SPIRIT1 datasheet(20/94 Pages) STMICROELECTRONICS

20 / 94 page

Characteristics

SPIRIT1

20/94

Doc ID 022758 Rev 3

6.2.4

RF transmitter

Characteristics measured over recommended operating conditions unless otherwise

specified. All typical values are referred to TA = 25 °C, VBAT = 3.0 V. All performance is

referred to a 50 Ohm antenna connector, via the reference design.

RXSPUR

Spurious emissions

(maximum values according

to ETSI EN 300 220-1)

RF = 170 MHz, f< 1 GHz

-65

dBm

RF = 170 MHz, 1 GHz < f < 4 GHz

-69

RF = 433 MHz - 435 MHz, f< 1

GHz

-63

RF = 433 MHz - 435 MHz, 1 GHz

< f < 4 GHz

-83

RF = 868 MHz, f< 1 GHz

-70

RF = 868 MHz, 1 GHz < f < 6 GHz

-60

Spurious emissions (maxi-

mum values according to

ARIB STD-T93)

RF = 312 MHz - 315 MHz, f< 1

GHz

-69

RF = 312 MHz - 315 MHz, f> 1

GHz

-59

Spurious emissions (maxi-

mum values according to

ARIB STD-T67)

RF = 426 MHz - 470 MHz

-61

Spurious emissions (maxi-

mum values according to

ARIB STD-T108)

RF = 920 MHz - 924 MHz, f< 710

MHz

<-70

RF = 920 MHz - 924 MHz, 710

MHz < f < 915 MHz

RF = 920 MHz - 924 MHz, 915

MHz < f < 930 MHz

RF = 920 MHz - 924 MHz, 930

MHz < f < 1 GHz

RF = 920 MHz - 924 MHz, f> 1

GHz

-75

ZIN, RX

Differential Input Impedance

(simulated values)

Max RX gain

RF = 170 MHz

RF = 315 MHz

RF = 433 MHz

RF = 868 MHz

RF = 915 MHz

RF = 922 MHz

200 - j36

180 - j57

170 - j70

118 - j87

113 - j87

Guaranteed in an entire single sub band. Reference design can be different for different application bands.

In OOK modulation, indicated value represents mean power.

Interferer is CW signal (as specified by ETSI EN 300 220 v1).

Blocker is CW signal (as specified by ETSI EN 300 220 v1)

Table 10.

RF receiver characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

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