Mixer stage and method for mixing signals of different frequencies
Granted: August 3, 2006
Application Number:
20060172718
A mixer stage is provided that mixes a differential input signal with a differential square-wave signal of an oscillator, having a first amplifier element and a second amplifier element, each of which amplifier elements has a first current connection, a second current connection, and a connection for the differential input signal, having four control elements and also a first output and a second output, wherein the four control elements are modulated in pairs by the differential…
Device for resetting an integrated circuit based on detection of a drop in the power supply voltage, and corresponding electronic circuit
Granted: August 3, 2006
Application Number:
20060170467
A device is provided for resetting an integrated circuit generating a reset signal after a power supply voltage drop to a very low level has been detected. Such a device includes at least one control means, the state of which (conducting or non-conducting) is controlled by a control voltage equal to the difference between the power supply voltage and a predetermined offset voltage, such that if the control voltage is less than or equal to a threshold, the control means authorizes…
Mixer stage and method for mixing two signals having different frequencies
Granted: July 27, 2006
Application Number:
20060164149
A mixer stage is provided that includes an oscillator, a first input, a second input, a first output, a second output, a set of four controllable amplifier elements, and a first current source. The mixer stage further includes at least one second current source in addition to the first current source, the first current source and the at least one second current source can each be switched on and off by an associated switching input that is connected to an associated oscillator output.…
Electronic circuit including at least one first differential pair with the transistors sharing one and the same source or one and the same drain
Granted: July 20, 2006
Application Number:
20060158269
The disclosure relates to an electronic circuit including at least one first differential pair including first and second transistors. The first and second transistors share one and the same single source or one and the same single drain.
Electronic circuit including at least one first and one second differential pair with the transistors sharing one and the same well
Granted: July 20, 2006
Application Number:
20060158270
The disclosure relates to an electronic circuit including at least one first and one second differential pair each including a plurality of transistors. All the transistors of said first and second differential pair are included in a single well.
Method for improving the electrical properties of active bipolar components
Granted: July 6, 2006
Application Number:
20060145299
A method for improving electrical characteristics of active bipolar components is provided. In conventional methods for improving the electrical characteristics of active bipolar components, the controllability of an input signal via an output signal is significantly affected, or the transient behaviour, in particular in the high-frequency range, is only slightly improved for a given blocking ability. According to the inventive method, triple-layer semiconductor assemblies are replaced…
Method and circuit arrangement for a power supply
Granted: July 6, 2006
Application Number:
20060145676
A power supply circuit arrangement is provided that includes a switching regulator for generating a first regulated voltage, a controlled load element that is impinged upon by the first regulated voltage, and a first control element for controlling the load element. A method for generating a supply voltage is also provided. The switching regulator is adapted to generate a second, unregulated voltage that serves directly or indirectly as a supply voltage for the first control element. The…
Signal amplification method and amplifier array
Granted: June 29, 2006
Application Number:
20060139090
An amplifier array includes a servo amplifier, which has a reference signal input, a return signal input, and an output signal connection, which supplies an output signal path, a reference signal generator, which supplies reference signals with different level heights to the reference signal input, and with a return, which supplies a signal, attenuated by a value of the feedback attenuation, from the output path as a return signal to the return signal input, whereby the servo amplifier…
Driver circuit, in particular for laser diodes, and method for providing a drive pulse sequence
Granted: June 29, 2006
Application Number:
20060139237
A driver circuit that provides a driver pulse sequence with different adjustable driver pulse heights in different time segments is provided. The driver circuit includes n pulse generators that supply pulse height contributions to a summing node, wherein the supplying can be controlled by switching elements individual to the pulse generators, and further includes a control unit that controls at least some of the switching elements as a function of adjustable parameters. The driver…
Method for locating a backscatter-based transponder
Granted: June 15, 2006
Application Number:
20060125605
A method and apparatus for locating a transponder is provided. A carrier signal is transmitted by a base station and a transponder transmits a locating signal that is generated through phase modulation and backscattering of the carrier signal sent by the base station when the transponder is within a transmission range of the base station, whereby the transponder is located on the basis of the locating signal.
Flat top optical filtering component
Granted: June 8, 2006
Application Number:
20060120663
The invention relates to wavelength-selective optical filters for allowing light of a narrow optical spectral band, centered around a wavelength (?c) to pass through them, while reflecting the wavelengths lying outside this band. According to the invention, the transfer function (T1,2(?)) of the component is defined by multiplying two transfer functions of spectrally offset Fabry-Perot filters.
