 |
| |||
| fourpole; two-port | |||
| two-port (network with two input and two output terminals) | |||
| 2 port network; 2 terminal-pair network; two-port network; two-terminal-pair network; two-terminal-pair | |||
| four-pole circuit; four-pole network | |||
| four-terminal network; quad; quadripole | |||
| Vierpol: 18 phrases in 3 subjects |
| Communications | 7 |
| Electronics | 7 |
| Measuring instruments | 4 |