Common Gate MOSFET Amplifier DC Analysis Calculate the drain current \(I_D\) and (optionally) the drain-to-gate voltage \(V_{DG}\) for a MOSFET in saturation. * Enter voltages with their signs as needed. If you don’t need \(V_{DG}\), set \(V_{+}=0\). Step 1: Enter Biasing Parameters Gate Voltage, \(V_G\) (V) e.g., 2 V Source Voltage, \(V_S\) (V) e.g., 0 […]
Maximum Space Charge Width Calculator Maximum Space Charge Width Calculator Calculate the maximum depletion (space charge) width of a MOSFET. Step 1: Enter Semiconductor Parameters Semiconductor Permittivity, \(\epsilon_s\) (F/m) For silicon, approximately \(1.035 \times 10^{-10}\) F/m Fermi Potential, \(\phi_f\) (V) Typical value: 0.3 V Doping Concentration, \(N_A\) (cm\(^{-3}\)) Example: \(1 \times 10^{16}\) cm\(^{-3}\) Calculate Maximum […]
Cake Price Calculator Cake Price Calculator Estimate your cake’s price based on its diameter, cost per serving, and extra decoration cost. Step 1: Enter Cake Details Cake Diameter (inches) Cost per Serving ($) Extra Decoration Cost ($) Calculate Cake Price Cake Price Estimate Estimated Number of Servings: Estimated Cake Price: Recalculate
College Cost Calculator College Cost Calculator Estimate your net college cost after subtracting financial aid. Step 1: Enter Your Expenses Tuition & Fees ($) Room & Board ($) Books & Supplies ($) Other Expenses ($) Step 2: Enter Your Financial Aid Total Grants & Scholarships ($) Calculate Net Cost Your Net College Cost Total College […]
Spherical Capacitance Calculator Spherical Capacitance Calculator Calculate the capacitance of an isolated sphere. Step 1: Enter Sphere Details Sphere Radius, \(R\) (m) Relative Permittivity, \(\epsilon_r\) For air, \(\epsilon_r \approx 1\). For other materials, use the appropriate value. Calculate Capacitance Calculated Capacitance Capacitance \(C\): Recalculate Capacitance Formula: $$ C = 4\pi\,\epsilon_0\,\epsilon_r\,R $$ where \( \epsilon_0 = […]
Parallel Plate Capacitor Calculator Parallel Plate Capacitor Calculator Calculate the capacitance of a parallel plate capacitor. Step 1: Enter Plate Details Plate Length, \(L\) (m) Plate Width, \(W\) (m) Plate Separation, \(d\) (m) Relative Permittivity, \(\epsilon_r\) For air, \(\epsilon_r \approx 1\); for other materials, use the appropriate value. Calculate Capacitance Calculated Capacitance Capacitance \(C\): Recalculate […]
Circular Disk Capacitance Calculator Circular Disk Capacitance Calculator Calculate the self-capacitance of an isolated circular disk. Step 1: Enter Disk Details Disk Radius, \(R\) (m) Relative Permittivity, \(\epsilon_r\) For air, use \(\epsilon_r \approx 1\). Use a different value for other materials. Calculate Capacitance Calculated Capacitance Capacitance \(C\): Recalculate Capacitance Formula: $$ C \approx 8 \, […]
Multiple Parallel Plates Capacitor Calculator Multiple Parallel Plates Capacitor Calculator Calculate the effective capacitance of a multi-plate capacitor. The calculator uses the formula: $$ C_{eq} = \left(\frac{n-1}{2}\right) \frac{\epsilon_0\, \epsilon_r\, A}{d} $$ \(C_{eq}\): Effective Capacitance (F) \(\epsilon_0\): Vacuum permittivity \(\left(8.854 \times 10^{-12}\,\text{F/m}\right)\) \(\epsilon_r\): Relative permittivity (dielectric constant) \(A\): Plate area (m²) \(d\): Separation between adjacent plates […]
Momentum, Kinetic Energy & de Broglie Wavelength Calculator Momentum, Kinetic Energy & de Broglie Calculator Compute the momentum, kinetic energy, and de Broglie wavelength of a particle. Step 1: Enter Particle Parameters Mass, \(m\) (kg) Example: \(1 \times 10^{-30}\) kg Velocity, \(v\) (m/s) Example: \(1 \times 10^{6}\) m/s Calculate Results Results Momentum, \(p\): Kinetic Energy, […]
Common Gate MOSFET Amplifier Calculator Common Gate MOSFET Amplifier Calculator Calculate the small-signal voltage gain of a common gate (CG) MOSFET amplifier. Step 1: Enter Circuit Parameters Transconductance, \(g_m\) (S) Example: \(0.002\) S (2 mS) Drain Resistor, \(R_D\) (Ω) Example: \(10\,\text{k}\Omega\) Source Resistor, \(R_S\) (Ω) Enter 0 if the source is bypassed. Calculate Voltage Gain […]