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Nordic Star Products NRD24V1 User Manual

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Revision 1.0
Page 21 of 25
Headset Reference Design v1.0
 Table 7. USB dongle BOM
Part
Designator
Footprint
Description
10n
C1 C3 C4 C5 C6 C11 SM/0402
Capacitor 0402/X7R/16V/10%
10u
C2 C13 C22
SM/0805
Capacitor 0805/X5R/6V3/15%
1.0n
C7
SM/0402
Capacitor 0402/X7R/50V/10%
33n
C8
SM/0402
Capacitor 0402/X7R/16V/10%
4.7p
C9
SM/0402
Capacitor 0402/NP0/50V/5%
2.2n
C10
SM/0402
Capacitor 0402/X7R/50V/10%
4.7p
C12
SM/0402
Capacitor 0402/NP0/50V/5%
1.0p
C14 C26
SM/0402
Capacitor 0402/NP0/50V/5%
15p
C15 C16
SM/0402
Capacitor 0402/NP0/50V/5%
22p
C17 C18
SM/0402
Capacitor 0402/NP0/50V/5%
47u
C23
CAPMP3528X210L
Capacitor,Tant, B 
TAJB476K004R
470n
C24
SM/0402
Capacitor 0402/X5R/6.3V/10%
2.2u
C25
SM/0603
Capacitor 0603/X5R/6.3V/10%
G
D1
0603_D
LED, Green EL19-21UGC
4.7n
L1
SM/0402
Inductor, RF 
LQP15MN4N7B02D
8.2n
L2
SM/0402
Inductor, RF 
LQP15MN8N2B02D
5.6n
L3
SM/0402
Inductor, RF 
LQP15MN5N6B02D
USB-A
P1
CON/USB-A/PLUG
USB connector 48037-2100
nRF24L01 VoIP USB 
Dongle Board
PCB1
PCB 
PDTC115TU
Q1
SM/SOT323
NPN with resistors 
PDTC115TU
22k
R1
SM/0402
Resistor, 0.1W 0402/1%
22
R2 R3
SM/0402
Resistor, 0.1W 0402/1%
1M
R4
SM/0402
Resistor, 0.1W 0402/1%
100K
R5
SM/0402
Resistor, 0.1W 0402/1%
0
R8 R9 R21 R26
SM/0402
Resistor, 0.1W 0402/1%
10
R10
SM/0402
Resistor, 0.1W 0402/1%
2.2k
R11
SM/0402
Resistor, 0.1W 0402/1%
3.3k
R12
SM/0402
Resistor, 0.1W 0402/1%
470
R20
SM/0402
Resistor, 0.1W 0402/1%
10k
R23 R24
SM/0402
Resistor, 0.1W 0402/1%
1.5k
R25
SM/0402
Resistor, 0.1W 0402/1%
SN11220ACF
U1
TSQFP50P900X900X16
0-48L
USB Audio Controller 
SN11220ACF
nRF24L01
U2
QFN20-4x4
RF Transceiver nRF24L01
ATMega88
U3
QFN50P500X500X100-
33AL
Microcontroller ATmega88V-
10MU
93C46
U4
TSSOP-8
EEPROM, 1k AT93C46-10TU-
2.7
16MHz
Y1
XW4*2.5
Crystal TSX-10 16MHz
6.0MHz
Y2
TH/XO/CA-301
Crystal CA-301 6.000M-C
Connector
P3
0
ISP Connector BM06B-SRSS-
TB(LF)(SN)