
Headset Reference Design v1.0
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   | 
4.7n  | L1  | 
  | 
  | SM/0402  | Inductor, RF  | 
  | 
  | 
  | 
  | 
  | LQP15MN4N7B02D  | 
8.2n  | L2  | 
  | 
  | SM/0402  | Inductor, RF  | 
  | 
  | 
  | 
  | 
  | LQP15MN8N2B02D  | 
5.6n  | L3  | 
  | 
  | SM/0402  | Inductor, RF  | 
  | 
  | 
  | 
  | 
  | LQP15MN5N6B02D  | 
P1  | 
  | 
  | USB connector   | ||
nRF24L01 VoIP USB  | PCB1  | 
  | 
  | PCB  | |
Dongle Board  | 
  | 
  | 
  | 
  | 
  | 
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  | USB Audio Controller  | 
  | 
  | 
  | 
  | SN11220ACF  | |
nRF24L01  | U2  | 
  | 
  | RF Transceiver nRF24L01  | |
ATMega88  | U3  | 
  | 
  | QFN50P500X500X100-  | Microcontroller ATmega88V-  | 
  | 
  | 
  | 
  | 33AL  | 10MU  | 
93C46  | U4  | 
  | 
  | 
 | EEPROM, 1k   | 
  | 
  | 
  | 
  | 
  | 2.7  | 
16MHz  | Y1  | 
  | 
  | XW4*2.5  | Crystal   | 
6.0MHz  | Y2  | 
  | 
  | Crystal   | |
Connector  | P3  | 
  | 
  | 0  | ISP Connector   | 
  | 
  | 
  | 
  | 
  | TB(LF)(SN)  | 
  | 
  | 
  | Table 7. USB dongle BOM | 
  | |
Revision 1.0  | Page 21 of 25  |