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Adder Circuits

Last Updated: November 30, 2017 07:37 AM

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

8 Channel Passive Summing Busses -  balanced and unbalanced input designs __ Contact: info @ forsselltech . com

Casio calculator interface schematic -  Schematic only

Celestial Weight Calculator -  Whether you are a science fiction fan, a space enthusiast or one of the millions who have watched astronauts gamboling about the moon’s surface, you may have wondered how much you __ Electronics Projects for You

Celsius-to-digital thermometer works with remote sensor -  04/15/04  EDN-Design Ideas You can use a single-supply system to precisely measure the temperature at a remote location with less than 1°C error over a 0 to 100°C range (Figure 1).  The circuit includes T1, a low-cost AD590 temperature sensor; IC1, an AD8541 r __ Circuit Design by Elana Lian and Chau Tran, Analog Devices, Wilmington, MA

Class a JFET Opamp Circuit -  First Generation design that means it is not our latest design __ Contact: info @ forsselltech . com

Gyrator Filter Design Info for Single Amp EQ -  The gyrator is used in place of the inductor in a LC filter __ Contact: info @ forsselltech . com

High Input Impedance DC Summing Amplifier -  Circuit Ideas for Designers App Note __ Advanced Linear Devices, Inc

High Input Impedance Precision DC Summing Amplifier -  This circuit presents a simple precision DC summing amplifer that has high imput impedance of 10Mohm.  The obviouds advantage is that the 10Mohm high input resistance of the summing resistor(s) reduces the loading on the input signal sources and therefore affords better signal accuracy and integrity. __ Advanced Linear Devices, Inc

High-Performance Adder Uses Instrumentation Amplifiers -  09/03/09  EDN-Design Ideas Make an adder circuit using instrumentation amplifiers to increase input impedance __ Circuit Design by Moshe Gerstenhaber and Michael O'Sullivan, Analog Devices, Wilmington, MA

LC filter Design on-line calculator -  This is an interactive design package for designing analogue (i.  e.  hardware) filters made of inductors and capacitors (Ls and Cs).  Fill in the form and press the ``Submit'' button, and a filter will be designed for you. __ Designed by Tony Fisher

Low Voltage High Input Impedance Precision DC Summing Amplifier -  Circuit Ideas for Designers App Note __ Advanced Linear Devices, Inc

Regenerating the DS1847/ DS1848 Resistor Calibration Constants -  App Note/ 1921 / Jun-08 __ Maxim Integrated

RISC µP implements fast FIR filter -  01/21/99 EDN-Design Ideas NOTE : contains several designs, scroll to find this one.  When it comes to implementing a fast FIR filter, current RISC µPs can compete with DSP µPs.  The FIR algorithm continuously implements the following equation: N=n–1 Out=Sum[in(t[-]n)coeff(n)] N=0, where N is the number of taps, or the number of multiply-accumulate (MAC) instructions of the filter.  Using a delay line to implement this equation is common and involves the ability to manage a circular buffer. __ Circuit Design by Sorin Zarnescu, NEC Electronics, Santa Clara, CA

Single Amplifier 4 Band Passive EQ -  Schematic Only __ Contact: info @ forsselltech . com

Subwoofer Equaliser -  The Linkwitz transform circuit is a hugely flexible way to equalize the bottom end of a sealed loudspeaker enclosure.  A speaker that is corrected using this method is flat from below resonance to the upper limit of the selected driver.  The low frequency roll off point is determined by the parameters of the transform circuit __ Designed by Rod Elliott  ESP

Model fixed-point DSP arithmetic in C -  03/18/99 EDN-Design Ideas NOTE :  Page includes several designs.  Scroll to find this one.  You can run initial high-level simulations of custom numerical algorithms, such as digital filters, using floating-point numbers in an environment such as C or Matlab.  Unfortunately, you won't see include fixed-point effects, such as truncation due to limited precision and register overflow, until you use a Hardware Design Language (HDL), such as Verilog or VHDL.  However, a technique that models these effects in C—the function "bit_limit" in Listing 1—provIdeas faster execution and better portability than HDLs and allows early exploration of the trade-off between bus width and performance. __ Circuit Design by Roger Maher, SSL Ltd, Dublin, Ireland

Video emitter uses battery power -  08/30/01 EDN-Design Ideas The block diagram in Figure 1 shows how to make a cable-free, direct-video system.  The system allows users to walk from booth to booth at an exhibition to interview people and to display the interviews in real time on three screens at key locations.  You can use the small and simple system each time you need to capture image and sound on the run __ Circuit Design by JM Terrade, Clermont-Ferrand, France

Adder Circuits

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