afm
hacker-fab
HW design & firmware for a low-cost Atomic Force Microscope
Components (31)
| 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 |
| U1 | AD5686R | Quad, 16-/14-/12-Bit nanoDAC+ with 2 ppm/°C Reference, SPI Interface |
| U2 | MCP6002-xP | 1MHz, Low-Power Op Amp, DIP-8 |
| U3,U6 | OPA2277 | Dual High Precision Operational Amplifiers, DIP-8/SOIC-8 |
| 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,C18-C21 | 0.1uF | Unpolarized capacitor, small symbol |
| C4,C8 | 1uF | Unpolarized capacitor, small symbol |
| C5,C9,C17 | 10uF | Unpolarized capacitor, small symbol |
| C7,C14,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,R25,R27 | 10K | Resistor, US symbol |
| R3,R21 | 2.2K | Resistor, US symbol,Variable resistor, US symbol |
| R4 | 820K | Resistor, US symbol |
| R5,R13,R16,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 | 2R | Resistor, US symbol |
| R12 | 3.3K | Resistor, US symbol |
| R19 | 3M | Resistor, US symbol |
| R20 | 3K | Resistor, US symbol |
| R22,R23 | 4.7K | Resistor, US symbol |
| R24 | 47R | Resistor, US symbol |
| R26,R28 | 1.6K | Resistor, US symbol |