Collector Base Junction Resistance of CE Amplifier Calculator

✖Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.ⓘ Signal Resistance [R_sig]			+10% -10%
✖Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.ⓘ Transconductance [g_m]			+10% -10%
✖Load resistance is the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit.ⓘ Load Resistance [R_L]			+10% -10%

✖Collector Resistance refers to the resistance that is present in the collector circuit of a transistor.ⓘ Collector Base Junction Resistance of CE Amplifier [R_c]

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Formula

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Collector Base Junction Resistance of CE Amplifier

Formula

R c = R sig \cdot (1 + g m \cdot R L) + R L

Example

11.68 kΩ = 1.25 kΩ \cdot (1 + 4.8 mS \cdot 1.49 kΩ) + 1.49 kΩ

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Collector Base Junction Resistance of CE Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance
R_c = R_sig*(1+g_m*R_L)+R_L
This formula uses 4 Variables

Variables Used

Collector Resistance - (Measured in Ohm) - Collector Resistance refers to the resistance that is present in the collector circuit of a transistor.
Signal Resistance - (Measured in Ohm) - Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.
Transconductance - (Measured in Siemens) - Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.
Load Resistance - (Measured in Ohm) - Load resistance is the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit.

STEP 1: Convert Input(s) to Base Unit

Signal Resistance: 1.25 Kilohm --> 1250 Ohm (Check conversion here)
Transconductance: 4.8 Millisiemens --> 0.0048 Siemens (Check conversion here)
Load Resistance: 1.49 Kilohm --> 1490 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_c = R_sig*(1+g_m*R_L)+R_L --> 1250*(1+0.0048*1490)+1490

Evaluating ... ...

R_c = 11680

STEP 3: Convert Result to Output's Unit

11680 Ohm -->11.68 Kilohm (Check conversion here)

FINAL ANSWER

11.68 Kilohm <-- Collector Resistance

(Calculation completed in 00.004 seconds)

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< Response of CE Amplifier Calculators

Input Capacitance in High-Frequency Gain of CE Amplifier

Go Input Capacitance = Collector Base Junction Capacitance+Base Emitter Capacitance*(1+(Transconductance*Load Resistance))

High-Frequency Gain of CE Amplifier

Go High Frequency Response = Upper 3-dB Frequency/(2*pi)

Upper 3dB Frequency of CE Amplifier

Go Upper 3-dB Frequency = 2*pi*High Frequency Response

Mid Band Gain of CE Amplifier

Go Mid Band Gain = Output Voltage/Threshold Voltage

< Common Stage Amplifiers Calculators

Effective High Frequency Time Constant of CE Amplifier

Go Effective High Frequency Time Constant = Base Emitter Capacitance*Signal Resistance+(Collector Base Junction Capacitance*(Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance))+(Capacitance*Load Resistance)

High-Frequency Band given Complex Frequency Variable

Go Amplifier Gain in Mid Band = sqrt(((1+(3 dB Frequency/Frequency))*(1+(3 dB Frequency/Frequency Observed)))/((1+(3 dB Frequency/Pole Frequency))*(1+(3 dB Frequency/Second Pole Frequency))))

Collector Base Junction Resistance of CE Amplifier

Go Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance

Amplifier Bandwidth in Discrete-Circuit Amplifier

Go Amplifier Bandwidth = High Frequency-Low Frequency

Collector Base Junction Resistance of CE Amplifier Formula

Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance
R_c = R_sig*(1+g_m*R_L)+R_L

What is the bandwidth of an ideal op amp?

An ideal op-amp exhibits zero output resistance so that output can drive an infinite number of other devices. Explanation: An ideal op-amp has infinite bandwidth. Therefore, any frequency signal from 0 to ∞ Hz can be amplified without attenuation.

How to Calculate Collector Base Junction Resistance of CE Amplifier?

Collector Base Junction Resistance of CE Amplifier calculator uses Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance to calculate the Collector Resistance, The Collector base junction resistance of CE amplifier formula is defined as a measure of the opposition to current flow in an electrical circuit. Collector Resistance is denoted by R_c symbol.

How to calculate Collector Base Junction Resistance of CE Amplifier using this online calculator? To use this online calculator for Collector Base Junction Resistance of CE Amplifier, enter Signal Resistance (R_sig), Transconductance (g_m) & Load Resistance (R_L) and hit the calculate button. Here is how the Collector Base Junction Resistance of CE Amplifier calculation can be explained with given input values -> 0.011743 = 1250*(1+0.0048*1490)+1490.

FAQ

What is Collector Base Junction Resistance of CE Amplifier?

The Collector base junction resistance of CE amplifier formula is defined as a measure of the opposition to current flow in an electrical circuit and is represented as R_c = R_sig*(1+g_m*R_L)+R_L or Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance. Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier, Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device & Load resistance is the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit.

How to calculate Collector Base Junction Resistance of CE Amplifier?

The Collector base junction resistance of CE amplifier formula is defined as a measure of the opposition to current flow in an electrical circuit is calculated using Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance. To calculate Collector Base Junction Resistance of CE Amplifier, you need Signal Resistance (R_sig), Transconductance (g_m) & Load Resistance (R_L). With our tool, you need to enter the respective value for Signal Resistance, Transconductance & Load Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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