Data Sheet

Revision 2.0 Page 69 of 74
nRF24L01 Product Specification
Appendix D - Application example
nRF24L01 with single ended matching network crystal, bias resistor, and decoupling capacitors.
Figure 30. nRF24L01 schematic for RF layouts with single ended 50
Ω RF output
Table 26. Recommended components (BOM) in nRF24L01 with antenna matching network
Part Designator Footprint Description
22pF
a
a. C1 and C2 must have values that match the crystals load capacitance, C
L.
C1 0402 NPO, +/- 2%
22pF
a
C2 0402 NPO, +/- 2%
2.2nF C3 0402 X7R, +/- 10%
4.7pF C4 0402 NPO, +/- 0.25pF
1.5pF C5 0402 NPO, +/- 0.1pF
1,0pF C6 0402 NPO, +/- 0.1pF
33nF C7 0402 X7R, +/- 10%
1nF C8 0402 X7R, +/- 10%
10nF C9 0402 X7R, +/- 10%
8,2nH L1 0402 chip inductor +/- 5%
2.7nH L2 0402 chip inductor +/- 5%
3,9nH L3 0402 chip inductor +/- 5%
1MΩ R1 0402 +/-10%
22kΩ R2 0402 +/-1%
nRF24L01 U1 QFN20 4x4
16MHz X1 +/-60ppm, C
L
=12pF
C2
22pF
0402
C9
10nF
0402
C8
1nF
0402
R2
22K
0402
VDD
C1
22pF
0402
R1
1M
X1
16 MHz
C7
33nF
0402
L1
8.2nH
0402
C3
2.2nF
0402
C4
4.7pF
0402
L3
3.9nH
0402
L2
2.7nH
0402
C5
1.5pF
0402
C6
1.0pF
0402
CE
1
CSN
2
SCK
3
MOSI
4
MI SO
5
IRQ
6
VDD
7
VSS
8
XC2
9
XC1
10
VDD_PA
11
ANT1
12
ANT2
13
VSS
14
VDD
15
IREF
16
VSS
17
VDD
18
DVDD
19
VSS
20
nRF24L01
U1
NRF24L01
CE
CSN
SCK
MOSI
MI SO
IRQ
50ohm, RF I/O