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EP0052221A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Signal-processing circuit

Assignee: Siemens AG
•
Filing: 1981-10-07
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Granted: —
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Expires: 2001-10-07
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Abstract

Abstract Translated from German Bei der Signalauswerteschaltung mit einem Operationsverstärker (2) als Signalverstärker und einem Komparator (6), die beide von einer einseitig an Masse liegenden Spannungsquelle gespeist werden, sind die Referenzeingänge jeweils an von einem niederohmigen Widerstand (R2) getrennte Abgriffe eines an der Spannungsquelle liegenden Spannungsteilers (4) angeschlossen, wodurch über den nichtinvertierenden Eingang des Operationsverstärkers (2) und den Ausgang des Operationsverstärkers (2) im Ruhezustand am Signaleingang des Komparators (6) ein stabiler Signal-Null-pegel vorhanden ist, der eine konstante Spannungsdifferenz zu dem am Referenzeingang (9) des Komparators (6) liegenden Referenzpotential aufweist. In the case of the signal evaluation circuit with an operational amplifier (2) as a signal amplifier and a comparator (6), both of which are fed by a voltage source connected to ground on one side, the reference inputs are in each case taps of a voltage divider connected to the voltage source and separated by a low-resistance resistor (R2) (4) connected, so that via the non-inverting input of the operational amplifier (2) and the output of the operational amplifier (2) in the idle state at the signal input of the comparator (6) there is a stable signal zero level, which is a constant voltage difference to that at the reference input (9) of the comparator (6) lying reference potential.

Inventors

  • 👤 Jan Dipl.-Ing. Goerne
  • 👤 Wilfried Dipl.-Ing- Traulsen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 03:53
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/60; H04B10/66; H04B10/69; H04B10/695; G; G01; G01R; G01R19/00; G01R19/0023

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE2608206A1 Cited
FR2304924A1 Cited
US4023046A Cited

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