Algorithm Extracts Roots of Decimal Numbers: 04/29/99 EDN-Design
Ideas / PDF contains multiple circuits - scroll to find this
circuit |
Log amp uses capacitor charging law: 01/10/2002 EDN -
Design Ideas / The novel amplifier in Figure 1
relies on the exponential charging characteristics of a simple
RC circuit. The expression for the time, T, required for a
capacitor, C, to reach a voltage (VIN-VK) from 0V, when charged
through a resistor, R, with an applied voltage of VIN, is VIN-VK=VIN
(1-e-T/RC), where VK is a fixed voltage. . |
Log Converters : National Semiconductor Application
Notes,04-Nov-1995 |
Logarithmic A/D Encoder: |
Logarithmic
Amplifier: Logarithmic amplifier uses the log caracteristic
of PN (diode, transistor) to implement logarithmic function. The
second transistor is used as refference and with the PTK
resistor minimizes the dT/dV coeficient. |
Model Fixed Point DSP Arithmetic in C: 03/18/99 EDN-Design
Ideas / PDF contains multiple circuits - scroll to find this
circuit
|
PIC �C implements CRC16 Algorithm: 02/18/99 EDN-Design Ideas
/ PDF contains multiple circuits - scroll to find this circuit |
Primer on Binary Arithmetic Rounding: 01/21/99 EDN-Design
Ideas / PDF contains multiple circuits - scroll to find this
circuit |
Simple Algorithm Transforms Filter Coefficients: 01/21/99
EDN-Design Ideas / PDF contains multiple circuits - scroll to
find this circuit |
Single Stage gives Logarithmic Gain Steps : 03/03/94 EDN-Design
Ideas / By placing a variable component in the positive feedback
loop of an op amp; you can vary the gain of the stage
logarithmically with respect to a linear resistance or
conductance |
Software Filter Boosts Signal Measurement Stability, Precision:
02/03/03 Electronic Design - Ideas for Design / Small or
embedded systems often require a delicate measurement in the
presence of high noise or interference. Without fancy filtering
hardware, high-speed processing, or digital signal processing,
it can be difficult to extract a stable signal of...
|
Software snippet provides improved subset sum algorithm :
09/25/03 EDN-Design Ideas / The subset-sum problem is one of
the most frequently occurring NP (nondeterministic,
polynomial-time)-complete) problems. It asks whether a subset of
numbers in a set of positive integers adds up exactly to a given
value. A relaxed version of the problem tries to identify a
subset of numbers that adds up to a maximum value no greater
than a given value.... |
Theory & Applications of Logarithmic Amplifiers : National
Semiconductor Application Notes,24-Feb-1999 |