AB-BTL-demo-amplifier
Maltheren
A fun little single supply amplifier
Components (35)
| Reference | Value | Description |
|---|---|---|
| Q1 | IRF9540N | -23A Id, -100V Vds, 117mOhm Rds, P-Channel HEXFET Power MOSFET, TO-220 |
| Q2,Q7,Q13,Q15,Q25,Q27,Q29,Q31 | BD139 | 1.5A Ic, 80V Vce, Low Voltage Transistor, TO-126 |
| Q3,Q14,Q16,Q26,Q28,Q30,Q32,Q33 | BD140 | 1.5A Ic, 80V Vce, Low Voltage Transistor, TO-126 |
| Q4,Q9,Q17,Q19 | BC857BS | 100mA IC, 45V Vce, Dual PNP/PNP Transistors, SOT-363 |
| Q5,Q8,Q10,Q12,Q18,Q20,Q23,Q24 | BC857 | 0.1A Ic, 45V Vce, PNP Transistor, SOT-23 |
| Q6,Q11,Q21,Q22 | BC848 | 0.1A Ic, 30V Vce, NPN Transistor, SOT-23 |
| U1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 |
| U2-U7 | OPA2277 | Dual High Precision Operational Amplifiers, DIP-8/SOIC-8 |
| C1,C3 | 42n | Unpolarized capacitor |
| C2,C4 | 140n | Unpolarized capacitor |
| C5,C6 | 1u | Unpolarized capacitor |
| C7-C9,C13 | 300p | Unpolarized capacitor |
| C10,C14 | 10u | Polarized capacitor |
| C11,C15 | 100n | Unpolarized capacitor |
| C12 | 470n | Unpolarized capacitor |
| D2,D4-D6,D11,D12,D15,D16 | LED | Light emitting diode |
| D3,D7-D10,D13,D14,D17-D21 | 1N4148 | Diode |
| D22 | D_Schottky | Schottky diode |
| J1 | Conn_01x03 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | Speaker right | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | AudioJack2_Ground | Audio Jack, 2 Poles (Mono / TS), Grounded Sleeve |
| J4 | Speaker left | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | Power in | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R5 | 47k | Resistor |
| R2,R6 | 100 | Resistor |
| R3,R7 | 1k7 | Resistor |
| R4,R8 | 22k | Resistor |
| R9,R15,R25,R30,R37,R45,R48,R49 | 580 | Resistor |
| R10,R11,R13,R19,R22,R23,R26,R27,R31,R36,R38,R39,R41,R42,R44,R50,R51,R59,R60,R64 | 1k | Resistor |
| R12,R20,R28,R32,R40,R43,R53,R54 | 350 | Resistor |
| R14,R24,R61,R62 | 5k | Resistor |
| R16,R29,R46,R47 | 22 | Resistor |
| R17,R21,R35,R52,RV1,RV2 | 10k | Potentiometer,Resistor |
| R18,R33,R34,R55-R58,R65 | 33 | Resistor |
| R63 | 1M | Resistor |