Home of RF and Wireless Vendors and Resources

One Stop For Your RF and Wireless Need

AM Modulation Index calculator

This page mentions AM modulation Index calculator and FM modulation Index calculator. It mentions formula or equations used for this modulation index calculator.


Modulating Signal Voltage (input1) :

Carrier Signal Voltage (input2) :


AM Modulation Index (Output1):

Example: AM modulation index calculator:
INPUTS: Modulating signal voltage = 0.5, Carrier Signal Voltage = 1.25
OUTPUT: AM Modulation Index = 0.4

FM Modulation Index Calculator


Frequency Deviation, Fd (input1) :

Modulating Frequency, Fm (input2) :


FM Modulation Index (Output1):

Example: FM modulation index calculator:
INPUTS: Fd = +/- 25KHz, Fm = 10 KHz
OUTPUT : Fm Modulation Index = 2.5

Formula or equations used for Modulation Index Calculator

Following equations or formula are used for this modulation index calculators.

modulation index calculator formula

Modulation Related links

AM vs FM vs PM   modulation basics  BPSK  QPSK   QAM   MSK-GMSK   8PSK   BPSK vs QPSK   QPSK vs OQPSK vs pi/4QPSK   Differential Encoder and Decoder 

Useful converters and calculators

Following is the list of useful converters and calculators.

dBm to Watt converter
Stripline Impedance calculator
Microstrip line impedance
Antenna G/T
Noise temp. to NF

RF and Wireless tutorials

Share this page

Translate this page