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8 Channel Passive Summing Busses - balanced and unbalanced input designs

8 Channel Summing Buss with Level, Pan, and Master controls

AN-578: RMS Calculations for Energy Meter Applications using the ADE7756 - AN-578 Analog Devices Application Notes. 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

Celsius to digital thermometer works with remote sensor - EDN-Design Ideas  /  You can use a single-supply system to precisely measure  temperature at a remote location with less than 1C error over a 0 to 100C 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;

Class A JFET Opamp Circuit - First Generation design... that means it is not our latest design.

Gyrator Filter Design Info for Single Amp EQ - The gyrator is used in place of the inductor in a LC filter.

High Input Impedance DC Summing Amplifier - Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.

High Input Impedance Precision DC Summing Amplifier - Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.

Low Voltage High Input Impedance Precision DC Summing Amplifier - Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.

(AN-22) LX1741 / LX1742 Boost Converter Design Hint

Model Fixed Point DSP Arithmetic in C - EDN-Design Ideas  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)

Regenerating the DS1847 / DS1848 Resistor Calibration Constants - Maxim Application Notes

RISC P Implements Fast FIR Filter - EDN-Design Ideas When it comes to implementing a fast FIR filter, current RISC Ps can compete with DSP Ps. The FIR algorithm continuously implements the following equation:  N=n1  Out=Sum[in(t[-]n)coeff(n)]  N=0

Single Amplifier 4 Band Passive EQ

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

Using the AD7732/AD7734/AD7738/AD7739 Checksum Register - AN-626 Analog Devices Application Notes

Video Emitter uses Battery Power - 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.
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