 |
| |||
| Frequenzmodulation f; Frequenzveraenderung f | |||
| Frequenzumtastung f | |||
| modulazione di frequenza: 83 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Communications | 36 |
| Electronics | 28 |
| Information technology | 9 |
| Piezoelectric crystals | 2 |
| Radio | 1 |
| Satellite communications | 1 |
| Technology | 4 |
| Telegraphy | 1 |