Integrated Circuit Packages Incorporating an Inductor and Methods
Granted: April 29, 2010
Application Number:
20100102416
Integrated circuit packages incorporating an inductor and methods for their fabrication. The lead frame used in packaging the integrated circuit includes a first area for receiving the integrated circuit, and a second area having a plurality of connections from one side to the other side of the lead frame, thereby forming coil segments. After mounting the integrated circuit and wire bonding its connections, the lead frame is placed on a ferrite plate, the assembly is encapsulated in…
SELF CONFIGURING OUTPUT STAGES OF PRECISION AMPLIFIERS
Granted: April 15, 2010
Application Number:
20100090766
Self configuring output stages of precision amplifiers that remain linear when operating into a load that may have a ground reference below the amplifier ground reference, that maintain full amplifier gain while approaching zero output, and that can provide a zero output even when operating into a load that may have a ground reference below the amplifier ground reference, that has a self configuring output stage operable with either a mid-rail or ground reference below amplifier ground,…
System and Method for Video Transmission Line Fault Detection
Granted: March 25, 2010
Application Number:
20100073485
A video circuit including a video amplifier adapted to generate an amplified output video signal from an input video signal; a short detection circuit adapted to generate a first signal indicative of whether there is a short present at an output of the video amplifier; and a load detection circuit adapted to generate a second signal indicative of whether there is a load coupled to the output of the video amplifier. The video circuit may further include an input signal detection circuit…
BAW Resonator Filter Bandwidth and Out-of-Band Frequency Rejection
Granted: March 25, 2010
Application Number:
20100073106
Embodiments of the present invention provide systems, devices and methods for improving both the bandwidth of a BAW resonator bandpass filter and the suppression of out-of-band frequencies above the passband. In various embodiments of the invention, blocker inductors are located in series between the filter input and the filter output to realize both bandwidth enhancement and improved out-of-band frequency rejection. For example, a first blocker inductor may be located at the input and a…
High-Electrical-Current Wafer Level Packaging, High-Electrical-Current WLP Electronic Devices, and Methods of Manufacture Thereof
Granted: March 25, 2010
Application Number:
20100072615
The present invention has various aspects relating to the maximization of current carrying capacity of wafer level packaged chip scale solder pad mounted integrated circuits. In one aspect, the solder pad areas are maximized by using rectangular solder pads spaced as close together as reliable mounting to a circuit board will allow. In another aspect, multiple contact pads may be used for increasing the current capacity without using contact pads of different areas. In still another…
Battery Assisted RFID Command Set and Interference Control
Granted: March 11, 2010
Application Number:
20100060425
Specialized battery assisted command set design methods are disclosed that provide for interference rejection using highly sensitive but relatively broadband RFID tags. The command set design also supports RFID system RF power control for further interference control. The command set design also allows for convenient expansion to active transmitters and receivers in tags operating within the same system. Embodiments of the present invention provide RFID systems having battery-assisted,…
BLIND CHANNEL QUALITY ESTIMATOR
Granted: February 18, 2010
Application Number:
20100040091
An embodiment is a method and apparatus to perform symbol synchronization. A sign element obtains signs of samples in a sample vector. A correlation estimator computes a correlation of the sample vector. A synchronization detector detects symbol synchronization. Another embodiment is a method and apparatus to perform frame synchronization. A Fast Fourier Transform (FFT) processing unit computes a current FFT vector and an accumulated previous FFT vector. The current FFT vector and the…
Planarization Methods
Granted: January 14, 2010
Application Number:
20100005654
Planarization methods for maintaining planar surfaces in the fabrication of such devices as BAW devices and capacitors on a planar or planarized substrate are described. In accordance with the method, a metal layer is deposited and patterned, and an oxide layer is deposited using a high density plasma chemical vapor deposition (HDP CVD) process to a thickness equal to the thickness of the metal layer. The HDP CVD process provides an oxide layer on the patterned metal tapering upward from…
SOFT REPETITION CODE COMBINER USING CHANNEL STATE INFORMATION
Granted: January 7, 2010
Application Number:
20100002811
An embodiment is a method and apparatus to decode a signal using channel information. A channel state estimator generates a tone value representing channel information. A quantizer quantizes the tone value. A combiner combines de-interleaved symbols weighed by the quantized tone value. A comparator compares the combined de-interleaved symbols with a threshold to generate a decoding decision. Another embodiment is a method and apparatus to decode a signal using averaging. A channel…
BLOCK INTERLEAVING SCHEME WITH CONFIGURABLE SIZE TO ACHIEVE TIME AND FREQUENCY DIVERSITY
Granted: December 10, 2009
Application Number:
20090307541
An embodiment is a method and apparatus to interleave data. A demultiplexer demultiplexes an input packet having N bits into L sub-packets on L branches. M flipping blocks flip M of the L sub-packets. M is smaller than L. L sub-interleavers interleave the (L-M) sub-packets and the M flipped sub-packets. A concatenator concatenates the interleaved sub-packets to form an output packet.
