Physical
2021-12-15
App description
This calculator is primarily designed to help design speech preamps.
A preamplifier (also called a preamplifier) r...
2021-12-15
RC circuit instantaneous voltage online calculator
RC circuit instantaneous discharge voltage
RC circuit instantaneous voltage onl...
2021-12-15
Lithium Manganese Rechargeable Battery Life Calculator
This calculator is used for constant voltage trickle chargers. For lithium ...
2021-12-15
App Description
Usage example
Input data:
Diameter D [mm]: 10; diameter w [mm] 0.5; spacing s [mm]: 0.5; number of turns n: 10
C...
2021-12-15
VSWR (Voltage Standing Wave Ratio, sometimes referred to as the vertical standing wave ratio) is a measure of
the effective transm...
2021-12-15
Motor power calculation formula:
Single item: \(P=I×220×Cosφ·η\)
Three items: \(P=I×1.73×380×Cosφ·η\)
(The single-item motor power...
2021-12-15
Usage example
working frequency ：35000
Hz, Capacitance ：0.01 μF
Calculation results of reactance values ：Xc =：454.73 Ohms...
2021-12-15
Calculation formula：
T2 (off-time) = 0.693 * R2 * C1
T = 0.693*( (R1 + 2R2) * C1)
F = 1/ T
= 1.44 / ( (R1 + 2R2) * C1)
D = (T1 ...
2021-12-15
The resistance of the conductor is usually represented by the letter R. The unit of resistance is ohm, referred to
as Europe, and...
2021-12-15
The resistance of the conductor is usually represented by the letter R. The unit of resistance is ohm, referred to
as Europe, and...