STS1TX datasheet(9/70 Pages) STMICROELECTRONICS

Part #	STS1TX

Description	Industrial monitoring and control

PDF	70 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 70 page

DocID025109 Rev 1

9/70

STS1TX

Typical application diagram and pin description

Figure 3. Application diagram for TX boost mode

Table 2 covers all the frequency bands using a set of different external components as

shown in Table 3: BOM for different bands.

Table 2. Description of the external components of the typical application diagram

Components

Description

Decoupling capacitor for on-chip voltage regulator to digital part

C1, C2, C3, C14, C15 RF LC filter/matching capacitors

Matching DC blocking capacitors

C9, C10

Crystal loading capacitors

C11, C12, C13

SMPS LC filter capacitor

RF choke inductor

L1, L2, L3, L9

RF LC filter/matching inductors

XTAL

24, 26, 48, 52 MHz

1 GPIO_0

SDN 15

SMPS Ext1 14

SMPS Ext2 13

TX 12

GND PA 11

2 SDO

3 SDI

4 SCLK

5 CSn

1.8V - 3.6V power supply

Spirit1 TX

DIE ATTACH PAD:

Antenna

(50

Ω)

STS1TX

GAMS080520131124FSR

STS1TX Datasheet(PDF) 9 Page - STMicroelectronics