BALANCED FILTER CIRCUIT HAVING A CONTROLLABLE BALANCED CURRENT MULTIPLIER

BALANCED FILTER CIRCUIT HAVING A CONTROLLABLE BALANCED CURRENT MULTIPLIER

A balanced filter circuit having a number of pushpull amplifiers (10), whose inputs (11, 12) and outputs (13, 14) are coupled to filter resistors (20, 21, 22, 25, 27A/B) and filter capacitors (23, 24, 26A/B), while in order to adjust the filter, the current from the filter resistors to the inputs of...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: VOORMAN, JOHANNES O
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Beschreibung
Zusammenfassung:A balanced filter circuit having a number of pushpull amplifiers (10), whose inputs (11, 12) and outputs (13, 14) are coupled to filter resistors (20, 21, 22, 25, 27A/B) and filter capacitors (23, 24, 26A/B), while in order to adjust the filter, the current from the filter resistors to the inputs of the balanced amplifiers are varied by means of adjustable balanced multipliers (40).