FR2414825A1 - Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network - Google Patents

Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network

Info

Publication number
FR2414825A1
FR2414825A1 FR7800662A FR7800662A FR2414825A1 FR 2414825 A1 FR2414825 A1 FR 2414825A1 FR 7800662 A FR7800662 A FR 7800662A FR 7800662 A FR7800662 A FR 7800662A FR 2414825 A1 FR2414825 A1 FR 2414825A1
Authority
FR
France
Prior art keywords
inverting input
filter
network
negative feedback
high pass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7800662A
Other languages
French (fr)
Other versions
FR2414825B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7800662A priority Critical patent/FR2414825A1/en
Publication of FR2414825A1 publication Critical patent/FR2414825A1/en
Application granted granted Critical
Publication of FR2414825B3 publication Critical patent/FR2414825B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

The sliding filter is for use with a pilot signal derived from a rectifier circuit. The amplifier (11) is used in a differential mode and has a non-selective frequency input circuit (R14, R15) connected to the non-inverting input (13). Input to the inverting terminal (12) is via a high pass RC circuit. Overall negative feedback between the amplifier output and the inverting input is by a parallel RC network (R18, C19). The output ripple level is maintained approx. equal and their phases opposite at the two inputs by adjustment of the high-pass filter and non-inverting input circuit.
FR7800662A 1978-01-11 1978-01-11 Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network Granted FR2414825A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7800662A FR2414825A1 (en) 1978-01-11 1978-01-11 Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800662A FR2414825A1 (en) 1978-01-11 1978-01-11 Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network

Publications (2)

Publication Number Publication Date
FR2414825A1 true FR2414825A1 (en) 1979-08-10
FR2414825B3 FR2414825B3 (en) 1980-04-25

Family

ID=9203316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800662A Granted FR2414825A1 (en) 1978-01-11 1978-01-11 Differential operational amplifier based sliding filter - has high pass filter to inverting input with negative feedback via parallel rC network

Country Status (1)

Country Link
FR (1) FR2414825A1 (en)

Also Published As

Publication number Publication date
FR2414825B3 (en) 1980-04-25

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