si4430 Silicon Laboratories, si4430 Datasheet - Page 16
si4430
Manufacturer Part Number
si4430
Description
Si4430 Ism Transceiver
Manufacturer
Silicon Laboratories
Datasheet
1.SI4430.pdf
(152 pages)
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Si4430
16
supply voltage
Figure 1. Si4430 RX/TX Direct-Tie Application Example
100p
C6
C3
L3
C4
C5
100n
C7
C2
L4
L2
C8
1u
C1
Programmable load capacitors for X1 are integrated.
R1, L1-L5 and C1-C4 values depend on frequency band,
antenna impedance, output power and supply voltage range.
L1
Preliminary Rev. 0.4
VDD_RF
VR_IF
C10
1u
RXn
RFp
TX
1
3
2
4
5
30MHz
Si4430
X1
15
14
13
12
11
1u
C9
SCLK
SDI
SDO
VDD_D
NC
GP1
GP2
GP3
GP4
GP5
microcontroller
VDD
VSS
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