Voltage Divider Calculator Voltage Divider Calculator Calculate the output voltage using \(V_{out} = V_{in}\frac{R_2}{R_1+R_2}\). Enter Input Parameters Input Voltage, \(V_{in}\) (V): Resistor \(R_1\) (Ω): Resistor \(R_2\) (Ω): Calculate \(V_{out}\) Calculated Output Voltage \(V_{out}\): Recalculate Voltage Divider Formula: $$ V_{out} = V_{in}\,\frac{R_2}{R_1+R_2} $$
Antenna 3 dB Beamwidth Calculator Calculate the half-power (3 dB) beamwidth in degrees for a circular aperture antenna. Step 1: Enter Antenna Parameters Wavelength, \(\lambda\) (m) e.g., 0.03 m (corresponds to 10 GHz) Aperture Diameter, \(D\) (m) e.g., 0.5 m Calculate Beamwidth Calculated 3 dB Beamwidth Beamwidth, \(\theta_{3dB}\) (degrees): Recalculate 3 dB Beamwidth: $$ \theta_{3dB} […]
n-Channel JFET Linear Region I–V Calculator n-Channel JFET Linear Region I–V Calculator Calculate the drain current \(I_D\) of an n-channel JFET operating in the linear (ohmic) region. * Ensure that \(V_{GS} > V_P\) and \(V_{DS} < (V_{GS} - V_P)\). Please enter voltages with their proper signs. Step 1: Enter JFET Parameters Drain-Source Saturation Current, \(I_{DSS}\) […]
Self-Biased Common Drain MOSFET DC Analysis Calculator Self-Biased Common Drain MOSFET DC Analysis This calculator computes the DC drain current \(I_{DQ}\) and the drain-to-source voltage \(V_{DS}\) for a self-biased common drain (source follower) MOSFET amplifier. * Please enter all voltages with their appropriate signs. Set \(V_{DD}=0\) if \(V_{DS}\) (and \(V_{DG}\)) is not required. Step 1: […]
n-Channel JFET Saturation Calculator Calculate the drain current \(I_D\), transconductance \(g_m\), and output resistance \(r_{ds}\) for an n-channel JFET in saturation mode. * Ensure \(V_{GS} > V_P\) (both as negative numbers, e.g. \(V_{GS}=-2\,V\) and \(V_P=-4\,V\)). * If no channel-length modulation is assumed, leave \(\lambda = 0\) (then \(r_{ds}\) is infinite). Step 1: Enter JFET Parameters […]
PMOS Triode Mode I–V Calculator PMOS Triode Mode I–V Calculator Calculate the drain current \(I_D\) for a PMOS transistor operating in the triode region. * Enter voltages as positive magnitudes. Ensure \(V_{SG} > V_{TP}\) and \(V_{SD} < V_{SG} - V_{TP}\). Step 1: Enter PMOS Parameters Source-to-Gate Voltage, \(V_{SG}\) (V) e.g., 3.0 V Threshold Voltage, \(V_{TP}\) […]
NMOS Triode Mode I–V Calculator NMOS Triode Mode I–V Calculator Calculate the drain current \(I_D\) for an NMOS transistor operating in the triode region. * Ensure that \(V_{GS} > V_{TN}\) and \(V_{DS} < V_{GS} - V_{TN}\). Step 1: Enter Transistor Parameters Gate-to-Source Voltage, \(V_{GS}\) (V) e.g., 2.5 V Threshold Voltage, \(V_{TN}\) (V) e.g., 1 V […]
PMOS Saturation I–V & Transconductance Calculator PMOS Saturation I–V & Transconductance Calculator Calculate the drain current \(I_D\) and transconductance \(g_m\) for a PMOS in saturation mode. * Ensure that \(V_{SG} > V_{TP}\). (Enter voltages as positive numbers) Step 1: Enter PMOS Parameters Source-to-Gate Voltage, \(V_{SG}\) (V) e.g., 3.0 V Threshold Voltage, \(V_{TP}\) (V) e.g., 1.0 […]
NMOS Saturation I-V & Transconductance Calculator NMOS Saturation I–V & Transconductance Calculator Calculate the drain current \(I_D\) and transconductance \(g_m\) of an NMOS in saturation mode. * Ensure that \(V_{GS} > V_{TN}\) and \(V_{DS} > V_{GS} – V_{TN}\). Step 1: Enter NMOS Parameters Gate-Source Voltage, \(V_{GS}\) (V) e.g., 2.5 V Threshold Voltage, \(V_{TN}\) (V) e.g., […]
Self-Biased CS MOSFET DC Analysis Calculator Self-Biased CS MOSFET DC Analysis Calculate the DC drain current \(I_{DQ}\) and drain-to-source voltage \(V_{DS}\) for a self-biased common source MOSFET amplifier in saturation mode. * Please enter all voltages with their appropriate signs. Set \(V_{DD}=0\) if \(V_{DS}\) is not required. Step 1: Enter Biasing Parameters Supply Voltage, \(V_{DD}\) […]