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US20090309649 |
ACTIVE BAND-PASS FILTER AND MAGNETIC STORAGE DEVICE
An active band-pass filter has a negative feedback circuit including a series-connection of a band-pass block, a second-order band-elimination block having a denominator polynomial equal to the...
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US20090224887 |
ADJUSTABLE CIRCUIT AND RFID READER DEVICE
The present invention relates to an adjustable circuit for filtering a transmission channel of an RFID signal and for suppressing a carrier signal in the reception path between an input gate and an...
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US20090102546 |
COMPOSITE BAND-PASS FILTER AND METHOD OF FILTERING QUADRATURE SIGNALS
A composite band-pass filter receives a quadrature input signal and passes an intermediate frequency signal while attenuating all other signals including an undesired image signal. The composite...
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US20090079482 |
METHOD AND SYSTEM FOR CONTROLLING A DELAY CIRCUIT FOR GENERATION OF SIGNALS UP TO EXTREMELY HIGH FREQUENCIES
Aspects of a method and system for generation of signals up to extremely high frequencies using a delay circuit are provided. In this regard, a variable delay circuit may be adjusted such that an...
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US20080297239 |
OPTIMIZED GAIN FILTERING TECHNIQUE WITH NOISE SHAPING
A noise shaping and voltage gain filtering third order electrical circuit and method comprises at least one pair of input resistors; a Frequency Dependent Negative Resistance (FDNR) filter...
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US20080297972 |
Capacitor structure with variable capacitance, and use of said capacitor structure
A capacitor structure with variable capacitance, has at least one capacitor. More specifically, the structure has a capacitor electrode, a capacitor counter-electrode arranged opposite said...
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US20080268791 |
Systems And Methods For Connecting Life Experiences And Shopping Experiences
Systems and methods of connecting life experiences to a shopping experience are disclosed. An exemplary embodiment of a method includes receiving user-input identifying at least one position in a...
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US20080252366 |
Active Lc Band Pass Filter
An active LC band pass filter 10 includes a single LC pair and a plurality of active amplifiers providing a number of separate resonance circuits. The active amplifiers compensate ohmic losses,...
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US20080246538 |
Negative gm circuit, a filter and low noise amplifier including such a filter
A circuit for synthesising a negative resistance, comprising first and second active devices, the first device having a control terminal connected to a first node, and the second device having a...
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US20080112712 |
BANDPASS FILTER CIRCUIT, BAND-ELIMINATION FILTER CIRCUIT, INFRARED SIGNAL PROCESSING CIRCUIT
A bandpass filter circuit 10 of the present invention includes: transconductance amplifier circuits 1 to 3; a common-mode feedback circuit 4 which outputs a first control signal to the...
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US20080094142 |
Power amplifier
A power amplifier amplifies an input signal having a fundamental frequency of which band width ranges between a first fundamental frequency F 1 and a second fundamental frequency F 2 . The power...
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US20080094134 |
Semiconductor integrated circuit device
A semiconductor integrated circuit device provided with an input terminal supplied with a reference frequency signal from outside of the device, a bandpass filter circuit coupled to the input...
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US20080018391 |
Discrete Resonator Made of Dielectric Material
A discrete resonator is -provided, including a dielectric base having a dielectric constant. A metal contact formed on a major surface of the dielectric base has a predetermined area and is...
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US20080012548 |
MEASURING DEVICE OF AN HF PLASMA SYSTEM
A measuring device of an HF plasma system includes an uncoupling device for uncoupling one or a plurality of signals related to a power and at least one filter arrangement to which such a signal is...
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