Common Emitter Amplifier DC Analysis Calculator Common Emitter Amplifier DC Analysis Calculate the operating point of a common emitter amplifier. Assumptions: \(V_{BE} \approx 0.7\,V\) and \(I_C \approx I_E\). Step 1: Enter Circuit Parameters Supply Voltage, \(V_{CC}\) (V): e.g., 12 V Base Bias Voltage, \(V_B\) (V): e.g., 2.7 V (set by the bias network) Emitter Resistor, […]
Common Base Amplifier DC Analysis Calculator Common Base Amplifier DC Analysis Calculate the operating point of a common base amplifier. Assumptions: NPN transistor with \(V_{BE} \approx 0.7\,V\) and \(I_C \approx I_E\). Step 1: Enter Parameters Supply Voltage, \(V_{CC}\) (V): e.g., 12 V Base Bias Voltage, \(V_B\) (V): e.g., 2.7 V (set by the bias network) […]
Common Collector (Emitter Follower) Calculator Calculate small-signal parameters for an emitter follower. Assumptions: Thermal voltage \(V_T\) is 0.025 V, and values are in SI units. Step 1: Enter Parameters Emitter Current, \(I_E\) (mA): e.g., 1 mA (will be converted to A) Emitter Resistor, \(R_E\) (Ω): e.g., 1000 Ω Transistor Current Gain, \(\beta\): e.g., 100 Calculate […]
Zener Diode Circuit Design Calculator Zener Diode Circuit Design Calculator Calculate the series resistor for a Zener diode regulator using: $$ R = \frac{V_S – V_Z}{I_Z + I_L} $$ * Currents are entered in mA (converted to A internally). Use SI units throughout. Step 1: Enter Circuit Parameters Supply Voltage, \(V_S\) (V): e.g., 12 V […]
T-Network Op-Amp Calculator T-Network Op-Amp Calculator Calculate the effective input resistance and closed-loop gain of an op-amp using a T-network. Effective Resistance: \( R_{\text{eff}} = R_a + \frac{R_b\, R_c}{R_b + R_c} \) Closed-loop Gain: \( A_v = -\frac{R_f}{R_{\text{eff}}} \) Step 1: Enter Resistor Values Series Resistor, \(R_a\) (Ω): e.g., 1000 Ω Resistor \(R_b\) (Ω): e.g., […]
Inverting Op-Amp Gain Calculator Inverting Op-Amp Gain Calculator Calculate the ideal and non-ideal gain for an inverting op-amp. Ideal Gain: \( A_{ideal} = -\frac{R_f}{R_{in}} \) Non-Ideal Gain: \( A_{nonideal} = \frac{-\frac{R_f}{R_{in}}}{1 + \frac{1+\frac{R_f}{R_{in}}}{A_{OL}}} \) Step 1: Enter Resistor Values and Open-Loop Gain Feedback Resistor, \(R_f\) (Ω): e.g., 4700 Ω Input Resistor, \(R_{in}\) (Ω): e.g., […]
Differential Amplifier & CMRR Calculator Differential Amplifier & CMRR Calculator Calculate the differential gain and the common mode rejection ratio (CMRR) of an op-amp differential amplifier. * Enter resistor values in ohms. Step 1: Enter Resistor Values Resistor \(R_1\) (Ω): e.g., 1000 Ω (between \(V_1\) and inverting input) Resistor \(R_2\) (Ω): e.g., 4700 Ω (feedback […]
Op-Amp Log Amplifier Calculator Op-Amp Log Amplifier Calculator Calculate the output voltage using: $$ V_{\text{out}} = -V_T \ln\left(\frac{V_{\text{in}}}{R\, I_s}\right) $$ * Ensure all inputs are in SI units: \(V_{\text{in}}\) in Volts, \(R\) in Ω, \(I_s\) in Amperes, and \(V_T\) in Volts. Step 1: Enter Parameters Input Voltage, \(V_{\text{in}}\) (V): e.g., 1 V Resistor, \(R\) (Ω): […]
Non-Inverting Op-Amp Gain Calculator Non-Inverting Op-Amp Gain Calculator Calculate the ideal and non-ideal gain for a non-inverting op-amp. * Ideal Gain: \( A_{ideal} = 1 + \frac{R_f}{R_1} \) Non-Ideal Gain: \( A_{nonideal} = \frac{1 + \frac{R_f}{R_1}}{1 + \frac{1 + \frac{R_f}{R_1}}{A_{OL}}} \) Step 1: Enter Parameters Feedback Resistor, \(R_f\) (Ω): e.g., 4700 Ω Input Resistor, […]
Common Base Amplifier Calculator (Small Signal Analysis) Common Base Amplifier Calculator Calculate key small-signal parameters for a common base amplifier. Assumption: Thermal voltage \(V_T \approx 0.025\,V\) at room temperature. Step 1: Enter Parameters Emitter Current, \(I_E\) (mA): e.g., 10 mA (will be converted to A) Collector Resistor, \(R_C\) (Ω): e.g., 4700 Ω Transistor Current Gain, […]