Series Capacitor Calculator
This tool calculates the total capacitance for any number of capacitors connected in series. Formula When capacitors are connected in series, the total or equivalent capacitance (Ctotal) is less than …
Matt Brown
Capacitor For Power Supply Calculator
This tool calculates the cap value (Farad) for a power supply. The power supply is either a full-wave or half-wave rectifier. Calculator Enter Example Calculation For a full-wave rectifier, with …
RC Time Constant Calculator
The RC time constant, represented as τ (tau), is a measure used in electrical engineering to quantify the time it takes for a capacitor, through a resistor, to charge to …
dBm to Percentage Calculator
This tool converts dBm value to its percentage equivalent Your phone or tablet might report a RSSI or dBm level for the Wi-Fi network. Use that level in the tool …
Transmission Line Velocity Factor Calculator
The velocity factor of a transmission line is related to its inductance and capacitance per unit length. This relationship is not as direct as the one with the dielectric constant …
What is MHz in Ethernet Cables?
In the context of Ethernet cables, “MHz” refers to megahertz, a unit of frequency that measures the bandwidth capacity of the cable. The picture below shows a cable rated for …
dBi vs dBm – what’s the difference?
The difference between dBi and dBm lies in what they measure: dBi measures antenna gain, while dBm measures power levels. dBi This is a unit of measure that indicates the …
PCI Lane Calculator
Use this tool to calculate the transfer rate per lane in Megabytes per second or Gigabytes per second. Calculator Enter The tool provides the raw transfer rate per lane and …
Velocity Factor Calculator
This tool calculates the velocity factor from the relative permittivity. Calculator Enter the relative permittivity εr and the tool will provide the velocity factor Formula VF = 1/(√εr) where Example …
1/4 Wave Antenna Calculator
This calculator gives the lengths of the radiating element of a quarter wave (λ/4) ground plane monopole and the radials. Calculator Enter and the tool will provide the lengths of: …