Resistance between Gate and Source of CG Amplifier Calculator

✖Finite input resistance is the finite resistance seen by the current source or voltage source which drives the circuit.ⓘ Finite Input Resistance [R_in]			+10% -10%
✖Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.ⓘ Signal Resistance [R_sig]			+10% -10%

✖Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.ⓘ Resistance between Gate and Source of CG Amplifier [R_t]

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Resistance between Gate and Source of CG Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance)
R_t = 1/(1/R_in+1/R_sig)
This formula uses 3 Variables

Variables Used

Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.
Finite Input Resistance - (Measured in Ohm) - Finite input resistance is the finite resistance seen by the current source or voltage source which drives the circuit.
Signal Resistance - (Measured in Ohm) - Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.

STEP 1: Convert Input(s) to Base Unit

Finite Input Resistance: 0.78 Kilohm --> 780 Ohm (Check conversion here)
Signal Resistance: 1.25 Kilohm --> 1250 Ohm (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_t = 1/(1/R_in+1/R_sig) --> 1/(1/780+1/1250)

Evaluating ... ...

R_t = 480.295566502463

STEP 3: Convert Result to Output's Unit

480.295566502463 Ohm -->0.480295566502463 Kilohm (Check conversion here)

FINAL ANSWER

0.480295566502463 ≈ 0.480296 Kilohm <-- Resistance

(Calculation completed in 00.004 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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National Institute Of Technology (NIT), Hamirpur

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< Response of CG Amplifier Calculators

Open Circuit Time Constant in High Frequency Response of CG Amplifier

LaTeX Go Open Circuit Time Constant = Gate to Source Capacitance*(1/Signal Resistance+Transconductance)+(Capacitance+Gate to Drain Capacitance)*Load Resistance

Input Resistance of CG Amplifier

LaTeX Go Resistance = (Finite Input Resistance+Load Resistance)/(1+(Transconductance*Finite Input Resistance))

Second Pole-Frequency of CG Amplifier

LaTeX Go Second Pole Frequency = 1/(2*pi*Load Resistance*(Gate to Drain Capacitance+Capacitance))

Open Circuit Time Constant between Gate and Drain of Common Gate Amplifier

LaTeX Go Open Circuit Time Constant = (Capacitance+Gate to Drain Capacitance)*Load Resistance

< Common Stage Amplifiers Calculators

Effective High Frequency Time Constant of CE Amplifier

LaTeX 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

LaTeX 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

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

Amplifier Bandwidth in Discrete-Circuit Amplifier

LaTeX Go Amplifier Bandwidth = High Frequency-Low Frequency

Resistance between Gate and Source of CG Amplifier Formula

LaTeX Go

Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance)
R_t = 1/(1/R_in+1/R_sig)

What is CG amplifier?

In electronics, a common-gate amplifier is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a current buffer or voltage amplifier. In this circuit the source terminal of the transistor serves as the input, the drain is the output and the gate is connected to the ground, or "common," hence its name. The analogous bipolar junction transistor circuit is the common-base amplifier.

How to Calculate Resistance between Gate and Source of CG Amplifier?

Resistance between Gate and Source of CG Amplifier calculator uses Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance) to calculate the Resistance, The Resistance between gate and source of CG amplifier formula is defined as an important parameter in the design of a transistor amplifier and as such allows amplifiers to be characterized according to their effective input and output impedances as well as their power and current ratings. Resistance is denoted by R_t symbol.

How to calculate Resistance between Gate and Source of CG Amplifier using this online calculator? To use this online calculator for Resistance between Gate and Source of CG Amplifier, enter Finite Input Resistance (R_in) & Signal Resistance (R_sig) and hit the calculate button. Here is how the Resistance between Gate and Source of CG Amplifier calculation can be explained with given input values -> 0.00048 = 1/(1/780+1/1250).

FAQ

What is Resistance between Gate and Source of CG Amplifier?

The Resistance between gate and source of CG amplifier formula is defined as an important parameter in the design of a transistor amplifier and as such allows amplifiers to be characterized according to their effective input and output impedances as well as their power and current ratings and is represented as R_t = 1/(1/R_in+1/R_sig) or Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance). Finite input resistance is the finite resistance seen by the current source or voltage source which drives the circuit & Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.

How to calculate Resistance between Gate and Source of CG Amplifier?

The Resistance between gate and source of CG amplifier formula is defined as an important parameter in the design of a transistor amplifier and as such allows amplifiers to be characterized according to their effective input and output impedances as well as their power and current ratings is calculated using Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance). To calculate Resistance between Gate and Source of CG Amplifier, you need Finite Input Resistance (R_in) & Signal Resistance (R_sig). With our tool, you need to enter the respective value for Finite Input Resistance & Signal Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Resistance?

In this formula, Resistance uses Finite Input Resistance & Signal Resistance. We can use 3 other way(s) to calculate the same, which is/are as follows -

Resistance = (Finite Input Resistance+Load Resistance)/(1+(Transconductance*Finite Input Resistance))
Resistance = Test Voltage/Test Current
Resistance = (Finite Input Resistance+Load Resistance)/(1+(Transconductance*Finite Input Resistance))

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