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Solutions Search - RMS-DC Conversion

Audio Spectrum Analyzer with the Linduino

Noe Quintero - Application Engineer Apr 12th 2016
There are several methods for implementing a spectrum analyzer. I’ve been working with SAR ADC products for some time, and using the Fast Fourier Transform (FFT) for spectral analysis on a daily basis. Another common method for implementing a spectrum analyzer is called the swept-tuned receiver. This method involves mixing ...

Blog Post Linduino LTspice 


Sub-Microamp RMS Current Measurement for Improved 32kHz Quartz Crystal Performance - LT1028, LT1222, LTC1563-2, LTC1968, LT1077

Jim Williams - Applications Guru Jun 15th 2008
Quartz crystal RMS operating current is critical to long-term stability, temperature coefficient and reliability. Accurate determination of RMS crystal current, especially in micropower types, is complicated by the necessity to minimize introduced parasitics, particulary capacitance, which corrupt crystal operation. This video ...



DC427B-C - LTC1968CMS8 | RMS to DC Converter

Jul 28th 2004
DC427B-C - Demo Board for:LTC1968 - Precision Wide Bandwidth, RMS-to-DC Converter ...

Demo Board 


DC427B-B - LTC1967CMS8 | RMS to DC Converter

Jul 28th 2004
DC427B-B - Demo Board for:LTC1967 - Precision Extended Bandwidth, RMS-to-DC Converter ...

Demo Board 


DC427B-A - LTC1966CMS8 | RMS to DC Converter

Nov 29th 2001
DC427B-A - Demo Board for:LTC1966 - Precision Micropower, Delta Sigma RMS-to-DC Converter ...

Demo Board 


LTC1966 AC Current Measurement

Nov 29th 2001
The LTC1966 is a true RMS-to-DC converter that utilizes an innovative patented DS computational technique. The internal delta-sigma circuitry of the LTC1966 makes it simpler to use, more accurate, lower power and dramatically more flexible than conventional log-antilog RMS-to-DC converters. ...

Circuit LTspice 


Audio Amplitude Compressor

Jan 19th 2001
A True RMS converter (LTC1967) monitors the output signal amplitude and provides a proportional dc feedback voltage. This dc voltage controls an LT1256 fader circuit which linearly selects the amount of signal from two amplifier stages. One amplifier attenuates the input signal by 4 while the other amplifier gains up the signal ...



Autoranging True RMS-to-DC Converter

Sep 10th 1999
A programmable gain amplifier (LTC6910-2) and a window comparator (LTC6700-1) and some control logic creates a wide dynamic range RMS to DC converter. The comparator monitors the DC output and signals whether to increment or decrement the gain to maintain a predetermined output voltage range. Knowing the output DC voltage and ...



LVDT Signal Conditioning

Aug 24th 1998
An LVDT transformer is exited with a fixed frequency sine wave. The distance of displacement of the movable core will change the amplitude of the transformer output which is is converted to a dc voltage by the LT1967 True RMS converter. The direction of the core movement is indicated by the phase shift of the sine wave and is ...



Isolated Power Line Monitor with 0.5% Accuracy Over 90VAC to 130VAC Input

Jan 1st 1998
This circuits AC power line monitor has 0.5% accuracy over a sensed 90VAC to 130VAC input and provides a safe, fully isolated output. RMS conversion provides accurate reporting of AC line voltage regardless of waveform distortion, which is common. ...