Audio output amplifier / converter -- 2
$30-250 AUD
Paid on delivery
Requirements:
1. Connect the engineered device to the mobile phone's jack output
2. The device has to have an analog button to amplify the signal (like the volume button on a radio). Amplify the voltage, range 10V-100V.
3. Another button / switch to change the sinus sound waves to square waves. (on or off)
The power source of the device is a small battery (Li-ion, AA or 9V).
The output is also a jack socket (mono).
Project ID: #11156645
About the project
9 freelancers are bidding on average $325 for this job
Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent high frequency transformers design, circuits design, Regulated More
I have over 35 years experience as an electronic design engineer, please see my profile for more details The current price and timescales are only place holders to allow me to communicate with you Do you want just a More
we will help you with your project we will give you full tested circuit which can be reliable and fully tested , usually we take long duration in your case 18 because we test the circuit before giving to our users, hat More
I am an electrical engineer with considerable experience in electronics and pcb design. I am confident that i can provide you the requisite design. Contact me and we can discuss it further
Greetings, Interesting application indeed. You are looking for an amplification > 1000, controlled by some kind of potentiometer so that you get your wheel control (similar to volume control). In addition you want a More
Hello! Nice to meet you partner, I am an electronic engineer, I can do this job for you of many ways. For more details please contact me by chat.
I'm Ravi good at this kind of work. Having 4+ years of professional experience! Good communicator; Easily understand customer's need. You'll get your work on time with high quality is my motto! Just give a project and More