The Input Impedance ZIN, or what people call as the Input Resistance, is important thing when making transistor amplifier circuits. It helps us to tell what kind of amplifier it is by looking at input and output impedance and also power and current ratings. Now amplifier impedance value is very important for circuit analysis, especially […]
Impedance
Calculating Impedance and Complex Impedance
Impedance can be defined as the full resistance that an AC circuit presents against the passage of alternating current, and it is measured in Ohms. AC Circuits and Impedance In circuits carrying alternating current (AC), the opposition to current flow is called impedance. Its measured in ohms (Ω) and represents the combined effect of all […]
Calculating Resistance and Impedance
The term “resistance” refers to the opposition to current flow in a DC circuit, whereas the term “impedance” refers to the opposition to current flow in an AC circuit, measured in Ohms. Impedance is a combination of AC resistance and reactance, which effectively reduces the current flow. Phasor Representation in AC Circuits To represent complex […]