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Access Point Schematics, Layout and BOM

Table 4-4. eZ430-Chronos-433 Access Point, BOM List

Designator Value Tolerance Footprint Description Manufacturer

C1 1 µF +-10%, X5R 603 Capacitor SMD

C2 4.7 µF +-10%, X5R 603 Capacitor SMD

C3 2.2 µF +-10%, X5R 603 Capacitor SMD

C4 47 pF +-10%, COG/NP0 402 Capacitor SMD

C5 47 pF +-10%, COG/NP0 402 Capacitor SMD

C6 100 nF +-10%, X7R 402 Capacitor SMD

C7 100 nF +-10%, X7R 402 Capacitor SMD

C8 1 µF +-10%, X5R 603 Capacitor SMD

C9 100 nF +-10%, X7R 402 Capacitor SMD

C10 10 nF +-10%, X7R 402 Capacitor SMD

C11 2.2 pF +-0.25pF, COG/NP0 402 Capacitor SMD

C12 10 nF +-10%, X7R 402 Capacitor SMD

C13 220 pF +-10%, COG/NP0 402 Capacitor SMD

C14 22 pF +-5%, COG/NP0 402 Capacitor SMD

C15 22 pF +-5%, COG/NP0 402 Capacitor SMD

C16 3.9 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4

C17 3.9 pF +-0.1pF, COG/NP0 402 Capacitor SMD Johanson 500R07S3R9BV4

C18 220 pF +-10%, COG/NP0 402 Capacitor SMD

C19 220 pF +-10%, COG/NP0 402 Capacitor SMD

C20 220 pF +-10%, COG/NP0 402 Capacitor SMD

C21 220 pF +-10%, COG/NP0 402 Capacitor SMD

D1 green 603 LED SMD

E1 0868AT43A0020 Chip Antenna Johanson

Ferrite Bead 1k,

L1 402 EMI Filter SMD for example, TDK MMZ1005S102C

1R, min. 100mA

L2 27 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4

L3 27 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C27NJV4

L4 18 nH +-5% 402 Inductor Monolithic SMD Johanson L-07C18NJV4

L5 47nH +-5% 402 Inductor Monolithic SMD Johanson L-07C47NJV4

P1 USB Type A USB Plug for example, Lumberg 241007

CUSTOM, solder PCB, 2 layers, 0.8 mm

PCB1

stop black thick

R1 2R +-5% 402 Resistor SMD

R2 33R +-5% 402 Resistor SMD

R3 33R +-5% 402 Resistor SMD

R4 1.5k +-5% 402 Resistor SMD

R5 56k +-1% 402 Resistor SMD

R6 270R +-5% 402 Resistor SMD

U1 TPS76933DBV SOT-23 Linear Regulator TI

U2 CC1111F32RSP QFN36 ISM Transceiver TI

48MHz, CL=16pF, 23.2 x 2.5

Y1 +-10ppm Crystal SMD Epson TSX3225-X1E000021040300

ESR≤40Ω mm2

SLAU292D–November 2009–Revised March 2011 eZ430-Chronos Hardware

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