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## Finite input resistance of small-signal operation of current mirrors in terms of transconductance Solution

STEP 0: Pre-Calculation Summary
Formula Used
finite_input_resistance = 1/MOSFET Transconductance
rπ = 1/gm
This formula uses 1 Variables
Variables Used
MOSFET Transconductance - MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage. (Measured in Microsiemens)
STEP 1: Convert Input(s) to Base Unit
MOSFET Transconductance: 0.25 Microsiemens --> 2.5E-07 Siemens (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
rπ = 1/gm --> 1/2.5E-07
Evaluating ... ...
rπ = 4000000
STEP 3: Convert Result to Output's Unit
4000000 Ohm --> No Conversion Required
4000000 Ohm <-- Finite input resistance
(Calculation completed in 00.016 seconds)

## < 10+ Building Blocks of Integrated-Circuit Amplifiers Calculators

Output current of the IC Amplifier when incremental voltage is given
output_current = (Aspect ratio 2/Aspect Ratio)*Reference current*(1+(Threshold voltage-Voltage between gate and source)/Incremental Voltage) Go
Current transfer ratio of IC Amplifier in terms of β
output_current = Reference current*(Current transfer ratio/(1+(Current transfer ratio+1)/Common emitter current gain)) Go
Output current of IC Amplifier when Io = Ic
output_current = (Reference current*Collector current)/(Collector current*(1+(2/Common emitter current gain))) Go
Current transfer ratio of IC Amplifier
output_current = Reference current*(Electric Current in Conductor 2/Electric Current in Conductor 1) Go
Output current of the IC amplifier
output_current = Reference current*(Aspect ratio 2/Aspect Ratio) Go
Finite output resistance of IC Amplifier
finite_output_resistance = Change in threshold voltage/Change in current Go
Output current of IC amplifier in terms of β
output_current = Reference current/(1+2/Common emitter current gain) Go
Finite output resistance of the IC Amplifier in terms of output resistance
finite_output_resistance = Incremental Voltage/output current Go
Output current in terms of the reference current
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Finite output resistance of the IC Amplifier in terms of the output resistance
finite_output_resistance = 1*Incremental output resistance Go

### Finite input resistance of small-signal operation of current mirrors in terms of transconductance Formula

finite_input_resistance = 1/MOSFET Transconductance
rπ = 1/gm

## What is meant by IC? How many types of IC are there?

Integrated circuit (IC), also called microelectronic circuit, microchip, or chip, an assembly of electronic components, fabricated as a single unit, in which miniaturized active devices (e.g., transistors and diodes) and passive devices (e.g., capacitors and resistors). There are two main types of integrated circuits: digital ICs or analog ICs.

## How to Calculate Finite input resistance of small-signal operation of current mirrors in terms of transconductance?

Finite input resistance of small-signal operation of current mirrors in terms of transconductance calculator uses finite_input_resistance = 1/MOSFET Transconductance to calculate the Finite input resistance, The Finite input resistance of small-signal operation of current mirrors in terms of transconductance formula is defined as the ratio of finite output resistance and the MOSFET transconductance which is nearly equal to the transconductance. Finite input resistance and is denoted by rπ symbol.

How to calculate Finite input resistance of small-signal operation of current mirrors in terms of transconductance using this online calculator? To use this online calculator for Finite input resistance of small-signal operation of current mirrors in terms of transconductance, enter MOSFET Transconductance (gm) and hit the calculate button. Here is how the Finite input resistance of small-signal operation of current mirrors in terms of transconductance calculation can be explained with given input values -> 4.000E+6 = 1/2.5E-07.

### FAQ

What is Finite input resistance of small-signal operation of current mirrors in terms of transconductance?
The Finite input resistance of small-signal operation of current mirrors in terms of transconductance formula is defined as the ratio of finite output resistance and the MOSFET transconductance which is nearly equal to the transconductance and is represented as rπ = 1/gm or finite_input_resistance = 1/MOSFET Transconductance. MOSFET Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage.
How to calculate Finite input resistance of small-signal operation of current mirrors in terms of transconductance?
The Finite input resistance of small-signal operation of current mirrors in terms of transconductance formula is defined as the ratio of finite output resistance and the MOSFET transconductance which is nearly equal to the transconductance is calculated using finite_input_resistance = 1/MOSFET Transconductance. To calculate Finite input resistance of small-signal operation of current mirrors in terms of transconductance, you need MOSFET Transconductance (gm). With our tool, you need to enter the respective value for MOSFET Transconductance 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 Finite input resistance?
In this formula, Finite input resistance uses MOSFET Transconductance. We can use 10 other way(s) to calculate the same, which is/are as follows -
• output_current = Reference current*(Aspect ratio 2/Aspect Ratio)
• finite_output_resistance = Change in threshold voltage/Change in current
• finite_output_resistance = 1*Incremental output resistance
• finite_output_resistance = Incremental Voltage/output current
• output_current = (Aspect ratio 2/Aspect Ratio)*Reference current*(1+(Threshold voltage-Voltage between gate and source)/Incremental Voltage)
• output_current = Reference current*(Electric Current in Conductor 2/Electric Current in Conductor 1)
• output_current = Current transfer ratio*Reference current
• output_current = (Reference current*Collector current)/(Collector current*(1+(2/Common emitter current gain)))
• output_current = Reference current/(1+2/Common emitter current gain)
• output_current = Reference current*(Current transfer ratio/(1+(Current transfer ratio+1)/Common emitter current gain))
Where is the Finite input resistance of small-signal operation of current mirrors in terms of transconductance calculator used?
Among many, Finite input resistance of small-signal operation of current mirrors in terms of transconductance calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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