DE1223411B - Circuit arrangement for a tone generator - Google Patents

Circuit arrangement for a tone generator

Info

Publication number
DE1223411B
DE1223411B DEM53454A DEM0053454A DE1223411B DE 1223411 B DE1223411 B DE 1223411B DE M53454 A DEM53454 A DE M53454A DE M0053454 A DEM0053454 A DE M0053454A DE 1223411 B DE1223411 B DE 1223411B
Authority
DE
Germany
Prior art keywords
circuit
transistor
tone generator
resonant circuit
capacitor
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
Application number
DEM53454A
Other languages
German (de)
Inventor
Guenter Ott
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.)
Metz Apparatewerk Inh Paul Metz
Original Assignee
Metz Apparatewerk Inh Paul Metz
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 Metz Apparatewerk Inh Paul Metz filed Critical Metz Apparatewerk Inh Paul Metz
Priority to DEM53454A priority Critical patent/DE1223411B/en
Publication of DE1223411B publication Critical patent/DE1223411B/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/1262Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements
    • H03B5/1265Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements switched capacitors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1296Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)

Description

Schaltungsanordnung für einen Tongenerator Zur Funkfernsteuerung von Modellen oder ähnlichen Geräten werden bei Mehrkomponentenbetrieb wie auch bei Einkomponentenbetrieb zur Erhöhung der Selektivität tonmodulierte Sender verwendet. Je nach der Art des Empfängers werden bei Mehrkomponentenbetrieb Kombinationen aus mehreren Tönen simultan öder nacheinander gesendet.Circuit arrangement for a tone generator for radio remote control of Models or similar devices are used in multi-component operation as well as in single-component operation tone-modulated transmitters are used to increase selectivity. Depending on the type of In multi-component operation, combinations of several tones are received simultaneously or sent one after the other.

Der Tonmodulation dienen besonders Tongeneratoren, die man aus Stromersparnisgründen nur bei Bedarf, also während der Signaldauer, schwingen lassen muß. Es ist auch bekannt, die übrigen Stufen des Senders in den Signalpausen stillzulegen. Während die Inbetriebnahme der Sendestufen durch Potentialverlagerung am Gitter der Senderöhre oder an der Basis der Schwingtransistoranordnung vorgenommen werden kann, muß die Einschaltung der Tongeneratoren in Abhängigkeit von der Sendetaste gebracht werden. Bei unmittelbarer Tastung der Tongeneratoren und womöglich noch Kombinationsbildung aus mehreren Tönen sind dann je Taste mehrere Kontaktfedern erforderlich.The tone modulation is especially used by tone generators, which are used to save electricity only when necessary, i.e. during the signal duration, must be allowed to oscillate. It is also known to shut down the remaining stages of the transmitter in the signal pauses. While the commissioning of the transmission stages by shifting the potential on the grid of the transmission tube or can be made at the base of the oscillating transistor arrangement, the Activation of the tone generators depending on the send button. With immediate keying of the tone generators and possibly also combinations from several tones, several contact springs are required for each key.

Gegenstand der Erfindung ist ein Tongenerator, der bei Anwendung einfacher Ruhekontakte an den Tasten bzw. bei Anwendung von mehreren Ruhekontakten bei der Kombinationsbildung von Steuersignalen auf mehreren Tonkomponenten eine Ersparnis an Aufwand und eine Vereinfachung der Schaltung bringt. Gleichzeitig soll eine besondere Einstellung und womöglich eine zeitliche Abhängigkeit der Betätigung der einzelnen Kontakte vermieden werden. Dies wird gemäß der Erfindung bei einer Schaltungsanordnung für einen Tongenerator für Fernsteuer-, Regel-, Fernwirkanlagen oder Musikinstrumente zur wahlweisen Einstellung auf eine oder mehrere festgelegte Frequenzen durch wahlweises Einschalten von Kondensatoren in einem mit einem Transistor arbeitenden Schwingkreis dadurch erreicht, daß jedem Kondensator des Schwingkreises eine Taste zugeordnet ist, die einerseits in ihrer Ruhelage den zugehörigen Kondensator kurzschließt und gleichzeitig Sperrpotential an den Transistor legt, andererseits in ihrer Arbeitslage den Kurzschluß des zugehörenden Kondensators aufhebt und den Schwingkreis einschaltet.The invention relates to a tone generator that is easier to use Normally closed contacts on the buttons or when using several normally closed contacts on the Combination formation of control signals on several sound components is a saving of effort and a simplification of the circuit. At the same time, a special Setting and possibly a time dependency of the actuation of the individual Contacts are avoided. According to the invention, this is done in a circuit arrangement for a tone generator for remote control, regulating, remote control systems or musical instruments for optional setting to one or more specified frequencies by using the optional Switching on capacitors in an oscillating circuit working with a transistor achieved in that each capacitor of the resonant circuit is assigned a key is, which on the one hand short-circuits the associated capacitor in its rest position and at the same time applies blocking potential to the transistor, on the other hand in their working position removes the short circuit of the associated capacitor and switches on the resonant circuit.

