EP3539213A1 - Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung - Google Patents
Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltungInfo
- Publication number
- EP3539213A1 EP3539213A1 EP17798123.0A EP17798123A EP3539213A1 EP 3539213 A1 EP3539213 A1 EP 3539213A1 EP 17798123 A EP17798123 A EP 17798123A EP 3539213 A1 EP3539213 A1 EP 3539213A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- amplifier circuit
- power stage
- generated
- voltage
- converter
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21161—An output signal dependant signal being measured by current measuring at the output of a power amplifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5458—Monitor sensor; Alarm systems
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Definitions
- the invention relates to an amplifier circuit and a method for operating an amplifier circuit.
- Amplifier circuits and methods for their operation are known per se.
- Switching stages can be controlled by means of a logic block comprising a PWM modulator.
- Disadvantages of known amplifier circuits include, for example, unfavorable power losses and not always exact amplification ratios.
- Fire detectors and other combined in a network addressed Nottechnischsuer such as Rauchdetek- factors, signaling devices, alarm devices, such as flash lamps and so-called sounders (horns), input / output devices (I / O devices), a repeater, terminals, floor indicators and derglei ⁇ chen - hereinafter individually and collectively referred to briefly as field device or field devices - are operated via a detector line with a communication protocol, usually the so-called FDnet protocol, and supplied with electrical energy via the detector line and within the scope of the communication protocol.
- the communication protocol provides a high tension ⁇ nungshub. Normally, such a detector line is galvanically separated from a remaining fire alarm system.
- An object of the present invention is to provide a still further improved amplifier circuit and a method for their operation. This object is achieved by means of a functioning as lines ⁇ driver amplifier circuit having the features of claim 1.
- the amplifier circuit comprises a DC / DC converter, which is integrated as a power stage in the amplifier scarf ⁇ tion.
- a galvanic isolation of the input-side supply voltage Vi n is achieved by the output voltage V out generated by the amplifier circuit in such a way that the desired output voltage Voltage V out and the desired output signal directly and oh ⁇ ne generating a DC intermediate voltage arise.
- the advantage of this aspect of the invention is mainly in the simplified embodiment of the first switching stage of the voltage converter.
- the first switching stage includes input and output side, inductive transformer and two opposite driven Brü ⁇ CKEN.
- a much simpler power stage takes the place of such a power stage.
- the DC / DC converter integrated into the amplifier circuit functions as a DC / pulse converter and comprises two galvanically isolated switching stages.
- a DC / pulse converter upstream logic block are from a PWM signal drive signals for switches of
- Generatable DC / pulse converter and can be fed into the DC / pulse converter galvanically isolated by means of drivers.
- the amplifier circuit comprises a priority block and a first controller and a second controller, and the above-mentioned PWM signal can be generated based on an output of the priority block.
- This is routable by the Priori ⁇ tuschsblocks either an output signal of the first controller or an output signal of the second controller.
- the first regulator is a first error signal based on a predetermined or predefinable voltage limit and one within the amplifier circuit via a
- a second error signal is based on a predetermined or specifiable current limit value. as one within the amplifier circuit via a
- the amplifier circuit each comprises a control loop for current and voltage, which control a primary end term actuator (first switching stage) are electrically insulated on ⁇ .
- This actuator chops (PWM) the input voltage Vi n and leads it via a controlled rectifier to a filter, which filters out the switching frequency.
- a central aspect of the proposed innovation here is to combine the converter and the amplifier into a single switched stage ,
- a printed circuit board with the circuit proposed here increases the efficiency of a detector line driver from 65% to almost 90%.
- the circuit with an output current of 1.5 A is only slightly more expensive than the existing linear solution with 0.5 A output current.
- the space requirement was reduced by about 30% compared to the existing solution.
- the current limitation is now lossless, the Behhal ⁇ th is significantly improved in case of failure. Due to the possibility of using different switching topologies, the solution is very well scalable in terms of performance.
- the invention is also an apparatus for controlling field devices functioning as alarm devices of the type mentioned above with an amplifier circuit as described here and below and / or an amplifier circuit with means for carrying out the operating method.
- FIG 1 shows a known amplifier circuit with an upstream DC / DC converter for generating the supply voltage of the amplifier
- FIG 2 further details of the circuit of FIG 1,
- FIG 5 details the function of one of the circuit according to
- FIG. 4 comprise logic block
- 6 shows a symbolic representation of the function of the logic block according to FIG. 5 and FIG. 7 a chronological progression of individual essential signals during operation of the amplifier circuit proposed here.
