Electronic stethoscope - Lab Report Example

Only on StudentShare

Extract of sample
Electronic stethoscope

Components functions LM386 Low Voltage Audio Power Amplifier is an auditory amplifier designed for exploitation in low electrical energy consumer purpose which provides both current gain and voltage for signals. Hence, power amp with variable gain is considered with the assistance of op-amp LM386. It acts as a low-noise microphone pre-amp. Its gain is approximately 3.9 because the high productivity impedance of the exhaust of the FET within the electrets microphone makes efficient input resistor to be approximately 12.2K. MPF102 Transistors’ purpose is to manage current by an electric field; voltage produces only a small raise in drain current. 1K Ohm 1/4-Watt Carbon Film Resistor provides accurate amounts of resistance in electric circuits. Resistors are marked both in regards to their resistance (1K ohms) and their capability to dissipate high temperature energy (1/4-watts). 1M Ohm 1/4-Watt Carbon Film Resistor refers to 1M ohm resistance and a quarter heat dissipation. 10 ohm 1/4W 5% Carbon Film Resistor and 4.7K Ohm 1/4-Watt Carbon Film Resistor likewise give the corresponding resistance and dissipation. (x2) 0.047µF 50V 10% PC-Mount Capacitor separates the microphone route from the LM324 quadruple functioning amplifier. This way, the LM386 can operate at the full 12 V without hindering the voltage of the microphone circuit. ...
Download paper


Name: Institution: Course: Topic: Date: Introduction This is a project aimed at designing an electronic stethoscope. The circuit is built using a PC board and battery as source of power. Resistors, ohms and capacitors are used to regulate voltage and current flow…
Author : nfritsch

Related Essays

Fashion and style in United States
6 pages (1506 words) Essay
Electronic Policing
2 pages (502 words) Essay
Every healthcare facilty should utilize the electronic medication administrtion record to help reduce medication errors.
5 pages (1255 words) Essay
Electronic Displays
8 pages (2008 words) Essay
Electronic Communication Essay
6 pages (1506 words) Essay
Electric Medical Records
3 pages (753 words) Essay
E-Business In The Context Of Galaxy Electronic Inc.
10 pages (2510 words) Essay
The Report of created app
8 pages (2008 words) Essay
One page summary of latest technology in battery for electric vehicles
1 pages (251 words) Research Proposal
Got a tricky question? Receive an answer from students like you! Try us!