Author: kuni3075

Gate resistance of an FET

Calculate the optimal gate resistance value based on the gate voltage, on-time, and gate charge

Maximum output current of the regulator (based on junction temperature and thermal resistance)

Calculate the current that the regulator can output based on the junction temperature and thermal resistance

Maximum output current (power dissipation) of the regulator

Calculate the regulator's maximum output current based on the allowable loss

Selecting a Heat Sink (Without an Air Cooling Fan)

Calculate the thermal resistance required for a heat sink when used to cool ICs and other components.

The Effect of Bias Compensation Resistors in Non-Inverting Amplifier Circuits

Calculate the effect of the bias compensation resistor on the offset voltage.

Gain of a non-inverting amplifier circuit and the optimal value of the bias compensation resistor

Calculate the resistance value for the bias compensation resistor in a non-inverting amplifier circuit to minimize the offset voltage.

Current-limiting resistor for LEDs

Calculate the optimal current-limiting resistor based on the supply voltage, the forward voltage of the LED, and the desired current through the LED.

LED current

Calculate the current flowing through the LED based on the supply voltage, forward voltage, and current-limiting resistor.

Frequency of the 555 timer (50% duty cycle)

Regarding the astable operation of the 555 timer (50% duty cycle), we will calculate the frequency based on the values of the resistor and capacitor.

Hysteresis Characteristics of a Schmitt Trigger Circuit Using an Operational Amplifier

In a Schmitt trigger circuit built using an operational amplifier, we calculate the hysteresis characteristics based on the resistance values and the operational amplifier supply voltage.

[CNC Milling] Cutting Speed

Calculate the appropriate cutting speed based on the mill's blade diameter and rotational speed Reference: https://www.ns-tool.com/ja/technology/technical_data/cutting_speed/

Calculating the Spring Constant from the Dimensions of a Compression Coil Spring

You can calculate the spring constant of coil springs sold on Amazon and other sites.

Calculating the Center-to-Center Distance of a Timing Belt

Calculate the center-to-center distance based on the number of teeth, pitch, and belt length of the large and small pulleys.