Der Gegenstand der Erfindung ist der Zeichnung zu entnehmen. Aus einem Transformator Ue und einem Kondensator Cl oder C2 oder C3 wird ein Schwingkreis gebildet. Die Kondensatoren Cl, C2 und und C3 sind in Reihe geschaltet und durch die Ruhekontakte 1, 2 und 3 einzeln kurzgeschlossen. Bei Öffnung eines dieser Ruhekontakte ist ein Schwingkreis, bestehend aus der Wicklung des Transformators und dem freigegebenen Kondensator, schwingfähig. Über die Schwingkreisspule und die kurzgeschlossenen Kondensatoren liegt in Ruhe die Basis des Schwingtransistors T 1 an Masse. Der Anschluß der Transistorbasis erfolgt dabei an einen Abzweig der Schwingkreisspule. Das Ende dieser Spule führt an den Verbindungspunkt der beiden Widerstände R2 und R3, welche der Spannungsteilung der angelegten Betriebsspannung dienen. Die an diesem Verbindungspunkt auftretende Teilspannung Vs der Betriebsspannung VB kann wegen des Kurzschlusses durch die Ruhekontakte nicht wirksam werden. Bei Tastung wird einer der Ruhekontakte geöffnet, der Schwingkreis schwingt mit der seiner Induktivität und dem freigegebenen Kondensator entsprechenden Tonfrequenz, der durch den Kurzschluß vordem gesperrte Transistor T1 wird durch die Teilspannung - Vs geöffnet. Bei Anwendung des Tongenerators in einem Funkfernsteuersender wird mit der über den Transistor verstärkten Tonfrequenz der Hochfrequenzteil des Senders moduliert und die entsprechende Energie über die Antenne abgegeben. Gleichzeitig kann auf schon bekannte Weise über die abgegebene Tonfrequenz-Energie der vordem gesperrte Hochfrequenzteil des Senders entsperrt werden.The subject matter of the invention can be found in the drawing. An oscillating circuit is formed from a transformer Ue and a capacitor C1 or C2 or C3. The capacitors C1, C2 and C3 are connected in series and individually short-circuited by the normally closed contacts 1, 2 and 3. When one of these normally closed contacts is opened, an oscillating circuit, consisting of the winding of the transformer and the released capacitor, can oscillate. The base of the oscillating transistor T 1 is connected to ground via the resonant circuit coil and the short-circuited capacitors. The transistor base is connected to a branch of the resonant circuit coil. The end of this coil leads to the connection point of the two resistors R2 and R3, which are used to divide the applied operating voltage. The partial voltage Vs of the operating voltage VB occurring at this connection point cannot take effect because of the short circuit through the normally closed contacts. When keying, one of the normally closed contacts is opened, the resonant circuit oscillates with the audio frequency corresponding to its inductance and the released capacitor, the transistor T1, which was previously blocked by the short circuit, is opened by the partial voltage - Vs. When using the tone generator in a radio remote control transmitter, the high-frequency part of the transmitter is modulated with the tone frequency amplified by the transistor and the corresponding energy is emitted via the antenna. At the same time, the previously blocked high-frequency part of the transmitter can be unblocked in a known manner via the audio frequency energy emitted.

