Examples of 'linearizer' in a sentence
Meaning of "linearizer"
linearizer (noun): a device or software used to make a system or process linear, typically in the context of electronics or control systems
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- A device or process that linearizes.
How to use "linearizer" in a sentence
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linearizer
A linearizer can be implemented in any number of fashions.
Various types of predistortion linearizer have already been designed.
The linearizer is therefore preferably complemented by a power limiter.
The invention also provides a microwave amplifier including a linearizer as described hereinabove.
Predistortion linearizer for microwave power amplifiers.
Modifying the setting parameters of the predistortion linearizer leads to different errors.
The linearizer is carried out from orthogonal polynomial regression.
The invention is related to the implementation of the cuber in such predistortion linearizer.
Method for calibrating a linearizer and linearized electronic component.
The linearizer can be implemented in a variety of ways depending on the specific design criteria.
Modifying the setting parameters of the predistortion linearizer yields a different quadratic error.
A predistortion linearizer is a device that is placed upstream of the input of a power amplifier.
One method of linearization of transmitters is to use a Cartesian feedback loop based linearizer.
Three main types of linearizer devices are described in the state of the art.
Calibration device configured to determine predistortion parameters and to set the linearizer accordingly ;.
See also
Broadband predistortion linearizer with automatic temperature compensation for microwave amplifiers.
FIG . 2 is a diagrammatic representation of one embodiment of a predistortion linearizer of the invention.
A receive AGC linearizer is coupled to the integrator.
FIG . 4 shows a functional block diagram of an exemplary linearizer employing this concept.
The linearizer is preferably implemented at least in part in the MIC technology.
A digital implementation for the Hermite polynomial linearizer and the Volterra Canceller is then presented.
The linearizer being characterized in that,.
In the first case, the predistortion linearizer is placed upstream of the modulator.
Linearizer according to claim 1 wherein said power divider is a 3 dB hybrid coupler.
The IM level is measured and a linearizer is manually adjusted to minimize the IM product.
Linearizer according to claim 1 wherein said power combiner is a 3 dB hybrid coupler.
To circumvent this issue, a linearizer is often implemented before the amplifier.
Linearizer according to claim 1 wherein said power combiner is a ring coupler.
The theoretical AM / AM curve of the linearizer is not accurately physically achievable up to saturation.
Linearizer according to claim 1 wherein said power divider is a branch-line coupler.
FIG . 5 is a functional block diagram of an exemplary core linearizer employing this concept.
A predistortion linearizer for microwave amplifiers including,.
A receive digital to analog converter ( DAC ) is coupled to the receive AGC linearizer.
The pre-distortion linearizer is designed to compensate these changes.
The transmission chain comprises a calibration device 22 which controls the predistortion linearizer 20.
However, the linearizer introduces extra insertion loss and noise.
In a CDMA radiotelephone embodiment, a transmit AGC linearizer is coupled to the receive power integrator.
The linearizer concept described throughout can be extended to support multi-media applications.
FIG . 2 shows an example of a prior art linearizer.
In contrast, that linearizer is effective only over a relatively narrow frequency band.
A field programmable gate array ( FGPA ) of the linearizer.
The digital sweep linearizer 23 is a unique approach to the solution of this problem.
FIG . 2, schematically shows an example of an embodiment of a predistortion linearizer according to the invention ;.
The linearizer includes a core linearizer 402 to store a predetermined gain curve at a reference frequency and temperature.
FIG . 3 is a block diagram of a broadband predistorsion linearizer device in accordance with the invention ;.
A linearizer 14a linearizes a nonlinear output.
In the embodiment according to FIG . 4, a conventional RF linearizer may be used.
The linearizer may be set,.
An output from the thermistor 12 is also nonlinear, and therefore, is linearized by a linearizer 14b.
Linearizer according to claim 1, wherein said outlet combiner is a 0 ° Wilkinson coupler.
