Common Drain MOSFET Amplifier Calculator Common Drain MOSFET Amplifier Calculator Calculate the small-signal voltage gain of a common drain (source follower) MOSFET amplifier. Step 1: Enter Circuit Parameters Transconductance, \(g_m\) (S) Example: \(0.002\) S (2 mS) Source Resistance, \(R_S\) (Ω) Enter the effective source resistance (if bypassed, \(R_S\) ≈ 0 and gain ≈ 1) Calculate […]
Capacitance and Inductance from Reactance Calculator Capacitance & Inductance from Reactance Calculator Compute capacitance or inductance by entering the frequency and reactance. Step 1: Enter Circuit Parameters Reactance Type Capacitive ReactanceInductive Reactance Frequency, \(f\) (Hz) Reactance, \(X\) (Ω) Calculate Results Recalculate For Capacitive Reactance: $$ C = \frac{1}{2\pi f X_C} $$ For Inductive Reactance: $$ […]
MOSFET Drain–Gate RD from Iout Calculator MOSFET Drain–Gate RD from Iout Calculator Calculate the required drain resistor \(R_D\) from the desired output voltage and current. Step 1: Enter Circuit Parameters Supply Voltage, \(V_{DD}\) (V) Example: 5 V Desired Output Voltage, \(V_{out}\) (V) Example: 3 V (must be less than \(V_{DD}\)) Output Current, \(I_{out}\) (A) Example: […]
MOSFET Drain–Gate RD Calculator MOSFET Drain–Gate RD Calculator Find the drain resistor \(R_D\) required to achieve a desired output voltage \(V_{out}\) in a diode-connected MOSFET. Step 1: Enter Circuit Parameters Supply Voltage, \(V_{DD}\) (V) Example: 5 V Desired Output Voltage, \(V_{out}\) (V) \(V_{out}\) should be greater than \(V_{TH}\) Threshold Voltage, \(V_{TH}\) (V) Example: 1 V […]
p-Channel JFET Linear Region Calculator p-Channel JFET Linear Region Calculator Calculate the output (drain) current of a p-channel JFET in the linear region. Step 1: Enter JFET Parameters \(I_{DSS}\) (A) Example: \(5 \times 10^{-3}\) A Pinch-off Voltage, \(V_P\) (V) Enter as a positive value (for p-channel, this represents \(|V_P|\)) Source-to-Gate Voltage, \(V_{SG}\) (V) Example: 4 […]
MOSFET Drain-Gate Circuit Calculator MOSFET Drain-Gate Circuit Calculator Determine \(V_{out}\) and \(I_{out}\) for a diode-connected MOSFET. Step 1: Enter Circuit Parameters Supply Voltage, \(V_{DD}\) (V) Example: 5 V Drain Resistor, \(R_D\) (Ω) Example: 10 kΩ Process Parameter, \(k’\) (A/V²) Example: 0.001 A/V² \(W/L\) Ratio Dimensionless Threshold Voltage, \(V_{TH}\) (V) Example: 1 V Calculate \(V_{out}\) and […]
Common Source MOSFET Amplifier Calculator Common Source MOSFET Amplifier Calculator Calculate the small-signal voltage gain of a common source MOSFET amplifier. Step 1: Enter Circuit Parameters Transconductance, \(g_m\) (S) Example: 0.002 S (2 mS) Drain Resistor, \(R_D\) (\(\Omega\)) Example: 10000 \(\Omega\) (10 kΩ) Source Resistor, \(R_S\) (\(\Omega\)) Enter 0 if a bypass capacitor is used. […]
Density of States per Unit Volume Calculator Density of States Calculator Calculate the density of states per unit volume in a solid. Step 1: Enter Parameters Effective Mass, \(m\) (kg) Default: \(9.11 \times 10^{-31}\) kg (free electron mass) Energy, \(E\) (J) Example: \(1 \times 10^{-19}\) J Calculate Density of States Calculated Density of States Density […]
Particle in a 1-D Box Energy Calculator Calculate the energy levels of a particle confined in a one-dimensional box. Step 1: Enter Parameters Mass, \(m\) (kg) Example: \(9.11 \times 10^{-31}\) kg for an electron Box Width, \(L\) (m) Example: \(1 \times 10^{-10}\) m Quantum Number, \(n\) Enter an integer \(n \geq 1\) Calculate Energy Calculated […]
Newton’s Law of Cooling Calculator Newton’s Law of Cooling Calculator Calculate the temperature of an object at a given time using Newton’s Law of Cooling. Step 1: Enter Parameters Ambient Temperature, \(T_{\text{env}}\) (°C) Initial Temperature, \(T_0\) (°C) Cooling Constant, \(k\) (s\(^{-1}\)) A typical value depends on the object and environment. Time, \(t\) (s) Example: 600 […]