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Circular Patch Antenna Calculator Circular Patch Antenna Calculator Theory about Circular Patch Antennas: Structure: A circular patch antenna consists of a thin metallic disk (patch) mounted on a dielectric substrate. Operating Principle: It radiates electromagnetic waves when fed with RF energy. Key Parameters: Frequency (f): The operating frequency, typically in GHz. Dielectric Constant (εr): Indicates how well the substrate material can store electrical energy. Substrate Thickness (h): Affects bandwidth and efficiency. Patch Radius (a): Can be calculated using the formula: a ≈ F / √(1 + (2 * h * logTerm) / (π * εr * F)) For more details on calculating microstrip line parameters, refer to the EM Talk Mi...

Circular Loop Antenna Calculator Circular Loop Antenna Calculator Loop Antenna: A loop antenna is a radio antenna consisting of a loop or coil of wire, tubing, or other electrical conductor, usually fed by a balanced source or feeding a balanced load. Loop antennas are often used in direction finding and have applications in radio broadcasting and wireless communication systems. Types of Loop Antennas: Small Loop Antenna: Used for reception and is electrically small compared to the wavelength. Large Loop Antenna: Its circumference is comparable to the wavelength of the signal it transmits or receives. Formula for Circular Loop Antenna: The radius of a circular loop antenna is calculated using the formula: r = c / (2πf) Where: r = radius...

Parallel Plate Capacitor Parallel Plate Capacitor Capacitance is the ability of a system to store an electric charge. The capacitance of a parallel plate capacitor is calculated using the formula: C = ε₀ * εr * A / d, where: ε₀ is the permittivity of free space (8.854 x 10⁻¹² F/m) εr is the relative permittivity of the dielectric material A is the area of the plates (constant: 400 mm²) d is the distance between the plates (constant: 2 mm) Relative Permittivity (εr): Area of Plates (A) in m²: Distance Between Plates (d) in m: Calculate Capacitance

Wavelength Calculator (in mm) Wavelength Calculator (in mm) Wavelength and Frequency: The wavelength of a wave is the distance between two consecutive points that are in phase, such as two consecutive peaks or troughs. It is inversely related to frequency, meaning that as the frequency increases, the wavelength decreases. Formula for Wavelength: The wavelength is calculated using the formula: λ = c / f Half line wavelength = λ/2. Quarter line wavelength = λ/4. Half-line wavelength is used to maintain the distance between two successive elements in an antenna array. Where: λ is the wavelength. c is the speed of light (approximately 299,792,458 meters per second). f is the frequency . The calculator below will pr...

A charge Q1=-20 uC is isolated at P (-6, 4, 6) and charge Q)= -50 pC is  located at R (5, 8,-2) in a free space. Find the force exerted on Q2 by QI  in vector form. The distance is given in meters. Verify the answer using  MATLAB. Matlab Code: q1 = 20e-6 q2 = 50e-6 r1 = [5 8 -2] r2 = [-6 4 6] a = norm(r2-r1) unit = (r2-r1)/a b = a^2 f = (q1*q2)/(4*3.14*8.854e-12*b)*unit F = norm(f)

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