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LM358 100 times gain Signal amplification amplifier Operational Amplifier Module

LM358 100 times gain Signal amplification amplifier Operational Amplifier Module

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Product SKU: KG623

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Specification

Description

The LM358 is a widely used operational amplifier (op-amp) integrated circuit. It's known for its versatility and is commonly employed in various analog signal processing applications. When configured appropriately, it can provide significant signal amplification. The statement "100 times gain Signal amplification amplifier Operational Amplifier Module" suggests the use of an LM358-based module designed for amplifying signals by a factor of 100.

LM358 Operational Amplifier:

Op-Amp Type: The LM358 is a dual-operational amplifier, meaning it contains two independent op-amps within a single package.

Voltage Gain: The voltage gain of an op-amp circuit is determined by the external components and feedback network used in the circuit. In this case, it's configured to achieve a gain of 100.

Common Mode Rejection Ratio (CMRR): The LM358 has a moderate CMRR, which means it can reject common-mode signals to a certain extent.

Input and Output Range: The input and output range of the LM358 typically depends on the power supply voltage used. For instance, if powered with a dual supply of ±15V, the output voltage range can approach the rails.

100x Gain Signal Amplification:

To achieve a 100 times gain (or 40 dB gain), you would typically set up the LM358 in an inverting amplifier configuration. This involves using external resistors to determine the amplification factor. The specific resistor values would depend on the exact circuit design and the input and output impedance requirements.

Operational Amplifier Module:

The module you mentioned likely incorporates an LM358 op-amp along with supporting components (such as resistors and capacitors) on a PCB (Printed Circuit Board). This module simplifies the process of using the op-amp for signal amplification, making it easier for hobbyists and engineers to incorporate into their projects.

Common Uses:

Audio Amplification: This configuration can be used for amplifying audio signals, for example, in small audio amplifiers.

Signal Conditioning: It can be used to amplify weak sensor signals, making them more easily processed by microcontrollers or other downstream electronics.

Instrumentation Amplifiers: In applications where precise amplification of low-level signals is required, configurations like this can be used.

Filters: In combination with passive components, op-amps can be used to create active filters with specific frequency response characteristics.

Amplification for Microcontrollers: Op-amps can be used to scale and condition signals before they are read by microcontrollers.