DE763211C - Circuit arrangement for receiving circuits on radio receivers - Google Patents
Circuit arrangement for receiving circuits on radio receiversInfo
- Publication number
- DE763211C DE763211C DES122043D DES0122043D DE763211C DE 763211 C DE763211 C DE 763211C DE S122043 D DES122043 D DE S122043D DE S0122043 D DES0122043 D DE S0122043D DE 763211 C DE763211 C DE 763211C
- Authority
- DE
- Germany
- Prior art keywords
- coil
- switching
- radio receivers
- winding parts
- antenna circuit
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
Die Erfindung bczivlit sich auei:i(:"i neuartigen Aufbau bzw. neuartige Anordnung der Antennen- und Gitterkreisspulen für Eingangskreise an Rundfunkempfangsgeräten mit mehreren Wellenbereiclieii.The invention consists of: i (: "i novel structure or novel Arrangement of antenna and grid circle coils for input circuits on radio receivers with several wave areas.
Es sind bereits Spurenanordnungen für Eingangskreise an Rundfunkeinpfangsgeräten bekanntge-,vorden. hei denen durch die Umschaltung auf einen anderen Wellenbereich einzelne @t"icklungsteiie kurzgeschlossen werden. -Man war aber bisher der Auffassung, dali das Kurzsciiliel')en von Wicklungsteilen bei Einrichtungen für drahtlose Telegraphie und Telephonie, welche mit der übrigen Wicklung durch ihre Lage gekoppelt bleiben, vermieden werden niüte. um D'-:inpfuiigeii bzw. gegenseitige Einwirkungen zu vermeiden. Der Aufbau der Antennen- Lind Gitterlcreisspulen erfolgt daher meistens auf getrennten Spurenträgern, die in einigem Abstand voneinander angeordnet sind. Auch waren die verschiedenen Wicklungsteile der einzelnen Spulen in einigeln Abstand voneinander angeordnet, so dar der Aufbau im grol:;en und ganzen tunständlich und urizwecl;niäPig war.There are already track arrangements for input circuits on radio reception devices known, vorden. called by switching to another waveband individual @t "icklungsteiie are short-circuited. dali the abbreviation of winding parts in devices for wireless telegraphy and telephony, which remain linked to the rest of the winding due to their position, be avoided. in order to avoid D '-: inpfuiigeii or mutual influences. The structure of the antenna and lattice circular coils is therefore mostly carried out on separate ones Track carriers, which are arranged at some distance from each other. They were too different winding parts of the individual coils at some distance from each other arranged, so that the structure is in the large:; s and as a whole manageable and urizwecl; niäPig was.
Die Erfindung weist neue Wege, wodurch die oben geschilderten -Nachteile vermieden bzw. die Dämpfung vorteilhaft ausgenutzt wird. Erfiiidungsgemäll wird dies bei einer Spurenanordnung für Eingangskreise an Rundfunkempfangsgeräten mit Umschaltung auf mehrere Wellenbereiche durch Kurzschließen von einzelnen Wicklungsteilen dadurch erreicht, daß die Antennenkreisspule auf einem einzigen Spurenkörper derart zwischen den zur Vermeidung gegenseitiger Beeinflussung in einigem Abstand voneinander angeordneten und in gleicher- Achsrichtung liegenden Wicklungsteilen der mit der Antennenspule gekoppelten Gitterkreisspule angeordnet ist, daß bei der Umschaltung von einem Wellenbereich zum anderen lediglich bei der Antennenkreisspule neben der Induktiv ität auch die Dämpfung der Spule verändert wird. Der Dämpfungswert der Antennenwicklung erfährt hierbei eine gewisse Erhöhung, die jedoch in vielen Fällen gewünscht ist. um ausgesprochene Resonanzlagen zti vermeiden. Abgesehen davon ergibt sich durch die Anwendung der Erfindung ein sehr vorteilhafter Aufbau der induktiven Glieder des Antennenkreises bei einem einfachen Aufbau der Umschalteinrichtung. Man gelangt hierbei zu räumlichen Abmessungen der Einrichtung, die sonst nicht zu erreichen sind. Die Vorteile der Erfindung sind am beten durch den Hin-«-eis auf ein Beispiel zu erkennen, wonach auf einem Garnrollenhochfrequenzeisenkern, welcher mit einem entsprechend axial unterteilten Spurenkörper versehen ist. die Wicklungen unmittelbar beieinanderliegen und für zwei `Wellenbereiche nur ein einpoliger Schalter benötigt wird.The invention shows new ways, as a result of which the disadvantages