Analoge Super Preamp for Microphone ... Only expert please

Closed Posted 7 years ago Paid on delivery
Closed Paid on delivery

As from project name

what I want is following :

a super preamp with lowest components , no need for digital part , all analog part such as resistor , cap and opamps ..

also the specification also , it should work with 3.3v and lowest current consumption with also lowest components ,,the freelancer should design and simulate the design , if it is ok , he need to order this components and test it , after half payment done , I need to build it in my side also to test it ..

the budget is flexible as the project go

Electrical Engineering Electronics Engineering Microcontroller PCB Layout

Project ID: #10889997

About the project

10 proposals Remote project Active 7 years ago

10 freelancers are bidding on average $374 for this job

shahbaz1980

Hello, Have a great day. We are startup company offering services to develop the electronic devices. We will ship you fully tested and working hardware. As we guess you need to digitize the sound signal, The ADC Ref More

$750 USD in 30 days
(85 Reviews)
7.2
mocuZ

Dear Valued Employer, My name is Martin Botsov and I am an engineering physicist with extensive experience in the field of circuit design, circuit prototyping and PCB design. My experience in the audio field cover More

$398 USD in 42 days
(17 Reviews)
5.6
Magicspell

Hi, I have been working in the field of embedded system for 2.5+ years. I am interested on this project. Thank you!

$227 USD in 5 days
(13 Reviews)
4.6
saminatinny

A proposal has not yet been provided

$333 USD in 7 days
(6 Reviews)
4.4
joraja15

provides high-performance PCB physical design (layout).Our capabilities encompass the full design flow from start to finish including schematic capture, library development, data base construction and verification. Co More

$400 USD in 7 days
(1 Review)
0.4
JEBUMON

A proposal has not yet been provided

$333 USD in 10 days
(0 Reviews)
0.0
PCBHQ

Hello Sir This should be really simple project I can do it in a few days. We can run some simulation on proteus, and i can make some breadboard testing for you. We can measure total THD gain, noise and so on depend More

$227 USD in 10 days
(1 Review)
0.0
danielbelarmino

Hi, I have preamp circuit designs using ultra-low noise opamps, ill let you choose what opamp from the list below satisfy your goal according to supply voltage and current consumption OPA209 - noise(2.2nV/Hz^-2), cons More

$388 USD in 5 days
(0 Reviews)
0.0