Study Notes on Non-Independent Voltage and Current Sources

Telkom University Course Notes: Sumber Tegangan dan Arus Tak Bebas

Introduction

  • Course presenters:
    • Mohamad Ramdhani
    • Diyah Widiyasari
  • Faculty: Fakultas Teknik Elektro
  • Course title: Pertemuan-4 Sumber Tegangan dan Arus Tak Bebas

Course Learning Outcomes (CLOs)

  • CLO-01 and CLO-03:
    • Students will be able to explain active components of non-independent voltage sources and non-independent current sources.
    • Students will use fundamental laws in circuit analysis.

Key Topics of the Course (Materi-RPS)

  1. Sumber tegangan yang bergantung tegangan (VCVS = Voltage Controlled Voltage Source)
  2. Sumber tegangan yang bergantung arus (CCVS = Current Controlled Voltage Source)
  3. Sumber arus yang bergantung tegangan (VCCS = Voltage Controlled Current Source)
  4. Sumber arus yang bergantung arus (CCCS = Current Controlled Current Source)

Detailed Explanations

1. Sumber Tegangan yang Bergantung Tegangan (VCVS)
  • Definition: A voltage source whose output voltage depends on a voltage elsewhere in the circuit.
  • Example Circuit:
    • Elements used:
    • Resistors: 4Ω, 6Ω
    • Dependent Voltage Source: VCVS forms the voltage output based on an input voltage.
  • Circuit Parameters:
    • Voltage output, Vo = 4V
    • Total voltage of the circuit involved = 12V.
2. Sumber Tegangan yang Bergantung Arus (CCVS)
  • Definition: A voltage source that produces an output voltage proportional to the current flowing through it.
  • Example:
    • Parameters include:
    • Input current, io
    • Output voltage can be represented: 54V=5i54V = 5i
3. Sumber Arus yang Bergantung Tegangan (VCCS)
  • Definition: A current source whose output current depends on an input voltage.
  • Example Circuit:
    • Elements used:
    • Resistors: A configuration that includes 10KΩ and dependent current source diagrams.
    • Parameters involve:
    • Output current = 5mA when the voltage input is 0.01V.
4. Sumber Arus yang Bergantung Arus (CCCS)
  • Definition: A current source that generates output current conditioned by the input current.
  • Example Circuit:
    • Input parameters show, for instance:
    • i=0.5ii = 0.5i, indicating a relationship based on the input current.

Exercises and Problem Solving

  • Exercise 1 (VCVS):

    • Task: Determine current (I) and voltage (v) in a given VCVS circuit.
    • Solution Steps:
    1. Apply Kirchhoff's Voltage Law (KVL) around the loop.
    2. Equation derived: −12+4i+2v−4+6i=0−12 + 4i + 2v - 4 + 6i = 0
    3. Using Ohm's law on a related resistor yields: V1=−6iV₁ = -6i
    4. Substitute Eq. (2.6.2) into Eq. (2.6.1):
      • Resulting equations: −16i−12i=0-16i - 12i = 0
      • Hence, i=−8Ai = -8A and v=48Vv = 48V.

  • Exercise 2 (CCVS):

    • Task: Similar problem-solving approach to assess current and voltage.

  • Exercise 3 (VCCS):

    • Task: Determine output voltage Vo in the VCCS configuration.

  • Exercise 4 (CCCS):

    • Task: Derive current (I) and voltage (v) in a CCCS setup.

Independent Study Exercise

  • Task: Identify circuit value parameters using given values from illustrations, such as:
    • Voltage source: 12V
    • Resistance: 12Ω
    • Other given values such as v = 2V, denote inter-dependence with current outputs (ix).

Conclusion

  • These exercises integrate fundamental circuit laws (Ohm's and Kirchhoff's) in analyzing dependent and independent sources, enhancing the student's understanding of practical applications in circuit design and analysis.