EP1435133A1 - Relais lectronique de commutation - Google Patents

Relais lectronique de commutation

Info

Publication number
EP1435133A1
EP1435133A1 EP02734990A EP02734990A EP1435133A1 EP 1435133 A1 EP1435133 A1 EP 1435133A1 EP 02734990 A EP02734990 A EP 02734990A EP 02734990 A EP02734990 A EP 02734990A EP 1435133 A1 EP1435133 A1 EP 1435133A1
Authority
EP
European Patent Office
Prior art keywords
frequency
filter
capacity
diode
switching
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.)
Withdrawn
Application number
EP02734990A
Other languages
German (de)
English (en)
Inventor
Ltd. Emp-Centauri
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 DE20221452U priority Critical patent/DE20221452U1/de
Publication of EP1435133A1 publication Critical patent/EP1435133A1/fr
Withdrawn legal-status Critical Current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
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
    • H03K17/76—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors

Definitions

  • the invention relates to a switching electronic relay, especially to a relay for switching of electromagnetic signals of a field of decametre up to centimetre waves, the electronic relay being furnished with at least one lowpass frequency filter of a T-network type of at least second order and/or a Pl- network of at least second order, the lowpass frequency filter being equipped with at least one semiconductor diode.
  • Switching relays equipped with low frequency T-network or Pl-network type filters manifest rather narrow frequency band in the range from hundreds ot MHz up to units of GHz. frequencies. It is an object of the invention to design a switching electronic relay operating in a very wide wave-length range from decametres up to centimetres. Disclosure and Object of the Invention
  • the said object is achieved by a switching electronic relay furnished with at least one lowpass frequency filter of a T -network type of at least second order and/or of a Pl-network of at least second order, the lowpass filter being equipped with at least one semiconductor diode, the relay in accordance with the present invention comprising at least two branches with a common node, each branch being furnished with a dipole having at least one semiconductor diode and being through a series capacitor connected in series with a lowpass frequency LC-filter, the series capacitor having a capacity value at least five times higher than a transition capacity of the diode, the dipole being further connected to a source of a first control voltage, while a source of a second control voltage is connected between an input and an earth terminal of the lowpass frequency LC-filter, provided the applied network capacity element, is connected to the earth terminal and comprise a diode having a threshold frequency lower than the highest switched frequency.
  • the earth terminal of the lowpass frequency LC-filter can be connected to the ground via a grounding capacitor having a capacity the value of which is at least five times higher than a transition capacity of the diode of the lowpass frequency LC-filter.
  • the common node of the two branches can be connected to the first switch terminal via at least one semiconductor diode.
  • the switching relay according to the invention allows for operation with signals the frequencies of which range from units of MHz up to GHz, such an operation being possible by means of simple and reliable technical means without any moving mechanical parts.
  • Fig. 1 illustrates a principle circuit diagram of the relay
  • Figs 2, 3 and 4 show preferred embodiments of a block A according to Fig. 1.
  • Figs 5, 6 and 7 present several preferred embodiments of a block B according to Fig. 1.
  • Fig. 8 offers a connection of a multi-pole relay, where branches X 1 and X 2 are arrays according to Fig. 1.
  • Fig. 9 there is shown a four-pole relay with branches X 1 and X 2 according to Fig. 1.
  • Fig. 10 illustrates a preferred embodiment of a double-pole relay.
  • a two-pole switching relay having two mutually identical branches X 1 , X which are connected to a common first switching terminal 1
  • Both the first branch X 1 and the second branch X 2 are provided with a series combination of a dipole A and a triple-pole B having a series capacitor 2 connected between the both units.
  • the series capacitor 2 has a capacity the value of which is at least five times higher than a value of a transition capacity of the semiconductor diode 7 of the lowpass frequency LC-filter.
  • the dipole A is through a first load resistor 3 connected to a source of a first control voltage U-i.
  • the triple-pole B is connected to a source of a second control voltage U 2 , the second control voltage U2 being connected through a second load resistor 4 in-between an input and an earth terminal 5 of the triple-pole B.
  • the earth terminal 5 is connected to a ground by means of a grounding capacitor 6, the capacity value of which is at least five times higher than a value of a transition capacity of the semiconductor diode 7 of the lowpass frequency LC-filter.
  • the grounding capacitor 6 may be omitted.
  • the first load resistor 3 and/or the second load resistor 4 may be replaced by an inductive load, both load resistors 3,4 may even have a zero value.
