2023_PiezoPreamp2
arxwtf
Piezo preamplifier v2 with Baxandall tone control and battery indicator. KiCAD v7 project.
Components (37)
| Reference | Value | Description |
|---|---|---|
| U101,U102 | OPA145 | |
| U201 | ZXMP3A17E6TA | |
| U301 | MMDT2222A-7-F | |
| C101,Chp103 | 10u 50V | |
| C102 | 100p | |
| C103 | 100u 50V | |
| C201,C202,C301 | 22u | |
| C203,C205,C207 | 10u | |
| C204,C206,Cb102 | 100n | |
| Cb101,Cb103,Chp101 | 68n | |
| Cb104,Cf102,Ct102 | 22n | |
| Cf101 | 1n | |
| Cf103 | 10n | |
| Cf104,Ct104 | 4n7 | |
| Chp102,Chp104-Chp106 | 220n | |
| Ct101,Ct103 | 6n8 | |
| D101,D102 | 12V 1pF | |
| D201 | 20V 15pF | |
| D202 | DDZ12B-7 | |
| D301 | Red 100mcd/120°/2mA | |
| H404-H406 | 3.2/12.7mm | |
| H407 | LED light guide | |
| J101,J102 | 6.3mm stereo | |
| J201,P401 | Molex PicoBlade | |
| N401 | TEKO 1/A.1 | |
| R101,R102 | 150R | |
| R103,R302,R304,Rb101,Rb102 | 3k9 | |
| R104,Rf101 | 10M | |
| R105,R202 | 100R | |
| R201 | 10k | |
| R203,R204,R303 | 47k | |
| R301 | 100k | |
| Rt101,Rt102 | 2k2 | |
| RV101,RV102 | B10k | |
| RV103 | A10k | |
| RV301,RV302 | trim B10k | |
| S101-S103 | SSSS224100 |