July 21, 2009

Misc Electronics

Misc Electronics


  • System
    Preferred componentsSelect component values used in all designs and step size for ctr-n and ctr-m
    Hot keysDefine hot keys for opening pages
  • Miscellaneous
    GeometryHandles: Circles, part of circles, triangles, squares, rectangles, trapezoid
    SoundSound speed and perceived sound levels
    Weather and air%RH, dew point, air pressure and other weather related calculations
    Periodic tableA periodic table with all elements, it has search functions and a few data for each element
    Photo lensSome lens calculations
    Photo lightSome light calculations
  • Calculations
    CalculatorCan do all the usual stuff, including mathematics.
    Tiny CalcCan do the same as the entry line in Calculator, but is very small when pulled out.
    Curve fitFits a curve to a collection of data points
    Ohms lawOhms law, impedance of capacitor and inductors, complex power
    Ohms law 3 phaseOhms law with complex power for 3 phase systems
    dBDecibel and neper, both power and voltage including volt/watt for a reference level
    Charge curveCapacitor/inductor charge/discharge with resistive, current and power loads (not all combinations supported)
    WaveformsCalculates RMS, mean, PEEK, DC, FFT for different waveforms.
  • Mechanical
    WiresCalculates resistance and power loss in wires, can also do conversion between USA and European units.
    Cable calculationsCalculate frequence response of a cable
    Fan coolingCalculates how big a fan to get rid of some power.
    Heat sinkCalculates junction temperature for specified power level and heat sink
    Printed circuit boardCalculate micro strip, strip line, track resistance and current
    Cable calculationsSimulate cables at low (audio) frequences
  • Components
    Capacitor designCalculate capacitance of different geometries
    Color codesConvert between color codes and numeric values for many types of components.
    ThermosensorsCalculates for PT100, NTC and all types of thermocouples
    Air coilAnalyze or design an air core inductor
    LedsColor/wavelength of leds and design of circuits to drive leds from DC or AC.
    Components type numbersTries to decode component codes
    Power MOSTurn on/off time and power loss estimation
  • MPU
    MPU TimersCalculates divide factors for up to five software timers
    Integer mathConverts real numbers to fractions, calculates primes and other integer stuff
    Serial communicationTiming and curves, use full when programming software uart's and IR rx/tx.
    CRC and check sumCalculate crc, check sum and modulus for data blocks, can also analyze a data block for what check sum/crc was used
  • Simple Circuit
    FoCalculates Fo for RC, RL, RLC circuits
    Series/parallelCalculate/design series/parallel connection of resistors, capacitors and inductors
    Charge timeCharge/discharge time for simple circuits (including 555).
    Voltage dividerDesign/analyze voltage dividers, can include component tolerance and load.
    Two portConversion between different types of two ports.
  • Circuit
    1. order filtersAnalyze and design 32 different filter configurations
    Attenuator networkDesign different kind of attenuators
    Power SupplyAnalyze and design power supplies with 78xx and LM317 style regulators

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Electronics is the study and use of electrical that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves. and semiconductors. The pure study of such devices is considered as a branch of physics, while the design and construction electronic circuits to solve practical problems is called electronic engineering.

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