Bei Mehrkomponentenbetrieb, also Anwendung mehrerer Frequenzen zur gleichzeitigen Modulation des Hochfrequenzteiles, müssen so viele Tonfrequenzgeneratoren als gleichzeitig Tonfrequenzen ausgesandt werden sollen vorhanden sein. Jede Kombinationstaste muß für sich durch eigenen Ruhekontakt die jeweils benötigten Tonfrequenzschwingkreise freigeben können. Durch die gleichzeitige Freigabe des gesperrten Schwingtransistors T 1 und des gewünschten Schwingkreises über jeweils einen Ruhekontakt wird der Aufbau der Sendetasten vereinfacht, eine Verkleinerung des Gerätes und eine Vereinfachung der Einstellung erreicht.In multi-component operation, i.e. using several frequencies for the simultaneous modulation of the high-frequency part, there must be as many audio frequency generators as there are audio frequencies to be sent out at the same time. Each combination key must be able to release the audio frequency resonant circuits required in each case through its own break contact. The simultaneous release of the blocked oscillating transistor T 1 and the desired oscillating circuit via a normally closed contact each simplifies the structure of the transmission buttons, reduces the size of the device and simplifies the setting.

Die erfindungsgemäße Anordnung kann außer bei der Funkfernsteuerung von Modellen für jede Ein-oder Mehrkomponentensignalschaltung der Regel-oder Fernwirktechnik Anwendung finden. Tongeneratoren dieser. Art können auch in elektrischen Musikinstrumenten verwendet werden.The arrangement according to the invention can except for the radio remote control of models for each single or multi-component signal circuit in control or telecontrol technology Find application. Tone generators this. Art can also be used in electrical musical instruments be used.

Claims (1)

Patentanspruch: Schaltungsanordnung für einen Tongenerator für Fernsteuer-, Regel-, Fernwirkanlagen oder Musikinstrumente zur wahlweisen Einstellung auf eine oder mehrere festgelegte Frequenzen durch wahlweises Einschalten von - Kondensatoren in einen mit einem Transistor arbeitenden. Schwingkreis, dadurch -gekennzeichnet, däß jedem Kondensator (C1, C2, C3) des Schwingkreises eine Taste (1, B, 3) zugeordnet ist, die einerseits in ihrer Ruhelage den zugehörigen Kondensator kurzschließt und gleichzeitig Sperrpotential (-I-) an den Transistor (T1) legt, andererseits in ihrer Arbeitslage den Kurzschluß des zugehörigen Kondensators aufhebt und den Schwingkreis einschaltet (-Vs an T l). In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. -886 754.Claim: Circuit arrangement for a tone generator for remote control, Control systems, telecontrol systems or musical instruments for optional adjustment to one or several defined frequencies by optionally switching on - capacitors into one working with a transistor. Resonant circuit, characterized by that each capacitor (C1, C2, C3) of the resonant circuit is assigned a key (1, B, 3) is, which on the one hand short-circuits the associated capacitor in its rest position and at the same time blocking potential (-I-) applies to the transistor (T1), on the other hand in their Working position removes the short circuit of the associated capacitor and the resonant circuit switches on (-Vs at T l). Publications considered: German patent specification No. -886 754.
DEM53454A 1962-07-05 1962-07-05 Circuit arrangement for a tone generator Pending DE1223411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM53454A DE1223411B (en) 1962-07-05 1962-07-05 Circuit arrangement for a tone generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM53454A DE1223411B (en) 1962-07-05 1962-07-05 Circuit arrangement for a tone generator

Publications (1)

Publication Number Publication Date
DE1223411B true DE1223411B (en) 1966-08-25

Family

ID=7307728

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM53454A Pending DE1223411B (en) 1962-07-05 1962-07-05 Circuit arrangement for a tone generator

Country Status (1)

Country Link
DE (1) DE1223411B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE886754C (en) * 1948-11-17 1953-08-17 Gen Electric Oscillator for generating one or the other two closely adjacent output frequencies

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE886754C (en) * 1948-11-17 1953-08-17 Gen Electric Oscillator for generating one or the other two closely adjacent output frequencies

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