Driver circuit with automatic offset compensation of an amplifier and method for offset compensation of an amplifier of a driver circuit
Granted: June 1, 2006
Application Number:
20060114036
A driver circuit is provided, which in an operating mode drives a component that only supplies output power when a driving input signal exceeds a first threshold value. The driver circuit includes a differential amplifier whose output signal controls the driving input signal, a reference signal generator that supplies a reference input of the differential amplifier, and an external feedback that applies a signal, which is dependent on the output signal, to a feedback input of the…
MOS transistor with reduced kink effect and method for the manufacture thereof
Granted: May 25, 2006
Application Number:
20060110876
A lateral MOS transistor is provided with a channel region, which has a channel width delimited by dielectric-filled trenches and which is covered with a gate dielectric, whose layer thickness varies over the channel width. An outer layer thickness, which the gate dielectric has over junctions of the channel region to the dielectric-filled trenches, is greater than an inner layer thickness, which the dielectric has over a central part of the channel region. Furthermore, a method for…
Semiconductor array and method for manufacturing a semiconductor array
Granted: May 11, 2006
Application Number:
20060097243
A method for manufacturing a semiconductor array, particularly a high-frequency bipolar transistor, is provided, the method includes process steps, so that a dielectric is produced on a monocrystalline, first semiconductor region of a first conductivity type, a silicide layer is deposited and patterned in such a way that the silicide layer is insulated from the first semiconductor region by the dielectric, and, to form a base region, a second semiconductor region of a second conductivity…
Semiconductor article and method for manufacturing the semiconductor article
Granted: May 11, 2006
Application Number:
20060099770
A method for manufacturing a semiconductor article and a semiconductor article is provided, wherein a base region of a first semiconductor material is applied, a silicide layer is applied above the base region, after the application of the silicide layer, an opening is created in the suicide layer by removing the silicide layer within the area of the opening, and after this, an emitter region is formed within the opening.
Semiconductor array and method for manufacturing a semiconductor array
Granted: May 4, 2006
Application Number:
20060094202
A process for manufacturing a semiconductor array, wherein a trench structure is introduced into a first monocrystalline semiconductor region, the trench structure is filled with an insulator, whereby a number of layers of the insulator together have a heat conductance greater than 20 W/mK, an amorphous silicon layer, which is crystallized out laterally over the insulator proceeding from the exposed surface, acting as the seed window, of the first semiconductor region, is deposited on…
Dual-supply electronic circuit with means for protection against breakdowns, and corresponding protection means
Granted: April 27, 2006
Application Number:
20060087788
An electronic circuit is provided, which includes a dual supply having a first supply for a first portion of said circuit and a second supply for a second portion of said circuit. The electronic circuit further includes a protection circuit for protecting at least one transistor of said first portion. The protection circuit includes a first protection transistor of which the drain is connected to a connection between said first portion and said second portion and the gate is connected to…
High frequency amplifier in an integrated circuit
Granted: March 9, 2006
Application Number:
20060049877
The invention concerns an integrated circuit amplifier designed to supply an amplified signal at a power of a few hundreds of milliwatts at frequencies from one to several Gigahertz. The final stage of the amplifier comprises two signal amplification input points E and E? receiving in differential mode a signal to be amplified, and four main transistors of the same type of conductivity, each having a base, an emitter and a collector, including a first transistor or output transistor…
Integrated circuit with coded security signal, security process, corresponding security device and signal coded using a dynamic key
Granted: March 9, 2006
Application Number:
20060050876
An integrated circuit is provided, which comprises at least one security module, controlled by at least one security signal, the circuit being made at least partially inoperable if the security module receives at least one of the said security signal(s) with a predetermined value. Such a circuit comprises means for encoding the security signal using a dynamic key, receiving a static security signal and outputting a dynamic security signal, and means to transmit the dynamic key or at…
Method and device for positioning an optical component between two optical fibres
Granted: March 9, 2006
Application Number:
20060051020
The invention pertains to a process and to a device for positioning an optical component between two optical fibers furnished at their end with lenses comprising: drilling a support in such a way as to fix therein a capillary tube whose inside diameter is designed to slip an optical fiber thereinto, fixing the capillary tube in the drilling of the support, making a blind cut and of the capillary tube, in such a way as to separate the capillary tube into two parts, a first plane face of…
