Background Theory > Spice Simulation > Voltage and Current Sources

Current-Controlled Current Sources

Current-controlled current sources (CCCS) are components that generate a current output based on the value of a controlling current in the circuit. CCCS are used to model circuits where the current flowing through one part of the circuit controls the current flowing through another part. These sources are particularly useful in amplifier design and feedback analysis.

CCCS are often used to model transistors and operational amplifier (op-amp) circuits, where a small input current controls a larger output current. They play a key role in analyzing amplifiers, feedback loops, and signal processing circuits. When working with CCCS, ensure that the controlling current and gain values are properly defined to accurately model the circuit's behavior.

Current-Controlled Voltage Sources

Current-controlled voltage sources (CCVS) are components that generate a voltage output based on the value of a controlling current in the circuit. CCVS are used to model circuits where the current flowing through one part of the circuit controls the voltage across another part. These sources are commonly used in amplifier designs, feedback analysis, and other applications.

CCVS are used to model various types of circuits, such as amplifiers, feedback networks, and control systems. They allow you to represent complex relationships between current and voltage in a circuit. When working with CCVS, ensure that the controlling current and gain values are properly defined to accurately model the circuit's behavior.

Voltage-Controlled Current Sources

Voltage-controlled current sources (VCCS) are components that generate a current output based on the value of a controlling voltage in the circuit. VCCS are used to model circuits where the voltage across one part of the circuit controls the current flowing through another part. These sources are commonly used in amplifier designs, feedback loops, and other applications.

VCCS are commonly used to model operational amplifier circuits, differential amplifiers, and other applications where the output current is controlled by a controlling voltage. When using VCCS, ensure that the controlling voltage and trans-conductance values are properly defined to accurately model the circuit's behavior.

Voltage-Controlled Voltage Sources

Voltage-controlled voltage sources (VCVS) are components that generate an output voltage based on the value of a controlling voltage in the circuit. VCVS are used to model circuits where the voltage across one part of the circuit controls the voltage at another part. These sources are commonly used in amplifier designs, feedback loops, and other applications.

VCVS are commonly used to model amplifiers, operational amplifier circuits, and other applications where the output voltage is controlled by a controlling voltage. When using VCVS, ensure that the controlling voltage and gain values are properly defined to accurately model the circuit's behavior

Linear Dependent Sources

Linear Dependent Sources