Phased Array Beam Steering Calculator

Electromagnetics & AESA: Calculate progressive element phase shift ($\Delta\phi$), 3 dB half-power beamwidth, and grating lobe thresholds.

Number of Elements $N$:

Desired Steering Angle $\theta_0$ (°):

Carrier Frequency $f$ (GHz):

Element Spacing $d / \lambda$:

Amplitude Tapering (Window):

Phase Shift ($\Delta\phi$)

-- °

3 dB Beamwidth

-- °

Grating Lobe Margin

Array Directivity

-- dBi

• Carrier Wavelength ($\lambda$): -- cm

• Physical Element Pitch ($d$): -- mm

• Total Array Length ($L = (N-1)d$): -- cm

• Broadside Beamwidth vs Steered: --° (Broadening: --×)

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