DE2024326A1 - Electrical circuit with a frequency response that depends on the storage effect of a circuit element - Google Patents
Electrical circuit with a frequency response that depends on the storage effect of a circuit elementInfo
- Publication number
- DE2024326A1 DE2024326A1 DE19702024326 DE2024326A DE2024326A1 DE 2024326 A1 DE2024326 A1 DE 2024326A1 DE 19702024326 DE19702024326 DE 19702024326 DE 2024326 A DE2024326 A DE 2024326A DE 2024326 A1 DE2024326 A1 DE 2024326A1
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- circuit element
- frequency
- switch means
- input signal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/062—Electronic slub detector
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
- G11C27/02—Sample-and-hold arrangements
- G11C27/024—Sample-and-hold arrangements using a capacitive memory element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/008—Networks using time-varying elements, e.g. N-path filters with variable switch closing time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
Description
PATENTANWÄLTE DIPL-ING. FINSTERWALDPATENTANWÄLTE DIPL-ING. DARK FOREST
DlPL-ING. GRÄMKOWDlPL-ING. GRÄMKOW
Braunschweig, den 11. 5 β 1970Braunschweig, November 11, 1970
Unser ZeichemKl/kl - M 20 35Our symbol Kl / kl - M 20 35
The Marconi Company Limited Bush House / Aldwych
London W,C.2 / EnglandThe Marconi Company Limited Bush House / Aldwych
London W, C.2 / England
Elektrischer Schaltkreis mit von der Speicherwirkung eines Schaltkreiselementes abhängigem FrequenzgangElectrical circuit with a frequency response that depends on the storage effect of a circuit element
Die Erfindung betrifft elektrische Schaltkreise,deren Frequenzgang von der öpeicherwirkung eines Schaltkreiselementes wie Z0B0einem Kondensator in dem elektrischen Schaltkreis abhängig ist.The invention relates to electrical circuits, the frequency response of which is dependent on the storage effect of a circuit element such as Z 0 B 0 a capacitor in the electrical circuit.
Figur 1 der Zeichnung zeigt einen typischen bekannten Schaltkreis dieser Art,im vorliegenden Fall ein einfaches Hochpaßfilter.Figure 1 of the drawings shows a typical known circuit of this type, in the present case a simple high-pass filter.
Gemäß Figur 1 besteht das Filter aus Eingangskiemmenl und Ausgangsklemmen 2,zwischen denen ein Kondensator C (mit dem Wert C) in Reihe und ein Widerstand R (mit dem Wert R) parallel geschaltet ist. Der Frequenzgang F(p) eines derartigen Schaltkreises ist, wie bekannt,durch F(p) ■ gegeben. ,According to Figure 1, the filter consists of input terminals and output terminals 2, between which a capacitor C (with the value C) is connected in series and a resistor R (with the value R) is connected in parallel is. The frequency response F (p) of such a circuit is, as is known, given by F (p) ■. ,
Die Erfindung zielt darauf al),einen elektrischen Schaltkreis der beschriebenen Art zu schaffen,bei dem der Frequenzgang von F(p) in KF ( £ ) umgewandelt ist.The invention aims at al), an electrical circuit of the described type in which the frequency response of F (p) is converted into KF (£).
Gemäß der Erfindung enthält ein elektrischer Schaltkreis der beschriebenen Art Schaltermittel,um die den Speichereffekt zeigende ochultkreiskomponente periodisch betriebswirksam zu schalten und TieftJaßfiltorrnittel,die zwischen dem Schaltkreiselement und den Ausgangsklemmen des Schaltkreises liegen,wobei diese Tiefpaßfilter mittel so ausgelegt sind,daß sie bei der Differenzfrequenz . (» -According to the invention, an electrical circuit includes the described type switch means to show the memory effect ochultkreiscomponents to be periodically activated and TiefJaßfiltorrmittel between the circuit element and the Output terminals of the circuit are, these low-pass filters medium are designed so that they are at the difference frequency. (»-
33BRAUNSCHWElCAMBaRGERPABKe ® (0531) 28487 8 MÜNCHEN 22, ROBERT-KOGH-STH. t ® (081t) 22511033BRAUNSCHWElCAMBaRGERPABKe ® (0531) 28487 8 MUNICH 22, ROBERT-KOGH-STH. t ® (081t) 225 110
0/6 2000 12 64 109828/11900/6 2000 12 64 109828/1190
Dämpfung zeigen» Dabei ist T die Periode der Schaltfolgefrequenz und FgjG die zugeführte Eingangssignalfrequenz oder (falls mehr als eine Eingangssignalfrequenz zugeführt wird ) die höchste zugeführte Eingangssignalfrequenz. Durch die Schalter- und Filtermittel geht der Frequenzgang der Schaltung von F(p) in KF (j~ ) über,wobei k das Verhältnis der Periode T.,während der das genannte Schaltkreiselement betriebswirksam angeschaltet ist,zu der Periode T der Schaltermittel ist.Show attenuation »where T is the period of the switching frequency and Fgj G is the input signal frequency supplied or (if more than one input signal frequency is supplied) the highest input signal frequency supplied. Through the switch and filter means, the frequency response of the circuit changes from F (p) to KF (j ~), where k is the ratio of the period T. during which said circuit element is operationally switched on to the period T of the switch means.