SYSTEM AND METHOD FOR APPLYING MULTI-TONE OFDM BASED COMMUNICATIONS WITHIN A PRESCRIBED FREQUENCY RANGE
Granted: December 10, 2009
Application Number:
20090307540
According to one embodiment of the invention, an integrated circuit comprises an encoding module, a modulation module and a spectral shaped module. The encoding module includes an interleaver that adapted to operate in a plurality of modes including a first mode and a second mode. The interleaver performs repetitive encoding when placed in the second mode. The modulation module is adapted to compensate for attenuations that are to be realized during propagation of a transmitted signal…
JAMMER CANCELLER FOR POWER-LINE COMMUNICATION
Granted: December 10, 2009
Application Number:
20090304133
An embodiment is a method and apparatus to cancel signal interference. A jammer remover removes an interfering signal from an input signal to generate a jammer-canceled signal using an adaptive filtering procedure. A jammer detector detects interference caused by the interfering signal.
COMBINED DUAL FEED-FORWARD AND FEEDBACK ANALOG AND DIGITAL AUTOMATIC GAIN CONTROL FOR BROADBAND COMMUNICATION
Granted: December 10, 2009
Application Number:
20090304130
An embodiment is a method and apparatus to process an input signal. An analog automatic gain control (AGC) processor controls an analog adjustable gain of the input signal using a feedback mechanism. The analog AGC processor generates a first signal. A processing circuit transforms the first signal into a second signal. A digital AGC processor controls a digital adjustable gain of the second signal using a feed-forward mechanism.
BLIND CHANNEL QUALITY ESTIMATOR
Granted: December 10, 2009
Application Number:
20090304061
An embodiment is a method and apparatus to estimate channel quality. An absolute processor computes absolute real and imaginary values of real and imaginary parts, respectively, of output of a demodulator. A phase count unit generates first and second phase counts representing deviations from zero phase noise using the absolute real and imaginary values. An amplitude count unit generates first and second amplitude counts representing attenuation of a received signal using the absolute…
ROBUST NARROWBAND SYMBOL AND FRAME SYNCHRONIZER FOR POWER-LINE COMMUNICATION
Granted: December 10, 2009
Application Number:
20090303869
An embodiment is a method and apparatus to perform symbol synchronization. A correlation estimator computes a correlation of a sample vector representative of a narrowband signal. A synchronization detector detects symbol synchronization. Another embodiment is a method and apparatus to perform frame synchronization. A Fast Fourier Transform (FFT) processing unit computes a current FFT vector and an accumulated previous FFT vector. The current FFT vector and the accumulated previous FFT…
Bulk Acoustic Resonators with Multi-Layer Electrodes
Granted: December 10, 2009
Application Number:
20090302973
Bulk acoustic resonators with multi-layer electrodes for Bulk Acoustic Wave (BAW) resonator devices. Various electrode combinations are disclosed. The invention provides a better compromise at resonant frequencies from 1800 MHz to 4 GHz in terms of keff2 and resistance than state of the art solutions using either Mo, or a bilayer of Al and W.
Bonded Wafer Package Module
Granted: November 26, 2009
Application Number:
20090289722
Bonded wafer packages having first and second wafers bonded together forming a matrix of sealed devices, at least one of the wafers having a plurality of passive devices formed thereon, including at least one BAW resonator within each of the sealed devices, the first wafer having conductor filled through-holes forming electrical connections between the passive devices and connections assessable from outside the sealed devices, the bonded wafers being diced to form individual sealed…
Optimal Acoustic Impedance Materials for Polished Substrate Coating to Suppress Passband Ripple in BAW Resonators and Filters
Granted: June 4, 2009
Application Number:
20090142480
Methods of reducing phase and amplitude ripples in a BAW resonator frequency response by providing a substrate, fabricating a Bragg mirror having alternate layers of a high acoustic material and a low acoustic material on a first surface of the substrate, fabricating a BAW on the Bragg mirror, and coating a second side of the substrate opposite the first side with a lossy material having an acoustic impedance in the range of 0.01x to 1.0x the acoustic impedance of the layers of high…
Adaptive Current Limiting for Any Power Source with Output Equivalent Series Resistance
Granted: April 9, 2009
Application Number:
20090092387
Adaptive current limiting for any power source to limit power drain of one load on the power source to maintain a minimum power source voltage for proper operation of other loads on the power source. For battery applications, such as for flash systems, the invention allows the maximum output current of a boost converter to be utilized without having to calculate the system equivalent series resistance first. The invention also adjusts the current load up or down during a high load event…
Methods of Contacting the Top Layer of a BAW Resonator
Granted: March 26, 2009
Application Number:
20090079302
Methods of contacting the top layer in a BAW device by depositing a metal layer over the BAW device, patterning the metal layer so that the metal layer extends over and contacts the top electrode layer of the BAW device only at a plurality of spaced apart locations adjacent the periphery of the active resonator area, and has a common region laterally displaced from the top and bottom electrodes and electrically interconnecting the parts of the metal layer extending over and contacting…
