| Subject | English | German |
| commun., IT | AF amplification | Nf-Verstärkung |
| commun., IT | AF amplification | NF-Verstärkung |
| tech. | AF amplification stage | Niederfrequenzverstaerkerstufe |
| el. | AF amplifier | Nf-Verstärker |
| el. | AF amplifier | NF-Verstärker |
| tech. | AF amplifier | Niederfrequenzverstaerker |
| commun., IT | AF amplitude | Nf-Amplitude |
| commun., IT | AF amplitude | NF-Amplitude |
| tech. | AF -audio frequency | Tonfrequenz |
| tech. | AF -audio frequency | Niederfrequenz |
| commun., IT | AF crosstalk | Übersprechen im Nf-Bereich |
| commun., IT | AF crosstalk | Übersprechen im NF-Bereich |
| commun., IT | AF demodulation | FM-Tondemodulation |
| IT, el. | AF demodulator | FM-Demodulator |
| commun., IT | AF detection | AM-Demodulation |
| IT, el. | AF detector | AM-Demodulator |
| IT | AF distortion | Verzerrung von Nf-Signalen |
| IT | AF distortion | Verzerrung von NF-Signalen |
| tech. | AF driving power | Niederfrequenz-Steuerleistung |
| IT | AF facility | Nf-Anlage |
| IT | AF facility | NF-Anlage |
| tech. | AF feedback amplifier | gegengekoppelter Niederfrequenzverstaerker |
| IT, el. | AF gain | Nf-Verstärkung |
| IT, el. | AF gain | NF-Verstärkung |
| tech. | AF in FM | Niederfrequenz in der Frequenzmodulation |
| commun., IT | AF meter | Nf-Frequenzzähler |
| commun., IT | AF meter | NF-Frequenzzähler |
| commun., IT | AF metre | NF-Frequenzzähler |
| commun., IT | AF metre | Nf-Frequenzzähler |
| commun., IT | AF mute | NF-Muting |
| commun., IT | AF mute | Nf-Muting |
| commun., IT | AF mute | Nf-Mute-Schaltung |
| commun., IT | AF mute | NF-Mute-Schaltung |
| tech. | AF oscillator | NF-Generator |
| el. | AF output signal | Niederfreqenzausgangssignal |
| el. | AF output signal | NF-Ausgangssignal |
| tech. | AF preamplifier stage | NF-Eingangsstufe |
| el. | AF protection ratio | Niederfrequenzschutzverhältnis |
| el. | AF protection ratio | NF-Schutzverhältnis |
| radio | AF protection ratio | Tonfrequenz-Schutzabstand |
| commun., IT | AF pulse | niederfrequente Pulsfolge |
| tech. | AF response | NF-Frequenzgang |
| tech. | AF signal generator | Niederfrequenz-Messsender |
| el. | AF signal-to-interference ratio | Niederfrequenzstörabstand |
| radio | AF signal-to-interference ratio | Tonfrequenz-Störabstand |
| commun., IT | AF spectrum | Nf-Spektrum |
| commun., IT | AF spectrum | NF-Spektrum |
| el. | AF stage | NF-Verstärker |
| el. | AF stage | Nf-Verstärker |
| el. | AF stage | NF-Stufe |
| commun. | AF tone | NF-Ton |
| environ. | AFS Convention | AFS-Übereinkommen |
| environ. | AFS Convention | Internationales Übereinkommen über Verbots- und Beschränkungsmaßnahmen für schädliche Bewuchsschutzsysteme von Schiffen |
| met. | AFS standard clay | Tongehalt im Formsand nach dem AFS-Prüfverfahren |
| met. | AFS standard sand | AFS Testsand |
| met. | AFS test | AFS-Versuch |
| gen. | assembly of the flitched beam and af the floor with the cap | Verbindung des Spannbalkens und des Bohlenbelags mit der Grundschwelle |
| gen. | completion af a contract | Vertragsabschluss |
| tech. | fatigue test af alternating stress | Schwellfestigkeit |
| law | inheritance accruing to the line af ascent | Erbfolge der Aszendenten |
| fin. | to represent the goods intact af the office of destination | die Waren unverändert der Bestimmungszollstelle gestellen |
| med. | respirator for patients coming out af anesthesia | Aufwach-Beatmungsgerät |
| mater.sc., industr., construct. | spool af thread | Garnrolle |
| telecom. | VF/AF pushbutton selection | tonfrequente Tastwahl |
| telecom. | VF/AF signaling | Tonfrequenzsignalisierung |
| telecom. | VF/AF touch-tone dialing | tonfrequente Tastwahl |