Appendix B
List of Symbols and Abbreviations
The following table lists common symbols and abbreviations.
| Symbol/Abbreviation | Meaning |
| A | Ampere |
| AC | Alternating current |
| App | Peak-to-peak amperes |
| Arms | Root mean square amperes |
| AV | AC voltage gain |
| β (beta) | Current gain |
| BW | Bandwidth |
| C | Capacitor |
| DC | Direct current |
| F | Farad |
| gm | Transconductance |
| f | Frequency |
| fr | Resonant frequency |
| H | Henry |
| Hz | Hertz |
| I | Electric current |
| IB | Base current |
| IC | Collector current |
| ID | Drain current of a field effect transistor (FET); also current through a diode |
| IDSS | Saturation current |
| Ipp | Peak-to-peak current |
| Irms | Root mean square current |
| kHz | Kilohertz |
k |
Kilohm |
| kW | Kilowatt |
| L | Inductor |
| LC | Inductor-capacitor circuit |
| mA | Milliampere |
| mH | Millihenry |
| M |
Megohm |
| μA | Microampere |
| μF | Microfarad |
| μH | Microhenry |
| μs | Microsecond |
| ms | Millisecond |
| mV | Millivolt |
| Np | Number of turns in a primary coil |
| NS | Number of turns in a secondary coil |
| Ω | Ohms |
| pF | Picofarad |
| P | Power |
| Q | Transistor; also the Q value of a resonant circuit |
| R | Resistor |
| Rin | Input resistance of a transistor |
| r | DC resistance of an inductor |
| T | Period of a waveform |
| τ | Time constant |
| TR | Turns ratio |
| θ | Phase angle |
| μV | Microvolt |
| V | Voltage |
| VC | Voltage at the collector of a transistor |
| VDD | Drain supply voltage |
| VE | Voltage at the emitter of a transistor |
| VGG |
Get Complete Electronics Self-Teaching Guide with Projects now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
