ES436828A1 - A circuit for investing the damping of electronic switches with linear current-tension characteristics, particularly of the switching elements of a telephone central. (Machine-translation by Google Translate, not legally binding) - Google Patents

A circuit for investing the damping of electronic switches with linear current-tension characteristics, particularly of the switching elements of a telephone central. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES436828A1
ES436828A1 ES436828A ES436828A ES436828A1 ES 436828 A1 ES436828 A1 ES 436828A1 ES 436828 A ES436828 A ES 436828A ES 436828 A ES436828 A ES 436828A ES 436828 A1 ES436828 A1 ES 436828A1
Authority
ES
Spain
Prior art keywords
circuit
damping
translation
switching elements
machine
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.)
Expired
Application number
ES436828A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES436828A1 publication Critical patent/ES436828A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06—Modifications for ensuring a fully conducting state

Landscapes

  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

A circuit for reversing the damping of electronic switches with linear current-voltage characteristics, particularly of the switching elements of a telephone exchange, characterized in that the electronic switch (RON), a controllable resistance (RS), a voltage generator of (G) are connected in series and form a circuit (S), because the useful current to be transmitted is coupled to said circuit (S) through components, for example, transformers (Ul, U2), because there is a circuit stable-gain (VT) amplifier to amplify the useful current outside the circuit (S), because a capacitor (C) is connected in parallel with the generator (G), and because the circuit (S) has a comparator and circuit control (KR) connected to it, which adjusts the controllable resistance (RS) in such a way that the total resistance (R) of the circuit (S) acquires a fixed predetermined value (RK). (Machine-translation by Google Translate, not legally binding)
ES436828A 1974-04-22 1975-04-22 A circuit for investing the damping of electronic switches with linear current-tension characteristics, particularly of the switching elements of a telephone central. (Machine-translation by Google Translate, not legally binding) Expired ES436828A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2419290A DE2419290A1 (en) 1974-04-22 1974-04-22 Resistance compensation by variable negative resistance - uses circuit which compensates for losses in electronic switches whose ohmic resistance and impedance differ

Publications (1)

Publication Number Publication Date
ES436828A1 true ES436828A1 (en) 1977-02-01

Family

ID=5913556

Family Applications (1)

Application Number Title Priority Date Filing Date
ES436828A Expired ES436828A1 (en) 1974-04-22 1975-04-22 A circuit for investing the damping of electronic switches with linear current-tension characteristics, particularly of the switching elements of a telephone central. (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
DE (1) DE2419290A1 (en)
ES (1) ES436828A1 (en)

Also Published As

Publication number Publication date
DE2419290A1 (en) 1975-11-06

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