Impedance
Course Guide Topics
Reactance
Reactance and Frequency
Impedance
Resonance
Tuned Circuits & Filters
Typical Tuned Circuit Responses
Losses – Q factor
Q & Bandwidth (1)
Q & Bandwidth (2)
Tuned Circuit & Filter Bandwidth
Impedance
Impedance
(Z)
is the combination of:
resistance
(R)
and
reactance
(X)
The unit of impedance is
Ohms (Ω)
Resistance and reactance in series
Z = √
(R
2
+ X
2
)
Resistance and reactance in parallel
Z = (R × X) ÷ √
(R
2
+ X
2
)
Course Guide Topics
Reactance
Reactance and Frequency
Impedance
Resonance
Tuned Circuits & Filters
Typical Tuned Circuit Responses
Losses – Q factor
Q & Bandwidth (1)
Q & Bandwidth (2)
Tuned Circuit & Filter Bandwidth