two-port amplifier

См. также в других словарях:

• Amplifier — For other uses, see Amplifier (disambiguation). Generally, an amplifier or simply amp, is a device for increasing the power of a signal. In popular use, the term usually describes an electronic amplifier, in which the input signal is usually a… …   Wikipedia

• Negative feedback amplifier — Figure 1: Ideal negative feedback model A negative feedback amplifier (or more commonly simply a feedback amplifier) is an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.… …   Wikipedia

• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

• Scattering parameters — or S parameters are properties used in electrical engineering, electronics engineering, and communication systems engineering describing the electrical behavior of linear electrical networks when undergoing various steady state stimuli by small… …   Wikipedia

• Signal-flow graph — A signal flow graph (SFG) is a special type of block diagram[1] and directed graph consisting of nodes and branches. Its nodes are the variables of a set of linear algebraic relations. An SFG can only represent multiplications and additions.… …   Wikipedia

• Common base — Figure 1: Basic NPN common base circuit (neglecting biasing details). In electronics, a common base (also known as grounded base) amplifier is one of three basic single stage bipolar junction transistor (BJT) amplifier topologies, typically used… …   Wikipedia

• Cascode — The cascode is a two stage amplifier composed of a transconductance amplifier followed by a current buffer. Compared to a single amplifier stage, this combination may have one or more of the following advantages: higher input output isolation,… …   Wikipedia

• Current divider — Figure 1: Schematic of an electrical circuit illustrating current division. Notation RT. refers to the total resistance of the circuit to the right of resistor RX. In electronics, a current divider is a simple linear circuit that produces an… …   Wikipedia

• Miller theorem — refers to the process of creating equivalent circuits. It asserts that a floating impedance element supplied by two voltage sources connected in series may be split into two grounded elements with corresponding impedances. There is also a dual… …   Wikipedia

• Voltage divider — In electronics, a voltage divider (also known as a potential divider) is a simple linear circuit that produces an output voltage ( V out) that is a fraction of its input voltage ( V in). Voltage division refers to the partitioning of a voltage… …   Wikipedia

• Network analysis (electrical circuits) — Linear Network Analysis Elements …   Wikipedia