Modulation Calculator

📐 Modulation Formulas

AM: m = A_m/A_c (Modulation Index)

FM: β = Δf/f_m (Modulation Index)

PM: β = Δφ (Modulation Index)

Bandwidth = 2(f_m + Δf) (FM/PM)

m = AM index, β = FM/PM index, A = amplitude, f = frequency, φ = phase

Modulation Type:

Carrier Amplitude (V):

Modulating Amplitude (V):

Carrier Frequency (kHz):

Modulating Frequency (kHz):

Modulation Index: -

Bandwidth: -

Sideband Power: -

Efficiency: -

💡 Tips & Information

AM: m ≤ 1 to avoid overmodulation
FM: Higher β = wider bandwidth, better quality
PM: Similar to FM but phase varies instead of frequency
Bandwidth determines channel spacing requirements
Used in radio, TV, and digital communications

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📡 Modulation Calculator

📐 Modulation Formulas

💡 Tips & Information

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