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logarithmic amplifier

    0.03 sec.
logarithmic amplifier [′läg·ə‚rith·mik ′am·plə‚fī·ər]
(electronics)
An amplifier whose output signal is a logarithmic function of the input signal.


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The RF function blocks include direct digital synthesizers (DDS), phase-locked loop synthesizers (PLLs), TruPwr[TM] power detectors and logarithmic amplifiers, X-AMP[R] variable gain amplifiers (VGAs), RF amplifiers such as PAs and LNAs, mixers, and direct conversion modulator and demodulator products.
The logarithmic amplifier integrated circuit (IC) further enables a large brightness range (from 3 lx to more than 30,000 lx) to be detected with great accuracy and without the need for various series resistors (to allow sensitivity to be adjusted externally), creating a smaller, more accurate and more cost-effective design.
 
 
 
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