Richard John This calculator estimates the interference-free dynamic range (SFDR) of an RF receiver from the third-order intercept point (IIP3) and the minimum detectable signal (MDS). It helps evaluate the receiver’s ability to distinguish a useful signal from a spurious or intermodulation signal. Useful for RF engineers, receiver designers and measurement technicians looking to improve the linearity … Read more
This calculator determines the specific absorption rate (SAR) and incident power density from the electric field, the conductivity of the material and its mass density. It helps evaluate the amount of RF energy absorbed by tissues or materials exposed to an electromagnetic field. Valuable tool for electromagnetic safety engineers, biomedical researchers and RF equipment designers … Read more
This calculator determines the series resonance frequency (Fs), parallel resonance frequency (Fp) and quality factor (Q) of a quartz crystal using its equivalent circuit values. It helps to understand the behavior of crystal oscillators in electronic circuits. Ideal for electronic engineers, oscillator designers and students who wish to analyze the frequency stability and losses of … Read more
This calculator determines the characteristic impedance of a quarter-wave transformer, used to match two transmission lines with different impedances. It helps minimize reflections and ensure maximum power transfer between RF stages. Useful for RF engineers, filter designers, and students who want to design simple and efficient matching networks. Formula Z₀ = √(ZL × Zin) Explanation … Read more
This calculator determines the form factor and quality factor (Q) of a microwave bandpass filter from its center frequency and its bandwidths at 3 dB and 60 dB. It helps analyze the selectivity and performance of an RF filter for various microwave applications. Useful for RF engineers, filter designers, and telecommunications students working on the … Read more
This calculator determines the blind speed and wavelength of a radar signal. It helps identify the rates at which a target becomes invisible to radar when the Doppler shift matches the pulse repetition frequency. Ideal for radar engineers, sensing researchers, and surveillance systems students who want to optimize performance and reduce blind zones in radar … Read more
This calculator determines the pulse repetition frequency (PRF) and pulse repetition time (PRT) for radar systems. These values are essential to ensure unambiguous detection of targets within a given range. Useful for radar engineers, ranging system designers, and electronics students seeking to understand the relationship between maximum range and pulse frequency. Formulas PRF (Hz) = … Read more
This calculator determines the maximum range at which a radar can unambiguously detect a target, based on the pulse repetition frequency (PRF). It is essential for designing and evaluating pulse radar systems. Useful for radar engineers, detection technicians and students working on range measuring and target tracking systems. Formula Unambiguous range = c/(2 × PRF) … Read more
This calculator determines the effective aperture of an antenna (Ae) from its gain and its operating frequency. It allows us to understand the relationship between the physical size of the antenna, its gain and its ability to capture or transmit electromagnetic energy. Useful for RF engineers, communications system designers and students wishing to estimate the … Read more
This calculator allows you to determine the optimal dimensions of a mitred 90° elbow on a microstrip line, in order to minimize reflection and maintain the original characteristic impedance. It helps optimize transitions in high-frequency circuit boards. Ideal for RF engineers, PCB designers and students working on transmission lines where signal performance and loss reduction … Read more