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Log And Anti Log Amplifiers - Tutorialspoint
https://www.tutorialspoint.com/linear_integrated_circuits_applications/linear_integrated_circuits_applications_log_and_anti_log_amplifiers.htm#:~:text=A%20logarithmic%20amplifier%2C%20or%20a%20log%20amplifier%2C%20is,about%20the%20op-amp%20based%20logarithmic%20amplifier%20in%20detail.
Logarithmic Amplifiers Explained | Analog Devices
https://www.analog.com/en/analog-dialogue/articles/logarithmic-amplifiers-explained.html
The log amp gives an indication of the instant-by-instant low-frequency changes in the envelope, or amplitude, of the signal in the log domain in the same way that …
Logarithmic Amplifier - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/logarithmic-amplifier
Logarithmic amplifiers utilize the logarithmic relationship between V BE and collector current in transistors. This characteristic is very temperature sensitive and requires special components and layout considerations to achieve good results.
AN-311Theory and Applications of Logarithmic …
https://www.ti.com/lit/an/snoa575b/snoa575b.pdf
log ratio amplifier. This configuration dispenses with the fixed current reference normally employed, and substitutes the output of the reference channel photomultiplier. In this fashion, the log amplifier's output represents the ratio between the densities of the sample and reference channels over a wide dynamic range.
Logarithmic Amplifiers | Products | Special Function ...
https://www.ti.com/amplifier-circuit/special-function/logarithmic/products.html
TI helps you find the right logarithmic amplifier products for your system design using a wide variety of commonly used parameters.
Logarithmic Amplifiers | DigiKey
https://www.digikey.com/en/articles/use-log-amps-to-enhance-sensitivity-logarithmic-amplifiers
A log amp can handle signals with a dynamic range from 50 up to 100 dB or more, and at frequencies into the hundreds of megahertz (MHz) and even gigahertz (GHz). Since the output is the log of the input value, that output can span many decades of input range amplitude.
Linear/Logarithmic Volume Control - Cambridge Audio Support
https://techsupport.cambridgeaudio.com/hc/en-us/articles/360000105437-Amplifiers-Linear-Logarithmic-Volume-Control
Amplifiers - Linear/Logarithmic Volume Control. Human perception of loudness is logarithmic, not linear, and as such, some volume controls cater to the human ear using logarithmic potentiometers. In linear potentiometers, the amount of resistance changes in a direct pattern. If you turn or slide it halfway, its resistance will be halfway between its minimum and maximum …
MT-077: Log Amp Basics - Analog Devices
https://www.analog.com/media/en/training-seminars/tutorials/MT-077.pdf
of the log amp because the graph crosses the horizontal axis at this value of VIN. IDEAL ACTUAL. SLOPE = VY 2VY VY IDEAL ACTUAL VYLOG (VIN/VX) +-VIN=VX VIN=10VX VIN=100VX INPUT ON LOG SCALE VOUT = VY log10 0 VIN VX. Figure 2: Log Amp Transfer Function. The slope of the line is proportional to VY. When setting scales, logarithms to the base 10 are
Log And Anti Log Amplifiers - Tutorialspoint
https://www.tutorialspoint.com/linear_integrated_circuits_applications/linear_integrated_circuits_applications_log_and_anti_log_amplifiers.htm
A logarithmic amplifier, or a log amplifier, is an electronic circuit that produces an output that is proportional to the logarithm of the applied input. This section discusses about the op-amp based logarithmic amplifier in detail.
Why should I use a logarithmic pot for audio applications?
https://electronics.stackexchange.com/questions/101191/why-should-i-use-a-logarithmic-pot-for-audio-applications
Instead, logarithmic pots increase their resistance on a curve. At the halfway point volume will still be moderate, but it will increase sharply as you keep turning up the volume. This corresponds to how the human ear hears. Well, I'm not satisfied. What does it mean that the human ear isn't linear?
DESIGN OF A 120dB PSEUDO-LOGARITHMIC AMPLIFIER …
https://ece.umaine.edu/wp-content/uploads/sites/203/2012/05/ECE547_PseudoLogAmp.pdf
amplification and focuses on the design, simulation, and layout of a 120dB pseudo-logarithmic amplifier. The overall design consists of two majors parts—a cascade of limiting current amplifiers and a difference amplifier. The pseudo-logarithmic amplifier accepts a single-ended
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