-100

-95

dBm

Sensitivity

1% PER, 20 byte packet

defined by IEEE 802.15.4-2003

-99

-94

dBm

High-side adjacent channel

rejection

IEEE 802.15.4 signal at -82

dBm

Low-side adjacent channel

rejection

IEEE 802.15.4 signal at -82

dBm

2nd high-side adjacent channel

rejection

IEEE 802.15.4 signal at -82

dBm

2nd low-side adjacent channel

rejection

IEEE 802.15.4 signal at -82

dBm

Channel rejection for all other

channels

IEEE 802.15.4 signal at -82

dBm

802.11g rejection centered at +12

MHz or -13 MHz

IEEE 802.15.4 signal at -82

dBm

Maximum input signal level for

correct operation

0dBm

Co-channel rejection

IEEE 802.15.4 signal at -82

dBm

-6

dBc

Relative frequency error

(2x40 ppm required by IEEE

802.15.4)

-120

+120

ppm

Relative timing error

(2x40 ppm required by IEEE

802.15.4)

-120

+120

ppm

Linear RSSI range

As defined by IEEE 802.15.4

RSSI Range

-90

-30

dBm

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