Headset reference design v1.0 – Nordic Star Products NRD24V1 User Manual
Page 21
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)