- Line driver 1 shows a known, acting as a line driver (line driver) amplifier circuit. This includes for generating the supply voltage of the amplifier circuit on the input side a galvanically isolated DC / DC converter 1 and a downstream linear amplifier 2. To the linear amplifier 2, a multiplexer circuit 3 is connected, which generates the output voltage generated by the linear amplifier 2
- Vout + / V ou t switched to individual branches of a network with consumers in the form of field devices 4, in particular smoke detectors, annunciators, alarm devices such as flashing lights and sounder (horns), input / output devices (I / O devices) and floor displays, passes.
- field devices 4 in particular smoke detectors, annunciators, alarm devices such as flashing lights and sounder (horns), input / output devices (I / O devices) and floor displays, passes.
- Multiplexer circuit 3 for example, individual branches of the network can be switched off, for example, branches with a short circuit due to a defective field device 4.
- a line driver is basically in a known manner to ensure and / or improve the quality of the respective transmission line (reporting line ) to be transmitted electrical signals.
- the amplifier circuit proposed here is provided as a line driver in a transmission line extending between a control center (not shown) and the field devices 4.
- the control center generates the data transmitted via the transmission line for the connected field devices 4, for example for their control, in particular for a control, which a respective field device 4 for outputting signals or for transmitting fire alarms and status messages via the respective line and thus in the Field device network causes the a measured value of the field device 4 or the like encode.
- These data are output from the control panel as setpoints to the voltage set and current set inputs.
- a constant output voltage ( DC output voltage) V DC is generated galvanically isolated from the input voltage Vi n .
- different topologies may be considered for the DC / DC converter, namely for example a so-called flyback topology (German: flyback converter) or a so-called forward topology (German: Flußwand ⁇ ler).
- the communication with the field devices 4 takes place according to a predetermined protocol, for example the FDnet protocol.
- a predetermined protocol for example the FDnet protocol.
- one charging phase each without communication and a communication phase follow each other.
- the communica ⁇ tion phase are transmitted over the network information for the field devices. 4
- the linear amplifier 2 By means of the linear amplifier 2 is carried out a modulation of the linear amplifier 2 on the input side supplied DC output voltage V DC of the DC / DC converter 1 and the linear amplifier 2 limits the current in the transmission line during a transmission cycle.
- the resulting modulated voltage (output voltage, V out) enables communication with the field devices 4, wherein the data is transferred bi-directionally during the Kom ⁇ munikationsphase. Also during the communication phase, the field devices 4 during the
- an upper limit for the current and during the low phase of the transmission cycle another limit can be set, as shown schematically simplified in the illustration in Figure 1 top right.
- the limits V set and I set for limiting the output output voltage V out and the current I out are 2 (voltage set and current set) predetermined by means of two gears A ⁇ of the linear amplifier and dynamically determined during operation by means of these inputs.
- FIG. 2 shows the line amplifier according to FIG. 1 with further details.
- the DC / DC converter 1 comprises a first switching stage 11 and a second switching stage 13.
- the two switching stages 11, 13 are in the way of an inductive coupling by means of a transformer 12, in particular a power transformer, on the one hand and by means of a
- the first switching circuit 11 includes a pulse width modulator 110 and a power stage 111.
- ⁇ approximately form a half-bridge acts as a power stage 111.
- Other embodiments of a power stage 111 are flat ⁇ if possible, for example, all known embodiments of flow transducers or flyback converters in different versions such as for example push-pull or full-bridge.
- the first power stage 111 to be amplified and transmis ⁇ ing usually battery-backed input signal Vi n is supplied.
- the second switching stage 13 includes a rectifier circuit 131 which transmitted through the transformer 12, ent ⁇ speaking rectifies the PWM signal chopped voltage generated by the pulse width modulator 110th
- a circuit with diodes acts as
- Rectifier circuit 131 (asynchronous rectification). A synchronous rectification is also possible, but not necessary.
- a filter 132 output filter
- the Output voltage V DC is supplied to the pulse width modulator 110 via the feedback branch 133 and the optocoupler 14 for the controlled stabilization of the output voltage V DC .
- the linear amplifier 2 modulates the DC output voltage V DC obtained from the DC / DC converter 1 in accordance with the values for the maximum voltage and the maximum current given via the inputs voltage set and current set.
- a first and a second D / A converter 21, 21a are provided.
- the output signals of both controllers 22, 22a are first supplied to a priority block 23. Because of the priority ⁇ blocks 23 of one of the output signals of the controller 22, 22a supplied at the output of the priority block 23 a pre-amplifier 24 is. By means of the priority block 23, a priority (priority) of the current limit value is given in the case of an output current (I 0ut ) exceeding the current limit value (I set )
- second controller 22a (second controller 22a). Until the current limit, the output voltage is maintained, the maximum current is reached, it is reduced and the maximum current held.
- a power stage 25 is controlled ⁇ , which generates the output voltage V out + as an actual output signal of the Lei ⁇ tion amplifier. This is output via the multiplexer circuit 3 to the field devices 4.