  • the dipole A is performed by at least one semiconductor diode 7 having a threshold frequency value lower than the value of the highest switched frequency, the semiconductor diode 7 being connected in any conductance direction, as seen from Figs. 2, 3 and 4.
  • a lowpass frequency LC-filter of a type of a T-network of at least second order and/or a Pl-network of at least second order As the triple-pole B there is used a lowpass frequency LC-filter of a type of a T-network of at least second order and/or a Pl-network of at least second order.
  • a capacity element of the filter comprises a semiconductor diode 7 having a threshold frequency value lower than the value of the highest switched frequency.
  • FIG. 5 and 6 show embodiments of the lowpass frequency LC-filter furnished with a T-network of a second order, the network having two inductors 8 the common node of which is through a semiconductor diode 7 connected to the earth terminal 5.
  • the embodiments presented in Figs. 5 and 6 differ from each other only by a polarity of the semiconductor diode 7 connection.
  • An output of the lowpass frequency LC-filter represents an output of the respective first branch X 1 or the second branch X 2 of the switching relay, the branch output being equipped with a second switching terminal 10, which provides for a connection to a continuing line.
  • Fig. 7 offers a similar connection of a lowpass frequency LC-filter furnished with a T-network of a fifth order.
  • the first switching terminal I and the second switching terminal 10 may be mutually interchanged. In a case when a switched signal is connected to the first switching terminal I, then a load is connected to the second switching terminal 10 and vice versa.
  • a multi-pole relay may be easily constructed by a multiple parallel combination of above described branches X 1 , X 2 .
  • the number n of individual relay poles corresponds to the number of applied branches _X 1 , X 2 , .... , X n .
  • the relay according the invention operates in a mode described as follows.
  • a switched signal passes through only one of the two branches X 1 , X 2 .
  • the first control voltage Ui applied on a dipole A of the first branch X 1 shall be as high as to keep the respective semiconductor diode 7 in a conductive state and the said signal passes through nearly without any attenuation, while the first control voltage Ui applied on a dipole A of the second branch X 2 shall be of a value to keep the respective semiconductor diode 7 in a non-conductive state and the signal passes highly attenuated.
  • the second control voltage U 2 shall be of a value to keep the respective semiconductor diode 7 of the triple-pole B of the first branch X 1 in a non-conductive state and the said signal passes through nearly without any attenuation, while the second control voltage U2 applied on the triple-pole B of the second branch X 2 shall be of a value to keep the respective semiconductor diode 7 in a conductive state so the signal passes through the second branch X 2 highly attenuated. If a signal is to pass only through the second branch X 2 , the dipoles A and the triple-poles B shall be in opposite operation modes as described above.
  • Fig. 10 shows a practical wiring diagram of a double-pole switching relay constructed in accordance with the invention.
  • the said relay comprise the first and the second branches X 1 , X 2 the common node of which is connected to the first switching terminal 1.
  • a dipole A featuring two semiconductor diodes 7 in a serial combination, is through a series capacitor 2 connected to a triple-pole B, which is provided with a T-network of a fifth order as shown on Fig. 7.
  • the series capacitor 2 is by-passed by a serial combination of two load resistors 3,4 with an output from their nodal point.
  • the applied T-network comprise a serial combination of three inductors 8, both nodes of adjacent inductors 8 being through a semiconductor diode 7 connected to the earth terminal 5.
  • a source of control voltage U 0 is connected between the nodal point of the two load resistors 3,4 and the common node of the first and the second branches X 1 , X 2 .
  • this relay arrangement is performed in such a way, that applying a constant control voltage U 0 at the nodal point of the two load resistors 3,4 of the first branch X 1 and a zero voltage at the nodal point of the load resistors 3,4 of the second branch X 2 the first branch X 1 shall be in a non-conducting state and no signal shall pass through, while the second branch X 2 shall be in a conducting state and therefore a signal shall pass.
  • the first branch X 1 when applying a zero voltage at the nodal point of the load resistors 3,4 of the first branch X 1 and a constant control voltage U 0 at the noda ⁇ point of the load resistors 3,4 of the second branch X 2 the first branch X 1 shall be in a conducting state, thus allowing for signals to pass tthhrroouugghh,, wwhhiillee tthhee sseeccoonndd bbrraarnch X 2 shall be in a non-conducting state blocking signals to pass through.
  • the present invention is designed for equipment for an individual and a community reception of terrestrial or satellite TV signals.

