Basic Attenuator Calculator (BasicATTCalc) helps you calculate various resistive attenuators which are used in many audio, video and RF circuit design applications.
The standard resistance values based on E-series numbers are outputted in inputting necessary conditions such as source impedance, load impedance and attenuation.
The calculable attenuators and impedance converters are as follows:
- Type T
- Type Pi (π)
- Type H
- Type O
- Type Bridged T
- Type Bridged H
- Type L (Impedance converter)
- Type U (Impedance converter)
Calculated resistance values are displayed with ideal values or the following E-series number specified either.
E12, E24, E48, E96, E192
The most suitable values are calculated in selecting priority calculation whether Simple or Precision.
Perform calculations that the nearest values are derived to desired impedances and attenuation by the simple structure
Perform calculations that the nearest values are derived to desired impedances and attenuation by consisting of up to 4 resistors per an element
In addition to resistance values, this application provides you with input impedance, output impedance and calculated attenuation with mismatch loss.
If necessary, it is able to calculate power dissipated by each resistor and parameters such as reflection coefficient, VSWR, return loss and mismatch loss.
Because the standard resistors are used, the following restriction is set up.
- Range of resistance value: 1Ω ~ 10MΩ (except ideal values)
Support for all display sizes of iPhone/iPod touch.
Add support for iPad and adjust the UI size to the number of pixel.
Fix a issue that part of power calculation is not displayed correctly in Type Bridged T and Type Bridged H.
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The developer will be required to provide privacy details when they submit their next app update.
With Family Sharing set up, up to six family members can use this app.