- FIG. 3 shows a schematically simplified overview of the amplifier circuit 2a proposed here and functioning as line driver (switched modem line driver).
- line driver switched modem line driver
- FIG. 4 shows a DC / DC converter 1 with two galvanically isolated from each other switching stages 11, 13 (FIG 4), which acts as a final stage in the amplifier circuit 2a.
- no linear amplifier 2 is connected downstream of the DC / DC converter 1.
- a modified DC / DC converter 1 is integrated into the amplifier circuit 2a and replaces the analog power stage 25.
- the modifi ⁇ ed DC / DC converter 1 generates - unlike the DC / DC converter 1 in FIG 1, FIG.
- FIG 2 No DC output voltage V DC , but rather voltage pulses and is therefore referred to below to distinguish from the embodiment of FIG 1, FIG 2 as a DC / pulse converter 1.
- the PWM signal is no longer using egg nes separate pulse width modulator 110 (FIG 2), but un generated ⁇ indirectly by means of the line driver 2a, with the new PWM signal of the desired output voltage corresponds, while in the situation according to FIG. 2 the PWM signal generated there by means of the separate pulse width modulator 110 corresponds to a fixed DC voltage.
- the PWM signal has to be transmitted over the realized by means of the DC / pulse converter 1 galvanic Tren ⁇ voltage between the input and output sides of the line amplifier.
- the DC / pulse converter 1 can be realized with any type of forward topology and synchronous rectification. A synchronous rectification is necessary for a return supply of electrical energy to the input voltage Vi n , because within the circuit no more energy consumption takes place, as is the case with known linear amplifiers.
- FIG. 4 shows the line driver 2 a from FIG. 3 and the DC / pulse converter 1 integrated therein with further details.
- the line driver 2 a according to FIG. 4 also comprises two D / A converters 21, 21 a for setting limiting values (voltage set, current set) for the output voltage and the output current.
- One of the output signals of the two regulators 22, 22a is supplied to a pulse width modulator 24, depending on a processing by a priority block 23 as in the embodiment according to FIG.
- a comparator acts as a pulse width modulator 24 and this generates a PWM signal based on a comparison of the forwarded from the priority block 23 error signal with a triangular signal.
- the triangular signal is generated by means of a triangular signal generator 28 on the basis of a clock signal generated by a clock generator 29.
- the PWM signal is forwarded according to the respective switching topology of the converter 1 and its first and second switching stages 11, 13.
- the switching topology in this context is the construction of the transformer 12 together with switches 27a, 27b, 131a, 131b included in the converter 1 Understood.
- a DC / pulse converter 1 can be realized with different drives and different transformer configurations. The number of switches 27a, 27b, 131a, 131b used and the way in which the PWM signal drives them
- Switch 27a, 27b, 131a, 131b is generated may vary and is mainly dependent on the output power.
- the first switching stage 11 includes a first power stage 111 and the second switching stage 13, a second power stage 131 and the forwarding of the PWM signal by means of a logic block 27.
- the Leis ⁇ , levels 111, 131 are as a half-bridge forward converter with synchronous rectification (half bridge forward converter).
- the PWM signal is generated by means of the block 24 by comparing the error signal (output of block 23) with the triangular signal originating from the triangular signal generator 28.
- the logic block 27 decrypts the PWM signal to generate the topology-specific switching patterns for the individual switches 27a, 27b, 131a and 131b. From the logic block 27, the drive signal for the switches 27a, 27b by means of two drivers 27c, 27d fed galvanically isolated into the converter 1 and that first in the first power stage 111.
- the input voltage according to the de ⁇ key from the PWM signal Switching pattern chops and reaches the primary winding of the transformer 12.
- the turns ratio of the transformer 12 is designed so that depending on the pulse / Pau- sen ratio of the PWM signal, the voltage at the output can be set to the desired value, which of the
- the control circuit 26, 21a, 22a with the second controller 22a reduces over the priority ⁇ block 23, the output voltage V out / when the output current threatens to exceed the set value to current set.
- the transformer 12 takes the electrically insulating ⁇ th transmission to the second output stage 131.
- the chopped signal by means of the two from the second Leis ⁇ processing stage 131 is comprised electronic switches 131a, 131b, in particular an electronic switch in the form of MOSFETs, rectified and assembled.
- the two electronic ⁇ rule switches 131a, 131b permit (as opposed to the DC / DC converter 1 in FIG 1, where this is not necessary) an Ener ⁇ gieübertragung Vi n to V out or alternatively from V out to V n, in the event that the capacity of the transmission line must be discharged during a negative edge.
- the rectified after the chopping (first power level 111) (second power level 131) signal is filtered by a filter 132 (output filter), in particular acting as a low-pass filter filter 132 in the form of an LC element, and at the output of the converter 1 and thus at the output the Lei ⁇ tung amplifier total out is obtained as the output voltage V a pulsed voltage for the electrical supply of the field devices 4.
