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Resistor Calculator: Calculate Resistance Easily

Calculate resistance using our resistor calculator. Input the band values and get the resistance and tolerance. Learn the resistor color code and formula.

electronic component

resistor

resistance

Series Resonance Frequency Formulas for LC, RC, and RLC Circuits

Learn how to calculate the resonant frequency in series LC, RC, and RLC circuits using formulas. Includes calculators for easy computation in circuit design.

resonant frequency

lc circuit

rc circuit

Star to Delta and Delta to Star Conversion Calculator

Convert between star (Y) and delta (Δ) configurations in electrical circuits. Use our calculator and formulas for easy conversions.

circuit analysis

electrical engineering

star delta conversion

Thermal Noise Power and Voltage Calculator: Formulas and Explanation

Calculate thermal noise power and voltage using our calculators. Understand the formulas and applications in electronic engineering.

thermal noise

noise voltage

noise power

Transistor Optocoupler CTR (Current Transfer Ratio) Calculator

Calculate the Current Transfer Ratio (CTR) of a transistor optocoupler using this calculator and understand the CTR formula.

optocoupler

current transfer ratio

ctr

Tunnel Diode Calculator: Resistive and Self-Resonant Frequency

Calculate resistive frequency (Fr) and self-resonant frequency (Fs) of a tunnel diode based on its parameters.

tunnel diode

resistive frequency

self-resonant frequency

Varactor Diode Calculator

Calculate diode capacitance, cut-off frequency, and quality factor for varactor diodes with this online tool.

varactor diode

diode capacitance

cut-off frequency

Zener Diode Series Resistance Calculator

Calculate the required series resistance for a Zener diode circuit based on input voltage, Zener voltage, and load current.

zener diode

series resistance

voltage regulator