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Adder Circuits
Last Updated on: Monday, October 03, 2011 06:07 PM



Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
8 Channel Passive Summing Busses -  balanced and unbalanced input designs  (Circuit design added 08/08/08)
8 Channel Summing Buss with Level, Pan, & Master controls -  (electronic circuit added 08/08/08)
AN-578: RMS Calculations for Energy Meter Applications using the ADE7756 -  AN-578 Analog Devices Application Notes  (app note added 2/06)  The document describes  implementation of an rms signal processing algorithm using  ADE7756 and a Microcontroller (PIC16C63)  from Microchip.
AN-626: Using the AD7732/AD7734/AD7738/AD7739 Checksum Register -  AN-626 Analog Devices Application Notes  (app note added 2/06)
Celsius-to-digital thermometer works with remote sensor -  15-Apr-04 Issue of EDN  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 rail-to-rail amplifier; four resistors; a trimming potentiometer; and an ADC.... [Design Idea 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.  (Circuit design added 08/08/08)
Gyrator Filter Design Info for Single Amp EQ -  The gyrator is used in place of the inductor in a LC filter. (circuit added 08/08/08)
High Input Impedance DC Summing Amplifier -  Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 3/06)
High Input Impedance Precision DC Summing Amplifier -  Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 3/06)
 
High-performance adder uses instrumentation amplifiers -  3-Sep-09 Issue of EDN  Make an adder circuit using instrumentation amplifiers to increase input impedance.... [Design Idea by Moshe Gerstenhaber and Michael O'Sullivan, Analog Devices, Wilmington, MA]
Low Voltage High Input Impedance Precision DC Summing Amplifier -  Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 3/06)
LX1741/1742 Formula Calculator for AN22 -  MicroNote 1310 from Microsem  (app note added 3/06)
Model fixed-point DSP arithmetic in C -  03/18/99 Issue of EDN  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... [Design Idea by Roger Maher, SSL Ltd, Dublin, Ireland]
Regenerating the DS1847/ DS1848 Resistor Calibration Constants -  Maxim Application Notes / 1921 / Jun-08  (app note added 3/06)
RISC µP implements fast FIR filter -  01/21/99 Issue of EDN  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,....Page includes several designs.  Scroll to find this one.... [Design Idea by Sorin Zarnescu, NEC Electronics, Santa Clara, CA]
Single Amplifier 4 Band Passive EQ -  (electronic circuit added 08/08/08)
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....(added 3/06)
Using the AD7732/AD7734/AD7738/AD7739 Checksum Register -  AN-626 Analog Devices Application Notes  (app note added 2/06)
Video emitter uses battery power -  30-Aug-01 Issue of EDN  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.... [Design Idea by JM Terrade, Clermont-Ferrand, France]

 

Adder Circuits

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