- the diagram in Figure 5 shows the function of the logic block 27.
- the output of the pulse width modulator 24 is in the logic ⁇ block 27 to the reset input of an RS Member (the clocking generator 29 is connected to the setting input) and the output of the RS component is used as a PWM signal (PWM) by means of subsequent AND gates for generating drive signals SWA, SWB for driving the drivers 27c, 27d and the subsequent switch 27a, 27b of the first power stage 111 and for the generation of drive signals SRA, SRB for AnSteueru ng the electronic switch 131a, 131b of the second power stage 131 further processed.
- PWM PWM
- FIG 6 shows the pulse ⁇ chart for the functionality of the logic block 27, and FIG 7 is a graph showing signals of significant individual over time, where the signal shown in FIG 7 at the bottom of the rake represents the voltage across the primary winding (on the side of the first power stage 111) of the transformer 12.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP21196742.7A EP3958462A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP16198640.1A EP3322092A1 (de) | 2016-11-14 | 2016-11-14 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
PCT/EP2017/077453 WO2018086899A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
Related Child Applications (1)
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EP21196742.7A Division EP3958462A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
Publications (1)
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EP3539213A1 true EP3539213A1 (de) | 2019-09-18 |
Family
ID=57345708
Family Applications (3)
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EP16198640.1A Withdrawn EP3322092A1 (de) | 2016-11-14 | 2016-11-14 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
EP17798123.0A Ceased EP3539213A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
EP21196742.7A Withdrawn EP3958462A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
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EP16198640.1A Withdrawn EP3322092A1 (de) | 2016-11-14 | 2016-11-14 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
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EP21196742.7A Withdrawn EP3958462A1 (de) | 2016-11-14 | 2017-10-26 | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
Country Status (5)
Country | Link |
---|---|
US (1) | US11552603B2 (de) |
EP (3) | EP3322092A1 (de) |
CN (1) | CN109952704B (de) |
DE (1) | DE202017007564U1 (de) |
WO (1) | WO2018086899A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115378368A (zh) * | 2022-10-26 | 2022-11-22 | 成都广众科技有限公司 | 一种超宽带固态功率放大器 |
Families Citing this family (4)
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EP3322092A1 (de) | 2016-11-14 | 2018-05-16 | Siemens Schweiz AG | Verstärkerschaltung und verfahren zum betrieb einer verstärkerschaltung |
DE202019106469U1 (de) * | 2019-11-21 | 2021-02-24 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Schaltung mit einem Stromausgangstreiber zur Ausgabe eines Ausgangsstroms an eine Last |
EP3869689A1 (de) | 2020-02-21 | 2021-08-25 | Siemens Schweiz AG | Verstärkerschaltung und verfahren zu deren betrieb |
CN113067553B (zh) * | 2021-03-17 | 2022-09-27 | 中国科学院近代物理研究所 | 反馈型脉冲线性放大的电子冷却调制方法及装置 |
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SU1417104A1 (ru) * | 1986-11-26 | 1988-08-15 | Институт Электродинамики Ан Усср | Устройство дл централизованной компенсации реактивной мощности |
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JP4487649B2 (ja) * | 2004-06-14 | 2010-06-23 | 富士電機システムズ株式会社 | 昇降圧型dc−dcコンバータの制御装置 |
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-
2016
- 2016-11-14 EP EP16198640.1A patent/EP3322092A1/de not_active Withdrawn
-
2017
- 2017-10-26 US US16/349,453 patent/US11552603B2/en active Active
- 2017-10-26 EP EP17798123.0A patent/EP3539213A1/de not_active Ceased
- 2017-10-26 EP EP21196742.7A patent/EP3958462A1/de not_active Withdrawn
- 2017-10-26 WO PCT/EP2017/077453 patent/WO2018086899A1/de active Application Filing
- 2017-10-26 DE DE202017007564.4U patent/DE202017007564U1/de active Active
- 2017-10-26 CN CN201780070355.XA patent/CN109952704B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115378368A (zh) * | 2022-10-26 | 2022-11-22 | 成都广众科技有限公司 | 一种超宽带固态功率放大器 |
CN115378368B (zh) * | 2022-10-26 | 2023-03-21 | 成都广众科技有限公司 | 一种超宽带固态功率放大器 |
Also Published As
Publication number | Publication date |
---|---|
EP3958462A1 (de) | 2022-02-23 |
CN109952704A (zh) | 2019-06-28 |
DE202017007564U1 (de) | 2022-09-21 |
US20210013848A1 (en) | 2021-01-14 |
CN109952704B (zh) | 2023-07-21 |
WO2018086899A1 (de) | 2018-05-17 |
EP3322092A1 (de) | 2018-05-16 |
US11552603B2 (en) | 2023-01-10 |
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