outlined above avoided or the damping is advantageously used. According to the invention this with a track arrangement for input circuits on radio receivers Switching to several wave ranges by short-circuiting individual winding parts achieved in that the antenna circuit coil on a single track body in such a way between the to avoid mutual interference at some distance from each other arranged and lying in the same axial direction winding parts with the Antenna coil coupled grid circle coil is arranged that when switching from one wave range to the other only with the antenna circuit coil next to the The attenuation of the coil is also changed inductively. The attenuation value of the Antenna winding experiences a certain increase in this, but this in many cases is desired. in order to avoid pronounced resonance positions. Apart from that it results By applying the invention, a very advantageous structure of the inductive Elements of the antenna circuit with a simple construction of the switching device. This leads to spatial dimensions of the device that would otherwise not be are to be achieved. The advantages of the invention are to be found in praying through the advice to recognize an example, according to which on a thread spool high frequency iron core, which is provided with a corresponding axially subdivided trace body. the windings are directly next to each other and only one single-pole switch for two `wavebands is needed.
Eine beispielsweise Anordnung für die Anwendung der Erfindung zeigt die Abbildung der Zeichnung. In dieser bezeichnet i die Antenne, 2 die Wicklungsanordnung des Antennenkreise_-# und 3 die dieser zugeordnete 'Umschalteinrichtung für die verschiedenen Wellenbereiche. Die Wicklungsteile 4 und 5 ,hören zum Gitterkreis der ersten Röhre. Sie sind auf Garnrollenhochfrequenzkernen angeordnet. und von ihnen wird für die Umschaltung des Gerät: auf den kürzeren Wellenbereich der Wicklungsteil .l_ mittels eifies Wellenbereichumschalters 6 kurzgeschlossen.An example arrangement for practicing the invention is shown in FIG the illustration of the drawing. In this, i denotes the antenna, 2 the winding arrangement of the antenna circuits _- # and 3 the 'switching device for the different wave ranges. The winding parts 4 and 5, listen to the grid circle the first tube. They are arranged on high-frequency cores of thread spools. and from they are used for switching the device: to the shorter wave range of the winding part .l_ short-circuited by means of a waveband switch 6.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES122043D DE763211C (en) | 1936-03-21 | 1936-03-21 | Circuit arrangement for receiving circuits on radio receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES122043D DE763211C (en) | 1936-03-21 | 1936-03-21 | Circuit arrangement for receiving circuits on radio receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE763211C true DE763211C (en) | 1954-03-22 |
Family
ID=7535745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES122043D Expired DE763211C (en) | 1936-03-21 | 1936-03-21 | Circuit arrangement for receiving circuits on radio receivers |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE763211C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE508176C (en) * | 1928-08-17 | 1930-09-25 | Neufeldt & Kuhnke G M B H | Method and arrangement for aperiodic coupling of the antenna to the input circuit of receiving devices |
| GB383352A (en) * | 1931-09-18 | 1932-11-17 | Leslie Ernest Thomas Branch | Improvements in or relating to a method and apparatus for wireless tuning circuits |
| FR772851A (en) * | 1934-05-04 | 1934-11-07 | Coil system |
-
1936
- 1936-03-21 DE DES122043D patent/DE763211C/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE508176C (en) * | 1928-08-17 | 1930-09-25 | Neufeldt & Kuhnke G M B H | Method and arrangement for aperiodic coupling of the antenna to the input circuit of receiving devices |
| GB383352A (en) * | 1931-09-18 | 1932-11-17 | Leslie Ernest Thomas Branch | Improvements in or relating to a method and apparatus for wireless tuning circuits |
| FR772851A (en) * | 1934-05-04 | 1934-11-07 | Coil system |
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