Landscapes

  • Electronic Switches (AREA)

Abstract

L'invention concerne un relais électronique pour la commutation de signaux électromagnétiques du champ d'ondes de l'ordre du décamètre jusqu'au centimètre. Ce relais électronique comprend au moins deux branches ayant un noeud commun, chaque branche (X1, X2) étant munie d'un dipôle (A) qui comprend au moins une diode (7) et qui est monté en série par un condensateur-série (2) pourvu d'un filtre LC à fréquences passe-bas. Le condensateur-série (2) possède une capacité au moins cinq fois supérieure à la capacité de transition de la diode (7). Le dipôle (A) est également relié à une source d'une première tension de commande (U¿1?), tandis qu'une source d'une seconde tension de commande (U2) relie une entrée et une station au sol (5) du filtre LC basse fréquence. L'élément de capacité appliquée de réseau appliqué est relié à la station au sol (5) et comprend une diode (7) dont la fréquence seuil est inférieure à la plus haute fréquence commutée. De préférence, la station au sol (5) du filtre LC basse fréquence est reliée au sol par un condensateur de masse (6) qui possède une capacité dont la valeur est au moins cinq fois supérieure à la capacité de transition de la diode (7) du filtre LC basse fréquence.
EP02734990A 2001-05-04 2002-05-02 Relais lectronique de commutation Withdrawn EP1435133A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20221452U DE20221452U1 (de) 2001-05-04 2002-05-02 Elektronisches Schaltrelais

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CZ200101966U 2001-05-04
CZ200111966U CZ11323U1 (cs) 2001-05-04 2001-05-04 Přepínací elektronické relé
PCT/CZ2002/000026 WO2002091574A1 (fr) 2001-05-04 2002-05-02 Relais électronique de commutation

Publications (1)

Publication Number Publication Date
EP1435133A1 true EP1435133A1 (fr) 2004-07-07

Family

ID=5475268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02734990A Withdrawn EP1435133A1 (fr) 2001-05-04 2002-05-02 Relais lectronique de commutation

Country Status (4)

Country Link
EP (1) EP1435133A1 (fr)
CZ (1) CZ11323U1 (fr)
EA (1) EA004751B1 (fr)
WO (1) WO2002091574A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2047145C3 (de) * 1970-09-24 1975-05-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Anschaltung mehrerer FrequenzvervieHacherstufen an einen gemeinsamen Generator für die Grundfrequenz
GB2232303A (en) * 1989-05-23 1990-12-05 Marconi Gec Ltd Waveguide switch
EP0784384B1 (fr) * 1995-07-19 2003-04-16 TDK Corporation Commutateur d'antenne
JPH09200077A (ja) * 1996-01-16 1997-07-31 Murata Mfg Co Ltd 複合高周波部品

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02091574A1 *

Also Published As

Publication number Publication date
EA200301086A1 (ru) 2004-06-24
EA004751B1 (ru) 2004-08-26
WO2002091574A1 (fr) 2002-11-14
CZ11323U1 (cs) 2001-06-18

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