Comment Description Designator DISTRIBUTOR DISTRIBUTOR PART# Footprint LibRef Manufacturer MANUFACTURER PART# Prototype Price Quantity Volume Price
PAM8302M Class D Mono Amplifier 2.5 W max AMP1

PAM8302M PAM8302M


1
100nF CAPACITOR C1, C2, C4, C16, C17, C18, C19, C20, C21

RADCAP-0.2 C-EUC0805


9
33pF CAPACITOR C3, C8, C11, C13, C14, C15 Jameco 1947010, RADCAP-0.2 C-EUC0805 Jameco Valuepro DC33TR,
6
1uf CAPACITOR C5

RADCAP-0.2 C-EUC0805


1
10nF CAPACITOR C6

RADCAP-0.2 C-EUC0805


1
100pF CAPACITOR C7, C10

RADCAP-0.2 C-EUC0805 TDK FA24NP02W101JNU06
2
330pF CAPACITOR C9

RADCAP-0.2 C-EUC0805 TDK FA24NP02W331JNU06 0.4275 1 0.2974
220pF CAPACITOR C12 Arrow
RADCAP-0.2 C-EUC0805 TDK FA24NP02W221JNU06
1
6.5-30pF Trimm capacitor CT1, CT2

CAP Trimmer C-TRIMMTZBX4


2
LED LED, D1, D2 DIGIKEY
LED_3MM_TH LED


2
4060D 14-stage binary/ripple COUNTER IC1, IC2 Jameco 13151, DIP16 4060D
CD4060, 0.49, 2 0.39,
4069D Hex INVERTER IC3

DIP14 4069D


1
LM358D OP AMP IC4

DIP8 LM358D


1
74HC74 Dual D type positive edge triggered FLIP FLOP, preset and clear IC5 Jameco 46130 DIP14 74*74D Fairchild 74HC74 0.45 1 0.35
MCP4921SO8
IC6 ARROW
DIP8 MCP4921SO8 Microchip MCP4921-E/P 1.96 1 1.93
CON2 2 PIN CONNECTOR J1, J2, J3, J6, J8, J9 DIGIKEY
SIP-2 CON2


6
PWR_2.1MM Small Wall Power THRU J4

POWER_BARREL_RAPC722X PWR_2.1MM


1
CON3 3 PIN CONNECTOR J5, J7, J10, J11 DIGIKEY
SIP-3 CON3


4
1000uH INDUCTOR SMD inductor L1, L2 Arrow,
AXIAL-0.4 MS42 Fastron, HBCC-102J-02, 0.44, 2 .38,
Arduino NANO ATMEGA328 Module M1

ARDUINO_NANO ARDUINO_NANO


1
2PIN-POW
P1, P2, P3

OSTTC02 2PIN-POW


3
8PIN-SIL 8 Pin Single In line .1 Inch centers P4

SIP-8 8PIN-SIL


1
4PIN-SIL 4 Pin Single In line .1 Inch centers P5

SIP-4 4PIN-SIL


1
7.3728MHz 7.3728MHz Crystal HU49S Q1

XTAL-HC49US CSM-7X-DU


1
8MHz SMD CRYSTAL Source: www.ecsxtal.com .. Crystal 3.6864MHz CSM_7X_DU.PDF Q2 ARROW
XTAL-HC49US CSM-7X-DU FOX FC4STCBAF8.0-BAG200
1
100k RESISTOR R1

AXIAL-0.4 RES


1
2.2k RESISTOR R2, R8, R10, R11, R12

AXIAL-0.4 RES


5
4.7M RESISTOR R3, R4, R7, R9

AXIAL-0.4 RES


4
10k RESISTOR R5, R6

AXIAL-0.4 RES


2
390R RESISTOR R13, R14

AXIAL-0.4 RES


2