Die Folgefrequenz η* der Schaltermittel muß so gewählt sein,daß sie mindestens das Doppelte der höchsten. Eingangssignalfrequenz, die dem Schaltkreis im Betrieb zugeführt wird,beträgt.The repetition frequency η * of the switch means must be chosen so that it is at least twice the highest. Input signal frequency that is fed to the circuit during operation is.
ρ Ist das Schaltkreiselement ein Kondensator,so liegen die Schaltermittel in Reihe mit dem Kondensator«, ρ If the circuit element is a capacitor, the switch means are in series with the capacitor «,
Liegt das Schaltkreiselement in Parallelschaltung in dem elektrischen Schaltkreis,so sind weitere Schaltermittel vorgesehen,die so geschaltet und ausgelegt sind,daß sie den elektrischen Schaltkreis an einem Punkt auf der Signaieingangsseite des Schaltkreiselementes zu den Zeiten,in denen das Schaltkreiselement durch die erstgenannten Schaltermittel nicht betriebswirksam geschaltet ist,unterbrechen.If the circuit element is connected in parallel in the electrical Circuit, further switch means are provided that are switched and designed to control the electrical circuit at a point on the signal input side of the circuit element at the times when the circuit element is through the first-mentioned switch means is not switched operationally, interrupt.
Die Erfindung ist nachfolgend in Zusammenhang mit den Figuren 2-5 beschrieben.The invention is described below in connection with FIGS. 2-5 described.
Figur 2 ist ein schematisches Schaltbild des erfindungsgemäß abgewandelten Schaltkreises nach Figur 1.Figure 2 is a schematic circuit diagram of the modified according to the invention Circuit according to Figure 1.
Figur 3 zeigt in Form eines Diagramms die Qffnungs-und Schließperioden der Schaltermittel der Schaltung gemäß Fig.2 . FIG. 3 shows in the form of a diagram the opening and closing periods of the switch means of the circuit according to FIG.
Figur 4 ist ein erläuterndes Diagramm.Figure 4 is an explanatory diagram.
Figur 5 zeigt eine Ausführungsform der Erfindung in Anwendung auf einen elektrischen Schaltkreis der beschriebenen Art,wobei das die Speicherwirkung zeigende Schaltkreiseleraent in Parallelschaltung angeordnet ist.Figure 5 shows an embodiment of the invention in use an electrical circuit of the type described, wherein the circuit element showing the memory effect in Parallel connection is arranged.
109828/1 1109828/1 1
—Or——Or—
Aus Figur 2 kann ersehen werden,daß der Unterschied gegenüfler dem Schaltbild nach Figur 1 (für die Bezeichnung gleicher Teile sind gleiche Bezugszeichen verwendet) in einem zusätzlichen Schalter 5 in Reihe mit dem Kondensator C und in der Hinzunahme eines Tiefpaßfilters 3 ,welches bei der Differenzfrequenz ( ψ - FsiG^ Dämpfung zeigt,besteht. Dabei haben T und FgIG die gleichen Bedeutungen wie zuvor ausgeführt.From Figure 2 it can be seen that the difference compared to the circuit diagram of Figure 1 (the same reference numerals are used for the designation of the same parts) in an additional switch 5 in series with the capacitor C and in the addition of a low-pass filter 3, which at the difference frequency ( ψ - F siG ^ attenuation shows, exists. T and Fg IG have the same meanings as explained above.
Der Schalter S wird durch geeignete Taktgabemittel (nicht dargestellt) entsprechend dem in Figur 3 gegebenen Diagramm periodisch geschlossen und geöffnet.The switch S is activated by suitable clocking means (not shown) periodically closed and opened according to the diagram given in FIG.
Ist T1 die Periode,in der der Schalter S angeschaltet ist,und T die Schaltfolgeperiode,so wird der Frequenzgang F(p) des Schaltkreises der Figur 1 in KF( f~ ) umgewandelt,wobei k = 1 ist.If T 1 is the period in which the switch S is switched on and T is the switching sequence period, then the frequency response F (p) of the circuit of FIG. 1 is converted into KF (f ~), where k = 1.
