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Electrical and Electronics Excel Calculators
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 NE566 Function Generator Frequency Calculator Excel Spread Sheet This spreadsheet calculator shows the output frequency of the NE566 function generator chip for various standard values of R and C.
 Linear Circuit Source Calculator Excel Spreadsheet Linear Circuit Source Calculator Excel Spreadsheet. This sheet shows how to implement a good quality linear current source for the 3080 OTA.
 Inverting Op-Amp Gain Table Calculator Excel Spread Sheet This sheet shows the gain of an inverting op-amp for standard 5% valued resistors. Read the values of R1 down the left-hand column, and the values of R2 across the top row.
 Equally Tempered Scale Frequencies Calculator Excel Spread Sheet This table shows the frequencies of all the musical notes in an equally tempered scale over ten octaves.
 Decibel Tables Calculator Excel Spreadsheet These tables show the decibel equivalents for various ratios of output to input voltages (voltage gain).
 Bandwidth Limiting Calculator Excel Spread Sheet This sheet shows the -3dB points for bandwidth limiting (which works for both low pass and high pass) in an inverting amplifier, at various standard values of R and C.
 Multiple Feedback Band Pass Filter Calculator Excel Spread Sheet This sheet determines the Q of a standard multiple feedback band pass filter for all 5% values of Rin and Rf ; use it in tandem with Sheet 2 which gives the center frequency of the filter.
 Three Phase Current Circuit Calculator Excel Spread Sheet This Excel calculator file will determine the voltage drop, power loss and current distribution for a three phase circuit. Various materials can be selected to optimize performance.
 Arc Flash Program Excel Spread Sheet Calculator This Excel file combines arc flash equations from a proposal to NFPA 70E-2003 with simplified equations to calculate available fault current. This tool uses methods that have been shown to result in conservative estimates of fault current, which should result in conservative estimates of arc incident energy if appropriate arc fault clearing times are used .
 Distribution Transformer Calculations Excel Spread Sheet Distribution Transformer Calculations – MS nput parameters: Primary rated voltage (kV.), Secondary rated voltage (kV.), Max. demand load (kW), Power factor after correction
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