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Electronics engineering design modification

Hi! I'm looking for someone to design a modification to an off the shelf product. Basically I need a set of headphones that I can use to listen to the output of a very high impedancfe sensor. I am expecting that we can use a set of off the shelf headphones with active noise cancellation, and modify the circuit to have a very high imput impedance.

I can send samples of the off the shelf headphones I want to use. I haven't pulled them apart yet, but basically someone needs to:

1. Pull apart a set of headphones

2. Reverse engineer the circuit's input stage to work out what the impedance is when the unit is "on"

3. Work out if we can do it with just a resistor change or if we need to put in more active components

I am an electronics engineer and quite capable of doing this myself, I just want to gain the experience in outsourcing it and form a relationship with someone who can do other electronics design work, including PCB layout, schematic entry and so on. This is a fairly simple project so it's a good one to test with.

Thank you!

Kỹ năng: Kĩ thuật điện, Điện tử

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Về Bên Thuê:
( 1 nhận xét ) South Turramurra, Australia

Mã Dự Án: #1075475

Đã trao cho:

dsv3023

Hi! I can do you want. I have big experience in difficult PCB routing and Schematic. Thank's. Sergej.

$250 AUD trong 5 ngày
(0 Đánh Giá)
2.7

2 freelancer đang chào giá trung bình $200 cho công việc này

vidyadhardeo

Kindly check the PMB.

$150 AUD trong 20 ngày
(0 Đánh Giá)
0.0