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Power amplifier load controller and method for controlling a power
The present invention addresses the need for an apparatus and method for controlling the load of a PA, to improve PA efficiency in linear transmitters with...
Method and apparatus for efficient signal amplification
An amplifier circuit (100) includes a power amplifier (124) that has a modulated power supply input (125). The modulated power supply input (125) is modulated...
A voltage comparator (10) includes a differential amplifier (12), a switched latch (32), and a switch (26). The voltage comparator (10) receives a first input...
Variable on demand energy source
A cell current limiting circuit includes a current-limiting device that electrically couples a cell to a battery terminal. A bypass current path is in parallel...
Method for fabricating trench isolation and trench substrate contact
A method of manufacturing semiconductor components includes etching two trenches (105, 106, 805, 806, 1205, 1206) into a surface of a substrate (101, 801, 1201),...
Method for determining a need to retransmit a message in a communication
The present invention provides a method for determining a need to retransmit a message that includes a user frame from a base station (104) in a communication...
Apparatus using a multiple instruction register logarithm based processor
In accordance with a first embodiment, a processing apparatus is provided. The processing apparatus (10) includes a register (12) including a first and a second...
Communication unit and method for performing neighbor site measurements in
a communication system
The present invention provides a method and apparatus for performing neighbor site measurements that address the need to reduce data transfer delays while...
Switchable antenna for radio communication devices
A switchable antenna (10) with a base antenna assembly (11), a secondary antenna assembly (12) and a switch. Base and secondary antenna assemblies (11,12) have...
Logarithmic gain control circuit and method
An improved logarithmic amplifier (100) and method in which a signal at an output (106) is logarithmic with respect to the voltage supplied at a gain control...
Pipelined programmable digital pulse delay
A pipelined programmable digital pulse delay system (10) that is capable of processing multiple input pulses simultaneously, each with a unique programmed delay...
Method of charging a battery in a mobile charger
A method of charging a battery, and particularly a nickel battery, in a mobile charger, such as a vehicular charger, which is subjected to elevated temperatures....
Semiconductor structure having a crystalline alkaline earth metal oxide
interface with silicon
A semiconductor structure comprises a silicon substrate (10), one or more layers of single crystal oxides (26), and an interface (14) between the silicon...
Modeling method of MOSFET
The objective is to accurately determine the effective value of channel width in accordance with the design value of channel width when the channel width is...
Dual band receiver
A receiver (100) provides dual band features by providing two signal paths (106, 108) off an antenna (102), one for UHF operation (106) and one for VHF operation...
Sensor controlled user interface for portable communication device
A portable communication device (100) that has a processing section (208) to control operation of the portable communication device (100) in response to an input...
Method and system for generating a complex pseudonoise sequence for
processing a code division multiple access...
In a wireless communication system, a chip time is selected in a complex pseudonoise (PN) sequence generator. For a next chip time following the selected chip...
Method and apparatus for implementing PN masks for a truncated M-sequence
Method and apparatus to provide a pseudo random noise (PN) sequence having a particular code phase offset for use in a radio in a Code Division Multiple Access...
An adapter for interfacing a battery for a portable computer to an electronic device of a type that is not normally compatible with the battery for the portable...
Passive flip radiator for antenna enhancement
An antenna system includes a main antenna (16) and a parasitic element (18). The parasitic element (18) is rotatably coupled (24) to the main antenna (16), the...
Radio communication system for communicating scheduled messages and method
A communication system includes a radio communication system (102) for communicating scheduled messages to SCRs (Selective Call Radios) (122). The radio...
Radio frequency identification tag circuit chip having printed
A radio frequency identification tag circuit chip (10) includes a circuit chip (11) having a surface (18) and at least one interconnection pad (12, 14) formed in...
Multiple use of a single transistor for linear regulation charge control
and protection of a rechargeable battery
A battery charging and protection circuit that features a single transistor to control current flow in two directions. The circuit comprises first and second...
Device having battery-save circuitry and method of operation
A device having battery-save circuitry includes a power-on reset circuit (603), an OR-gate (604) coupled to the power-on reset circuit (603), a current-boost...
