nRF24L01应用电路

nRF24L01 with single ended matching network crystal, bias resistor, and decoupling capacitors.
  
  nRF24L01 schematic for RF layouts with single ended 50Ω RF output
  Part Designator Footprint Description
  22pFaa. C1 and C2 must have values that match the crystals load capacitance, CL.
  C1 0402 NPO, +/- 2%
  22pFa 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, CL=12pF
  a. C1 and C2 must have values that match the crystals load capacitance, CL.