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| Number | Title | Issue Date |
| 8350746 | Anti jamming system Anti jamming system comprising a tunable negative jamming signal feedback loop for feedback suppression of a received jamming signal, including a receiver receiving an jamming signal followed by a jamming signal replica generator for generating an replica jamming si... | 01/08/2013 |
| 8350745 | Anti jamming system Anti jamming system comprising a tunable negative jamming signal feedback loop for feedback suppression of a received jamming signal, including an receiver receiving an jamming signal followed by a replica jamming signal generator for generating an replica jamming s... | 01/08/2013 |
| 7729678 | Controllable power operational transconductance amplifier Controllable operational transconductance power amplifier (controllable power OTA) including an input stage receiving a differential input signal (Ovin) and deriving therefrom first (i1) and second (i2) low power current signals being coupled to first ... | 06/01/2010 |
| 7535289 | Integrated RC filter An integrated RC filter comprises a first resistor being coupled to a first capacitor through a first node and a signal input of said integrated RC filter is coupled through one of the first resistor and the first capacitor to the first node. To allow for an increas... | 05/19/2009 |
| 7506016 | Multiplier device Multiplier device comprising first to nth multipliers M1 to Mn for multiplying a carrier modulated information signal with first to nth mutually phase shifted and identical, substantially square wave mixing signals MS... | 03/17/2009 |
| 7432767 | Tunable low noise amplifier Tunable low noise amplifier using an RF current feed back loop (L) coupled between input (IM) and output (OM) means and including first (CAI) and second (CA2) serially coupled first order lowpass RF current amplifiers as well RF current inverter means (INV). ... | 10/07/2008 |
| 7429889 | Control system for programmable filters Control system for programmable filters, master-slave calibration system and fully programmable high precision filter for use in such control system, such filters being provided with a filter input and a filter output including a first, first order low pass filter s... | 09/30/2008 |
| 7242730 | Mirror suppression circuit and receiver using such circuit A mirror suppression circuit includes a first quadrature signal path coupled between quadrature signal input and output terminals and an error correction circuit for correction of amplitude and phase errors in a carrier modulated quadrature signal. To obtain a suppr... | 07/10/2007 |
| 7227912 | Receiver with mirror frequency suppression Receiver comprising an RF front end circuit for a selection and conversion of an RF input signal into a pair of quadrature IF (intermediate frequency) signals being supplied through in-phase and phase quadrature signal paths to signal inputs of quadrature phase dete... | 06/05/2007 |
| 7155186 | AM receiver with controllable RF input circuit AM receiver comprising an RF input circuit for receiving an RF AM signal, demodulation means providing an audio signal carried by said RF AM signal as well as automatic gain control means for stabilising an RF carrier dependent DC level at the output of said demodul... | 12/26/2006 |
| 7133527 | Stereodecoder An arrangement for decoding a stereo multiplex signal, comprising a baseband sum signal (L+R), a difference signal (L−R) which is amplitude-modulated on a suppressed sub-carrier and a pilot signal having a frequency located between the frequency bands of said sum ... | 11/07/2006 |
| 6985707 | Receiver with AGC controlled resonance amplifier Receiver comprising a resonance amplifier for selectively amplifying a modulated carrier signal being coupled to signal demodulator for narrow band demodulation. The resonance amplifier comprising a cascade of first and second transconductance amplifiers (TC1... | 01/10/2006 |
| 6963252 | Controllable oscillator with amplitude stabilization Controllable oscillator circuit comprising a regenerative loop which incorporates a cascade circuit of first and second sections each having a controllable gain and a phase shift which is 90° at the oscillation frequency, the first and second sections comprising fi... | 11/08/2005 |
| 6798218 | Circuit for measuring absolute spread in capacitors implemented in planary technology A circuit for measuring absolute spread in capacitors implemented in planary technology. A charge pump supplying a charge current to an internal capacitor (Cint) is used, the voltage across the internal capacitor (Cint) being coupled through a comparator for compari... | 09/28/2004 |
| 6788922 | Radio FM receiver having a frequency 2-divider and a frequency 3-divider for alternatively dividing a VCO signal for down-converting a received radio signal A radio FM receiver is provided with a voltage-controlled oscillator which can be connected via a frequency 2-divider to a quadrature combination circuit for transforming down the frequencies of received radio signals and for supplying quadrature output signals. The... | 09/07/2004 |
| 6784836 | Method and system for forming an antenna pattern In an electronic circuit for forming an antenna pattern, the antenna signals having the required phase shift are generated by means of two phase-locked loops which have a common reference signal. A control current, which is added at the output node of the charge pum... | 08/31/2004 |
| 6725023 | Radio FM receiver A radio FM receiver is provided with a receiver portion with quadrature channels for converting received radio frequency signals into center frequency quadrature signals, a center frequency filter circuit connected to the former for suppressing undesirable image fre... | 04/20/2004 |
| 6509802 | PLL-tuning system having a phase detector with a sampling frequency equal to a reference frequency A time discrete PLL-tuning system includes a phase detector and a voltage-controlled oscillator (VCO) for tuning the frequency (fVCO) thereof to a frequency equal to N/M times a reference frequency (fREF), with M being a factor indic... | 01/21/2003 |