* T~* T ~
Somit geht der Frequenzgang F(p) = ' der Schaltung gemäß Figur 1 in ^p ( E ) _ pCR über.Thus, the frequency response F (p) = 'of the circuit according to Figure 1 in ^ p (E) _ pCR .
k 1 + g CR k 1 + g CR
Der Frequenzgang der Schaltung gemäß Figur 2 ist in Figur 4 dargestellt. In diesem Diagramm«! ist das Verhältnis des Ausgangssignals zum Eingangssignal über die Frequenz aufgetragen und zwar für zwei verschiedene Werte von k (k =0,5 und k = 1,0 ). Fs ( = ψ ) in Figur 4'ist die Schaltfolgefrequenz des Schalters S der Figur 2. Um eine korrekte Arbeitsweise zu erzielen,ist die Folgefrequenz des Schalters so gewählt,daß sie mindestens das Doppelte der höchsten Eingangssignalfrequenz,die den Klemmen 1 der Schaltung nach Figur 2 zugeführt wird,beträgt. Anders ausgedrückt, £ Fs in Figur 4 kann als die untere Grenze des Nutzbereichs der Eingangsfrequenzen angesehen werden.The frequency response of the circuit according to FIG. 2 is shown in FIG. In this diagram «! is the ratio of the output signal plotted against the input signal over the frequency for two different values of k (k = 0.5 and k = 1.0). Fs (= ψ) in Figure 4 'is the switching frequency of the switch S. of Figure 2. In order to achieve correct operation, the repetition frequency of the switch is chosen so that it is at least Twice the highest input signal frequency which is fed to the terminals 1 of the circuit according to FIG. 2 is. Expressed differently, £ Fs in Figure 4 can be used as the lower limit of the useful range the input frequencies can be viewed.
In der Schaltung nach Figur 5 ist das die Speicherwirkung zeigende Schaltkreiselement,der Kondensator C,,in dem elektrischen Schaltkreis In Parallelschaltung angeordnet,während der Widerstand R^ in Reihenschaltung angeordnet ist. Zusätzlich zu dem Schalter S^In the circuit according to FIG. 5, this is the memory effect showing Circuit element, the capacitor C ,, in the electrical circuit Arranged in parallel, while the resistor R ^ is arranged in series. In addition to the switch S ^
109828/1190109828/1190
in Reihe mit dem Kondensator C. ist ein weiterer Schalter S0
ebenfalls in Reihenschaltung vorgesehen. Die Schalter S und S2
werden synchron betrieben und zwar in Übereinstimmung mit dem
durch Figur 3 gegebenen Schaltfolgediagramm. Schalter S verhütet,
daß ungefilterte Eingangssignale während der Perioden,in denen S.
geöffnet ist,ungefiltert direkt zu den Ausgangsklemmen 2 gelangen.in series with the capacitor C. is another switch S 0
also provided in series connection. The switches S and S 2
are operated synchronously in accordance with the
by Figure 3 given circuit sequence diagram. Switch S prevents unfiltered input signals during the periods in which S.
is open, unfiltered go directly to output terminals 2.
In der Schaltung gemäß Figur 5 ist ein weiteres Schaltkreiselement
mit Speicherwirkung, der Kondensator CL ,zusammen mit dem zugeordneten
Widerstand R„ und Schalter S- gezeigt. Der Schalter S3 wird
selbstverständlich synchron mit den Schaltern S. und S0 betrieben.The circuit according to FIG. 5 shows a further circuit element with a storage effect, the capacitor CL, together with the associated resistor R "and switch S-. The switch S 3 is
of course operated synchronously with the switches S. and S 0 .
Obgleich in der Erläuterung lediglich einfache mechanische Schalter
* dargestellt sind, würde es sich in der Praxis um vollständig
elektronische Schalteinrichtungen handeln.Although only simple mechanical switches * are shown in the explanation, in practice it would be complete
act electronic switching devices.
