AMPLIFIER ARRANGEMENT FOR TELEPHONE INSTRUMENT

An amplifier arrangement for controlling the output level of an amplifier used in a two-wire line telephone system comprises an attenuation circuit, a memory circuit, an integration circuit and a test device. The output level of the amplifier is tested by the test device and if the output level is t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BROLIN U,SW, LINDGREN O,SW
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION
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