Loading design…
apfaudio
A eurorack-friendly audio frontend compatible with many FPGA boards, based on the AK4619VN audio CODEC.
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N7002E | |
| Q2-Q5 | MMBFJ111 | 20mA min, 35V, 30mOhm max, 3-10V Vgs(off), N-Channel JFET, SOT-23 |
| U1 | AK4619VN AUDIO CODEC | |
| U2,U3 | TL074 OP AMP | |
| U4 | PCA9557PW IO EXPANDER | |
| U5 | 24AA025UIDT EEPROM | |
| U6 | TCM809S (2.93V) |
| Microcontroller reset monitor, active low output |
| U7 | CY8CMBR3116 | CapSense Controller, 16 Sensors, QFN-24+EP |
|---|
| U8 | AZ1117-3.3 | 1A 20V Fixed LDO Linear Regulator, 3.3V, SOT-89/SOT-223/TO-220/TO-252/TO-263 |
|---|
| U9 | TL072 OP AMP |
|---|
| U10 | PCA9635 LED DRIVER |
|---|
| U11 | LTV-357T | DC Optocoupler, Vce 35V, CTR 50%, SO-4 |
|---|
| C1,C2,C6,C8,C13-C15,C17,C29,C31,C32 | 100nF |
|---|
| C3-C5,C9-C11,C16,C28 | 22.0uF | Unpolarized capacitor, small symbol |
|---|
| C7,C12 | 2.2uF | Unpolarized capacitor, small symbol |
|---|
| C18-C21 | 220pF |
|---|
| C22-C25 | 56p |
|---|
| C30 | 2.2nF |
|---|
| C33 | 1uF |
|---|
| D1,D2 | Nexperia PMEG6010CEH,115 |
|---|
| D3,D5,D7,D9,D11,D13,D15,D17 | LED 0402 GREEN |
|---|
| D4,D6,D8,D10,D12,D14,D16,D18 | LED 0402 RED |
|---|
| D27-D34 | VBUS05L1 | Bidirectional transient-voltage-suppression diode, small symbol, filled shape |
|---|
| F2,F3 | 15V 200mA | Resettable fuse, polymeric positive temperature coefficient, small symbol |
|---|
| J3 | Conn_01x14_Socket |
|---|
| J4-J11 | AUDIO JACK PJ-324M0 |
|---|
| L1,L2 | FERRITE |
|---|
| R1-R5,R8,R11,R14,R17,R20,R21,R24,R25,R28,R29,R32 | 4K7 |
|---|
| R6,R9,R12,R15,R35,R37-R40,RN5-RN7 | 100K |
|---|
| R7,R10,R13,R16,R18,R22,R26,R30 | 1K |
|---|
| R19,R23,R27,R31 | 56K |
|---|
| R33 | 470R |
|---|
| R34 | 33R |
|---|
| R36 | 10K |
|---|
| RN1-RN4 | 14.3K |
|---|
| RN8-RN11 | 120R |
|---|
| RN12,RN13 | 560R |
|---|
| RV1-RV8 | Ceradiode 65V | TDK B72500D0160H060 Ceradiode |
|---|