We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Nobody downloaded yet

Electronic stethoscope - Lab Report Example

Comments (0) Cite this document
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…
Download full paper
Electronic stethoscope
Read TextPreview

Extract of sample
Electronic stethoscope

Download file to see previous pages... 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. 0.1µF 50V Hi-Q Ceramic Disc Capacitor also operates on the same basis of the above capacitors, however, in regards to its ratings. Project Enclosure (3X2X1") has Project Box, Aluminum Lid and Plastic lid. This enclosure comprises four standoffs in the base corners to sustain a PC board. Standoffs are 1/4" far above the ground with holes that allow sharp 4 screws. Slots are available on all four sides of the apparatus to allow a PC board to be fixed horizontally or vertically alongside the length or breadth of the enclosure. Enclosure has aluminum and plastic lids. Multipurpose Pc Board with 417 Holes is a grid-style PC plank as the starting point for electronics task. It includes 417 pre-drilled punctures. The board measurements are 1.875 inches by 2.875 inches. JVC GumyEarBuds represent an improvement in comfort, fitting the ear with an exceptional curved housing. The big 0.53" (13.5mm) neodymium components in these blue earbuds convey a superior listening practice. 10K-Ohm Linear-Taper Potentiometer: B10K 17mm With Dust fasten has modifiable top with power of 1/2W, Resistance: 10K OHM OHMS, Knurled Shaft, Shaft Diameter: 6mm, Shaft Length: 10mm, Suits Most Standard knobs, Mounting Hole: 7.5mm and Base Diameter: 16mm. Hexagonal control knob 1-1/4" length by 5/8; Sold in packages of two. 1/8" Mono Panel-Mount Audio Jack; NOTE: This component does come with the anchoring nut to assist in fixing. Specifications: type: mono, with insert switch, solder connections and in housing. This 6-foot insulated cable features a 1/8" handset plug on each terminals. Shielded to safeguard signal potency and guard against buzz. Also, a 6-foot lead has a 1/8" handset plug on each terminal also insulated to preserve signal power and guard against hum. Fully Insulated 9V Battery Snap Connectors: has 9V snap connector for substitutes or projects. It has color-coded cable leads and also connects to our battery holders that possess snap connectors; it also uses replacements for projects, and its color-coded wire leads to avoid confusion and Package of 5 of the relevant elements. Enercell® Alkaline 9 Volt Battery is the source of energy (Tang, Guitao & Hao Li, 2010). How does the ...Download file to see next pagesRead More
Cite this document
  • APA
  • MLA
(“Electronic stethoscope Lab Report Example | Topics and Well Written Essays - 2500 words”, n.d.)
Retrieved de https://studentshare.org/design-technology/1404070-electronic-stethoscope
(Electronic Stethoscope Lab Report Example | Topics and Well Written Essays - 2500 Words)
“Electronic Stethoscope Lab Report Example | Topics and Well Written Essays - 2500 Words”, n.d. https://studentshare.org/design-technology/1404070-electronic-stethoscope.
  • Cited: 0 times
Comments (0)
Click to create a comment or rate a document
Electronic advertising
The document will consider information that have been researched upon in the field of marketing specifically in the area of electronic advertising. Theoretical framework This study has its base around the theory of Bagwell,2007 who had a comprehensive study on the implications of advertising on the marketing dynamics.
10 Pages(2500 words)Literature review
Frequency Response of Netwroks (Electronic Engineering)
The apparatus used were as follows; patch-board, farnell low frequency (LF) oscillator, oscilloscope (CD 1400 including 1 off CX1 449), digital voltmeter and digital frequency meter. Procedure The LF oscillator was connected in series of a capacitor and a resistor and the voltage across and current through the capacitor measured at frequencies between 1 kHz and 10 kHz.
3 Pages(750 words)Lab Report
The package consists of an extended area which is used for the connections to be made between various components. The area can be one lead or a layer of lead. The
7 Pages(1750 words)Lab Report
Down syndrome can be diagnosed at birth: the doctor can look at the appearance of the baby or listen to the baby’s chest using a stethoscope. A blood test can also be done to confirm the diagnosis by checking the extra chromosome. I chose a
1 Pages(250 words)Lab Report
Auscultation and Spirometry
This enables the lungs of the individual to move nearer to the inner wall of the backbone hence; the sounds of the lungs are easily heard. The maximum amount of air that an individual can move out of the lungs is called vital capacity (Marieb &
1 Pages(250 words)Lab Report
Sensors and Control Systems (Electrical and Electronic Engineering)
Combination transducers have both functions; they both detect and create action. E.g. an ultrasonic transducer switches back and forth many times a second
12 Pages(3000 words)Lab Report
Electrical and Electronic principles
By the end of this lab, you should be able to analyse circuit behaviour when DC or AC voltages are applied to the circuits. You are required to record all activities (observations, results and comments) in your logbook as you
2 Pages(500 words)Lab Report
Electrical and Electronic principles
Voltage decays exponentially as the current flowing through the circuit grows exponentially to its maximum value. For series of equal time periods the inductor is charged to its maximum value of which the current value will never reach
2 Pages(500 words)Lab Report
Electronic Laboratory Practise
In addition, each measurement was accompanied with accuracy measurements to account for deviations from expected values. “Resistors in series have the same current flowing
2 Pages(500 words)Lab Report
Analog electronic
The experiment was aimed at confirming this by building and testing various op-amp circuits that make use of negative feedback. The circuits are mainly built of the operational amplifier integrated circuit, and forward and feedback
3 Pages(750 words)Lab Report
Let us find you another Lab Report on topic Electronic stethoscope for FREE!
Contact us:
Contact Us Now
FREE Mobile Apps:
  • About StudentShare
  • Testimonials
  • FAQ
  • Blog
  • Free Essays
  • New Essays
  • Essays
  • The Newest Essay Topics
  • Index samples by all dates
Join us:
Contact Us