Partial discharge method for operating a field emission display
A partial discharge method for operating a field emission display (100) having an anode (125), a spacer (106), and a plurality of electron emitters (116)...
Transparent compound and applications for its use
A mold compound made from a polymer resin and an isorefringent, transparent filler is used to form optical electronic components (10, 20, 30). The mold compound...
Nonvolatile memory circuit and structure
A nonvolatile memory includes five transistors. The memory has an MOS transistor in series with two pairs of transistors, where each pair includes a floating...
Process for forming a semiconductor device and a process for operating an
A process for forming a semiconductor device includes placing a substrate (104) into an apparatus (300), creating a plasma, and processing the substrate (104)....
Apparatus and method for encrypted instructions
Computer instructions are stored in a main memory in encrypted or coded form, e.g., to conserve memory space. The coded instructions are decoded prior to...
Access control system and method therefor
A TCS (200) and procedure (400) for identifying an unidentified class as a class of a group of classes includes a new tree-structured classifier (208) and...
Impedance matching for a dual band power amplifier
An exciter matching circuit (125), interstage matching circuit (134), and harmonic filter matching circuit (140) match impedances at the input to a two-stage...
Demodulator having an infinite-duration impulse response filter with
dynamic coeffiecient scaling
By time-sharing demodulator hardware between a primary data path (165), a power control data path (161), and a received signal strength indicator (RSSI) path...
Transceiver with miniature virtual image display
A portable communications transceiver having a first hollow body, a second hollow body, and a virtual image display that includes a semiconductor array providing...
Antenna indexing and retaining mechanism
An antenna indexing and retaining mechanism (100) for coupling an antenna stem (117) to a transceiver (701) is provided. The mechanism (100) includes a plurality...
Linearization using parallel cancellation in linear power amplifier
A predistortion linear power amplifier and method employs parallel predistortion cancellation. In one embodiment the predistortion linear power amplifier (200)...
Phase locked loop
A hybrid phase locked loop employs both analog and digital circuitry. A digital to analog converter (DAC) provides a current output signal in conjunction with a...
Battery conditioning scheme
A portable radio (306) provides a selectable and/or automatic battery conditioning mode of operation (400). Battery conditioning is achieved by discharge state...
Portable electronic device and method
A portable electronic device such as a mobile telephone is powered by a battery and is arranged to operate in an off-mode, a standby mode and an on-mode of...
Moisture enhanced ball grid array package
An integrated circuit package (10) comprises a semiconductor die (14), and a substrate (16) for receiving the semiconductor die. The substrate has an aperture(s)...
Method for fabricating a semiconductor structure having a crystalline
alkaline earth metal oxide interface with...
A method for fabricating a semiconductor structure comprises the steps of providing a silicon substrate (10) having a surface (12); forming on the surface of the...
Automatic defect detection and generation of control code for subsequent
defect repair on an assembly line
A method for manufacturing an electronic device includes placing a plurality of components on a printed wiring board (204), detecting a defect in a component...
Method and apparatus for performing access censorship in a data processing
Method and apparatus for performing access censorship in a data processing system (10). In one embodiment, a digital data processing system (10) has a sub-system...
Method and apparatus for transferring data on a split bus in a data
A bus protocol for a split bus (50, 60) where each device (10, 20, 30) coupled to the bus has an age-based queue (12, 24, 34) of pending transactions. Queues are...
Manufacturing method for assembling products by generating and scheduling
dynamically assembly instructions
A manufacturing method is provided for assembling a number of products by generating and scheduling dynamically a number of assembly instructions from modeling...
Voice recognition button for mobile telephones
A voice recognition system having an enhanced button that allows a driver to reduce his risk of being involved in an accident while operating a vehicle and using...
Apparatus for performing non-linear signal classification in a
A non-linear signal classifier (26) includes a polynomial expansion unit for expanding signal feature vectors determined by a feature extraction unit (25) for a...
Scalar cost function based predistortion linearizing device, method, phone
A device (400), method (1200), phone (400) and basestation (400) for providing scalar measurement-based predistortion for linearization in a radio frequency RF...