In this process, you can employ an RLC (resistor-inductor-capacitor) model to calculate the transient oscillation frequency and damping. By determining these parameters, you can precisely calculate the value of the series termination resistor needed to achieve critical damping: Z= 2 √L/C 2. Eff...
The Centre frequency (fo) for a bandpass filter is defined as the geometric mean, fo=√f1×f2(2)fo=f1×f2(2) Example 1 Determine the cutoff frequencies for the bandpass filter shown in Figure 1(a). Also, calculate the passband Centre frequency (fo). Solution High-pass stage fcH=12π...
The stray capacitance is difficult to approximate, but for typical NFC/RFID products is in the range of few pF. For some antenna shapes, Section 3.1, Section 3.2, and Section 3.3 give useful formulas to calculate the self-inductance Lant, even if the stray capacitance of the antenna is not...
Resistance in an RLC circuit can be calculated using Ohm's law, which states that resistance (R) is equal to the ratio of voltage (V) to current (I) in the circuit, or R = V/I. You can also calculate the equivalent resistance in a series or parallel RLC circu...
It's better to have some extra capacitance than it is to have a bit too little because this way, some of the energy storage capacity of the capacitor is wasted, while in the latter case, some of the energy from the transformer is wasted. Next, in order to calculate the necessary ...