STA2500D datasheet(24/57 Pages) STMICROELECTRONICS

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General specification

STA2500D

24/57

Doc ID 16067 Rev 1

6.2

Transmitter

Unless otherwise stated, typical is defined at Tamb = 25 °C, BT_HV = 2.75 V. Minimum and

Maximum are worst cases over corner lots and temperature. Parameters are given at device

pin, except for in-band spurious measured at antenna.

Table 19.

Transmitter parameters

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

RFout

Output frequency range

2402

2480

MHz

RF Transmit Power

TXpout

(GFSK)

Maximum output power(1)

@ 2402 - 2480 MHz

@ 25 °C

dBm

TXpout

(GFSK)

Maximum output power(1)

@ 2402 - 2480 MHz

@ worst cases over

corner lots and

temperature

4.5

10.5

dBm

TXpout

(GFSK)

Minimum output power

@ 2402 - 2480 MHz

-52.5

-47.5

-42.5

dBm

TXpout

(

π/4-DQPSK)

Maximum output power(1) (2)

@ 2402 - 2480 MHz

@ 25 °C

3.5

dBm

TXpout

(

π/4-DQPSK)

Minimum output power(2)

@ 2402 - 2480 MHz

-43.5

-38.5

-33.5

dBm

TXpoutrel

(

π/4-DQPSK)

Relative transmit power (3)

@ 2402 - 2480 MHz

-0.2

TXpout

(8-DPSK)

Maximum output power(1) (2)

@ 2402 - 2480 MHz

@ 25 °C

3.5

dBm

TXpout

(8-DPSK)

Minimum output power(2)

@ 2402 - 2480 MHz

-43.5

-38.5

-33.5

dBm

TXpoutrel

(8-DPSK)

Relative transmit power (3)

@ 2402 - 2480 MHz

-0.2

In-band spurious emission(4)

FCC

FCC’s 20 dB BW

900

930

950

kHz

ACP_2

Channel offset = ±2 MHz

-43.5

-20

dBm

ACP_3

Channel offset = ±-3 MHz

-52.5

-40

dBm

ACP_4

Channel offset

≥ ±4 MHz

-54.5

-40

dBm

EDR_IBS_1

Channel offset = ±1 MHz (2 and

3 Mbps)

-33.5

-26

EDR_IBS_2

Channel offset = ±2 MHz (2 and

3 Mbps)

-31.5

-20

dBm

EDR_IBS_3

Channel offset = ±3 MHz (2 and

3 Mbps)

-45

-40

dBm

EDR_IBS_4

Channel offset = ±4 MHz (2 and

3 Mbps)

-50

-40

dBm

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