Practical Electronics/Basic Components
| Voltage Source |
Current Source |
Controlled Voltage Source |
Controlled Current Source |
Single cell |
Battery of cells |
Grounds
| Signal Ground |
Chassis Ground |
Earth Ground |
| Resistor | Variable Resistor |
Potentiometer |
| Capacitor |
Polarized Capacitor |
Variable Capacitor |
| Air-core Transformer |
Iron-core Transformer |
Center-tapped Transformer |
Autotransformer | Coil with tickler | Step up | Step down |
| Diode | Light-Emitting Diode |
Zener Diode |
Schottky Diode |
| P-channel | |||
| N-channel | |||
| JFET | IGFET enh | IGFET dep |
| PNP | |
| NPN |
| Open Switch | Closed Switch |