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Si4311-DB

Rev. 0.3

3

Bit Time Selection

J13/J14: Two jumpers used for bit time selection.

Frequency Deviation Selection

J15/J16: Two jumpers used for frequency deviation selection.

Key Components

U4: Si4311 single chip FSK receiver.

X1: 16 MHz crystal.

D1: LED lights up when data output present.

B2: Audio buzzer sounds when data output is present.

Table 1. 

Bit Time Selection

J13

J14

Bit Time [µs]

0

0

1000

0

1

500

1

0

200

1

1

100

Table 2. 

Frequency Deviation Selection

J13

J14

Frequency Deviation [kHz]

0

0

30

0

1

50

1

0

70

1

1

90

Summary of Contents for Si4311-DB

Page 1: ...a from an SMA connector or wirelessly with an onboard printed circuit board PCB antenna The demodulated output data from the Si4311 DEMO board can be measured via an SMA connector and or observed with an LED and or heard with an audio buzzer The system is powered by a 9 V battery or an external 3 3 V power supply 2 Features Single chip FSK receiver Selectable 315 433 92 MHz carrier frequency Selec...

Page 2: ...ies to measure current D3 Power on indicator LED lights up when powered on RF Input J4 SMA connector for an external RF input Ensure inductor L3 is open to remove the PCB antenna when using the SMA input Demodulated Data Output J5 SMA connector for demodulated data output External Clock Driver J9 J17 These solder jumpers should be shorted when an external clock driver is used J10 External clock co...

Page 3: ...deviation selection Key Components U4 Si4311 single chip FSK receiver X1 16 MHz crystal D1 LED lights up when data output present B2 Audio buzzer sounds when data output is present Table 1 Bit Time Selection J13 J14 Bit Time µs 0 0 1000 0 1 500 1 0 200 1 1 100 Table 2 Frequency Deviation Selection J13 J14 Frequency Deviation kHz 0 0 30 0 1 50 1 0 70 1 1 90 ...

Page 4: ...Si4311 DB 4 Rev 0 3 4 Schematic Figure 3 Si4311 DEMO Schematic ...

Page 5: ...Si4311 DB Rev 0 3 5 5 PCB Layout Figure 4 Si4311 PCB Top Layer Figure 5 Si4311 PCB Bottom Layer ...

Page 6: ...Si4311 DB 6 Rev 0 3 Figure 6 Si4311 PCB Top Silkscreen Figure 7 Si4311 PCB Bottom Silkscreen ...

Page 7: ...1 1 CMS0603 2 2 µF C13 1 CMS0402 220 pF C14 1 CMS0603 TBD D1 D3 2 CMS0805 LED D2 1 CMS0805 IN4148 J3 1 DIP SWITCH J4 J5 2 SMA J7 1 HEADER2 L1 1 CMS0402 33 nH L2 1 CMS0402 TBD L3 1 CMS0402 0R NC Q1 1 SOT23 9013 R1 1 CMS0603 0R R2 1 CMS0402 20 k R3 R6 2 CMS0402 1 k R4 1 CMS0402 330R R5 1 CMS0402 10 k R7 1 CMS0402 0R R8 1 CMS0402 39R R9 1 CMS0603 NC U1 1 SOT 23 5 LP2985 U2 1 SC33 SAW filter U3 1 ANT ...

Page 8: ...Si4311 DB 8 Rev 0 3 7 Receiving Data Status 8 References Si4311 Data Sheet ...

Page 9: ...Si4311 DB Rev 0 3 9 NOTES ...

Page 10: ...n Additionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particular purpose nor does Silicon Laboratories assume any liability arising out o...

Page 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Silicon Laboratories 4311 DK1 ...

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