afm
hacker-fab
HW design & firmware for a low-cost Atomic Force Microscope
Components (25)
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N2907A/MMBT2907A | PNP bipolar junction transistor |
| Q2 | BD140 | 1.5A Ic, 80V Vce, Low Voltage Transistor, TO-126 |
| Q4,Q5 | BD139 | 1.5A Ic, 80V Vce, Low Voltage Transistor, TO-126 |
| U2 | MCP6002-xP | 1MHz, Low-Power Op Amp, DIP-8 |
| U3 | OPA2277 | Dual High Precision Operational Amplifiers, DIP-8/SOIC-8 |
| U4,U5 | OPA2134 | Dual SoundPlus High Performance Audio Operational Amplifiers, DIP-8/SOIC-8 |
| C1,C3 | 100uF | Unpolarized capacitor,Unpolarized capacitor, small symbol |
| C2,C10,C11 | 0.1uF | Unpolarized capacitor, small symbol |
| C4,C8 | 1uF | Unpolarized capacitor, small symbol |
| C5,C9 | 10uF | Unpolarized capacitor, small symbol |
| C6,C7,C13-C16 | 10nF | Unpolarized capacitor, small symbol |
| C12 | 1.5nF | Unpolarized capacitor, small symbol |
| D1 | VZ = 2V | Zener diode, filled shape |
| D2-D4 | BAT54W | Schottky barrier diode, SOT-323 |
| J1 | Conn_01x24 | Generic connector, single row, 01x24, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R11 | 100R | Resistor, US symbol |
| R2,R14 | 10K | Resistor, US symbol |
| R3,R21 | 2.2K | Resistor, US symbol,Variable resistor, US symbol |
| R4 | 820K | Resistor, US symbol |
| R5,R13,R15-R18 | 1K | Resistor, US symbol |
| R6 | 2.2M | Resistor, US symbol |
| R7 | 6.8R | Resistor, US symbol |
| R8 | 1R | Shunt resistor with Kelvin connections, US symbol |
| R9,R10,R12,R20 | 2R | Resistor, US symbol |
| R19 | 3M | Resistor, US symbol |