SI4311-B12 データシートの表示（PDF） - Silicon Laboratories

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SI4311-B12

315/433.92 MHZ FSK RECEIVER

Silicon Laboratories 

2. Typical Application Schematic

Si4311-B12/B21

RX

ANTENNA

L1

C3

R1

20 k

C2

1 uF

VDD

1 VDD

2

3

4

RFGND

RX_IN

RST

U1

Si4311-GM

5 AFC

GND

PAD

BT0 15

BT1 14

DOUT 13

GND 12

VDD 11

DEV0

DEV1

BT0

BT1

DOUT

VDD

VBATTERY

C1 2.7 to 3.6 V

22 nF

AFC

X1 (16 MHz)

Figure 2. Si4311 FSK 433.92 MHz Application Schematic

2.1. Typical Application Bill of Materials

Component(s)

C1

C2

C3

L1

R1

X1

U1

Table 7. Si4311 Typical Application Bill of Materials

Value/Description

Supply bypass capacitor, 22 nF, 20%, Z5U/X7R

Time constant capacitor, 1 µF

Antenna matching capacitor, 15 pF

Antenna matching inductor,

33 nH for 433.92 MHz and 62 nH for 315 MHz

Time constant resistor, 20 k

16 MHz crystal

Si4311 315/433.92 MHz FSK receiver

Supplier(s)

Murata

Murata

Murata

Murata

Murata

Hosonic

Silicon Laboratories

Rev. 1.0

7

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