109828/1190109828/1190
Claims (1)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25315/69A GB1285971A (en) | 1969-05-19 | 1969-05-19 | Improvements in or relating to electrical circuits |
CH1383671A CH536577A (en) | 1969-05-19 | 1971-09-22 | Circuit arrangement with a quasi-variable time constant and use of the circuit arrangement |
DE19762601213 DE2601213A1 (en) | 1969-05-19 | 1976-01-14 | ELECTRIC FILTER |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2024326A1 true DE2024326A1 (en) | 1971-07-08 |
DE2024326B2 DE2024326B2 (en) | 1972-05-10 |
Family
ID=27177062
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702024326 Pending DE2024326B2 (en) | 1969-05-19 | 1970-05-19 | ELECTRICAL CIRCUIT WITH A FREQUENCY DEPENDING ON THE MEMORY EFFECT OF A CIRCUIT ELEMENT |
DE19762601213 Withdrawn DE2601213A1 (en) | 1969-05-19 | 1976-01-14 | ELECTRIC FILTER |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762601213 Withdrawn DE2601213A1 (en) | 1969-05-19 | 1976-01-14 | ELECTRIC FILTER |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH536577A (en) |
DE (2) | DE2024326B2 (en) |
FR (1) | FR2048504A5 (en) |
GB (1) | GB1285971A (en) |
NL (1) | NL7006463A (en) |
SE (1) | SE367103B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497033A1 (en) * | 1980-12-19 | 1982-06-25 | Cit Alcatel | Switched capacitor discharge sampled signal attenuator - has memory capacitor charged as function of attenuation under control of sequencer, and partial charge sampling circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570239B1 (en) * | 1984-09-07 | 1988-07-15 | Centre Nat Rech Scient | EARPHONE, TELEPHONE HANDSET AND HEADSET FOR CORRECTING INDIVIDUAL HEARING DEFICIENCIES |
DE202016106149U1 (en) | 2016-11-03 | 2016-12-14 | Osram Gmbh | Circuit arrangement for temporally discretizing an analog electrical signal |
-
1969
- 1969-05-19 GB GB25315/69A patent/GB1285971A/en not_active Expired
-
1970
- 1970-02-24 SE SE02388/70A patent/SE367103B/xx unknown
- 1970-05-01 NL NL7006463A patent/NL7006463A/xx unknown
- 1970-05-19 FR FR7018112A patent/FR2048504A5/fr not_active Expired
- 1970-05-19 DE DE19702024326 patent/DE2024326B2/en active Pending
-
1971
- 1971-09-22 CH CH1383671A patent/CH536577A/en not_active IP Right Cessation
-
1976
- 1976-01-14 DE DE19762601213 patent/DE2601213A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497033A1 (en) * | 1980-12-19 | 1982-06-25 | Cit Alcatel | Switched capacitor discharge sampled signal attenuator - has memory capacitor charged as function of attenuation under control of sequencer, and partial charge sampling circuit |
Also Published As
Publication number | Publication date |
---|---|
FR2048504A5 (en) | 1971-03-19 |
DE2601213A1 (en) | 1977-07-28 |
CH536577A (en) | 1973-04-30 |
GB1285971A (en) | 1972-08-16 |
NL7006463A (en) | 1970-11-23 |
DE2024326B2 (en) | 1972-05-10 |
SE367103B (en) | 1974-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2451353C2 (en) | Protection circuitry for a high voltage capacitor block | |
DE2017285B2 (en) | BAND BARRIER FILTER | |
DE3329242A1 (en) | CIRCUIT ARRANGEMENT FOR CHECKING THE DISTANCE OF RECTANGLE SIGNALS | |
DE2627326C2 (en) | Method and circuit arrangement for generating amplitude-modulated pulses with the pulse repetition frequency f | |
DE3614042A1 (en) | FILTER WITH SWITCHED CAPACITORS | |
DE2024326A1 (en) | Electrical circuit with a frequency response that depends on the storage effect of a circuit element | |
DE2229398A1 (en) | Differential pulse code modulation system with periodic change in the modulator step | |
DE2051443A1 (en) | Electric filter circuit | |
DE3234702C2 (en) | ||
EP0829962B1 (en) | Circuit for determining and storing a signal mean value | |
DE2618524C3 (en) | Circuit arrangement for blanking interference pulses | |
DE3031667C2 (en) | Signal spectrum display device | |
DE2737553A1 (en) | SWITCHED REUSABLE FILTER | |
DE3012263C2 (en) | Flasher circuit | |
DE2756952C3 (en) | Digital tax rate for a self-commutated converter | |
DE19637150A1 (en) | Circuit for determining and evaluating a data signal | |
DE3536731C2 (en) | ||
DE2414838C3 (en) | Circuit arrangement for forming an average value signal | |
CH668519A5 (en) | ACTIVE LOW-PASS FILTER SWITCHING. | |
DE2423061C2 (en) | Circuit arrangement for delaying and increasing the edge of pulses for integrated circuits | |
DE1923893A1 (en) | Band filter in the manner of an N-path filter | |
DE19610248A1 (en) | Signal path electrical isolation method | |
DE2449341A1 (en) | Binary signal train keying ratio - method detects whether train exceeds or falls short of set keying ratio | |
DE3002056A1 (en) | Switched capacitor filter circuit with simulated inductance - includes operational amplifier with capacitive feedback and phase controlled capacitor switching | |
CH656758A5 (en) | Phase monitoring circuit |