| Subject | English | German |
| opt. | equivalent noise input | rauschäquivalente Eingangsgröße |
| tech. | equivalent noise input | aequivalentes Eingangsrauschen |
| radiat. | equivalent noise referred to the input | äquivalentes Rauschen (of а linear amplifier) |
| radiat. | equivalent noise referred to the input | bezogen auf den Eingang (of а linear amplifier) |
| radiat. | equivalent noise referred to the input | eingangsbezogenes äquivalentes Rauschen (of а linear amplifier) |
| radiat. | equivalent noise resistance referred to input | eingangsbezogener Rauschersatzwiderstand (of a linear amplifier) |
| radiat. | equivalent noise resistance referred to input | eingangsbezogener äquivalenter Rauschwiderstand (of a linear amplifier) |
| tech. | equivalent noise sideband input | aequivalente Seitenbandrauschleistung |
| light. | noise equivalent input of a detector | rauschäquivalente Eingangsgröße eines Empfängers |
| opt. | noise equivalent input | äquivalenter Rauscheingang (a measure of the minimum irradiance required to produce a signal-to-noise ratio of unity) |