Butterworth - Procesado de señal
Electronics Engineering Company specializing in analog, audio, video, RF, digital circuit and printed circuit board (PCB) design.
http://www.pronine.ca/buthf1.htm
Design your own fourth-order Butterworth crossovers with my free online crossover calculator.
http://www.carstereo.com/help/Articles.cfm?id=11
https://circuitos-de-electronica.blogspot.com/2007/10/asymmetrical-third-order-butterworth.html
This is an electronic stethoscope circuit diagram. The operation of the circuit is very simple. It's work is similar to general home audio system. The heartbeat sounds catched by electret microphone and then the amplifier amplify the signal. Component List:R1 = 10K 1/4WR2 = 2. 2K 1/4WR3, R9 = Not usedR4 = 47K 1/4WR5, R6, R7 = 33K 1/4WR8 56K = 1/4WR10 = 4. 7K 1/4WR11 = 2. 2K to .......
https://audio-circuits.blogspot.com/2012/08/electronic-stethoscope-circuit.html
DISEÑO DE FILTROS CON MATLAB Contenido: I. II. III. IV. V. Procedimiento de diseño de filtros. Especificaciones de un filtro. Funciones de aproximación de filtros. Obtención del orden de un filtro [. . ]
http://www.ctr.unican.es/asignaturas/instrumentacion%5F2%5FITTSE/Dise%F1o de Filtros con Matlab.pdf
CHAPTER 33 The z-Transform Just as analog filters are designed using the Laplace transform, recursive digital filters are developed with a parallel technique called the z-transform. The overall strategy of these two transforms is the same: probe the [. ]
http://www.dspguide.com/CH33.PDF
Audioguru Circuit Description: U1a operates as a low-noise microphone preamp. Its gain is only about 3.9 because the high output impedance of the drain of the FET inside the electret microphone causes U1a's effective input resistor to be about 12.2K. C2 has a fairly hig
http://www.radiolocman.com/shem/schematics.html?di=64243
La serie NI Multisim: Circuitos BAsicos presenta muchos circuitos frecuentes y recursos para el diseño de topologías, esenciales en la comprensión de la electronica. Estos ejemplos.
https://www.ni.com/white-paper/5648/en
Electronics Engineering Company specializing in analog, audio, video, RF, digital circuit and printed circuit board (PCB) design.
http://www.pronine.ca/buthf2.htm
Hi, I'm making a "precision" 1kHz sine wave generator, using a PIC 16F628 and 20MHz xtal. Goals; 1. Sine freq 1000Hz high freq accuracy, xtal...
http://www.electro-tech-online.com/electronic-projects-design-ideas-reviews/119418-please-help-precision-1khz-sine-filter.html
A Sine/Square Wave Oscillator For Your Workbench - It uses a switched capacitor filter IC to give a very good envelope stability. Do you want a good quality audio oscillator that does not go
http://archive.siliconchip.com.au/cms/A_102715/article.html
Volume Forty-Nine NEWS BRIEF IN-DEPTH ARTICLES Active filters for video Automatic fan control techniques Trends in cooling high-speed chips Selecting power management for cellular handsets Base station RF power amplifier biasing 2 3 12 15 18 5-POLE FILTER BUFFER GAIN = 2 R4 470 R8 200 DELAY EQUALIZER R11 215 VEE RIN 75 R1 78.7 C1 270pF R2 392 R3 196 C2 120pF C3 43pF U1a VCC Rf 270 VCC U1b [..].......
http://pdfserv.maximintegrated.com/en/ej/EJ49.pdf
This page provides still more 'Practical' Communications Theory tutorial and design information -- we are a leading Wireless & Spread Spectrum Consultant. Get the help you need from Pegasus Technologies, Inc. for that next Radio or complete Spread Spectrum project. We are dedicated to helping clients design and develop new Spread Spectrum, RF and wireless designs, circuits and systems. We also excel in design reviews, mentoring as well as analyzing and troubleshooting existing client designs. We.......
http://sss-mag.com/G3RUH/index2.html
https://easycircuit012.blogspot.com/search/label/Test and measurement
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