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Cardio tracking Device: PCB optimization

Need help in debugging prototype device for ECG.

It is based on a Texas instrument ADS11292 and is covering only two precordial leads V1 and V3.

The problems we need to solve are:

1. Why ERA and ELA pads that are currently on PCB aren’t working properly? Signal is too noisy. Configuration is designed for connection with these sensor pads ([login to view URL]). How crucial are “snap connectors” for proper usage with above sensor pads, and how could that be implemented without additional parts?

2. How to implement dry electrodes that are integrated in PCB for proper reading of ECG signal.

3. Inspect wireless battery charger circuit and give solution how it should be implemented for best performance.

4. Is it possible that ground plane under the BL600 antenna is affecting the data wireless transmission heavily?

5. How to solve powering up and powering down a device? Placement and what kind of switch.

Altium files are zipped.

Skills: Biotechnology, Circuit Design, Electronics, Medical, PCB Layout

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About the Employer:
( 17 reviews ) Zagreb, Croatia

Project ID: #15268125

16 freelancers are bidding on average $37/hour for this job

highfliercnr

Dear Sir, If you are looking for an highly skilled hardware engineer, I believe that I am the one who you're looking for. I am also an experienced PCB designer who has over 16 years design experience on complex PCB More

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8.0
$50 USD / hour
(206 Reviews)
7.8
rojuwon1222

Hi,Client. I have 13+ years experience in circuit, PCB design. I had developed many products ago using various microcontroller including STM32 serial, Arduino, Raspberry PI, WIFI, Bluetooth, DSP, ARM, PLC, Atmel, CP More

$41 USD / hour
(42 Reviews)
6.5
CoherentTech123

I am an expert with more than 15 years in the field of embedded systems, electronics and prototype development. I have worked with ads1293 (ECG Module IC) on several projects. I assure you the best solution for your wo More

$25 USD / hour
(35 Reviews)
5.7
$31 USD / hour
(32 Reviews)
5.3
ilaiyaraja87

Hi sir I have 5 year experience in the Electronics [login to view URL] the PCB Design,Circuit Design,PCB Fabrication,Assembly,Component Procurement If you need more information about me please see my profile and portfolio T More

$27 USD / hour
(47 Reviews)
6.0
du00000002

Hello, as I already did work in your area of application (although not on exactly THIS combination of features), your issues sound just too familiar: starting with ECG noise pickup (my hope: you "only" want to impleme More

$40 USD / hour
(7 Reviews)
4.7
bchandra1955

Professional Electronics engineer here Relevant Skills and Experience I can design/optimise PCB

$40 USD / hour
(19 Reviews)
4.5
HiberXen

I am from Shenzhen China. in PCB industries for 12 Years almost. i am perfect for your job . please PM me

$27 USD / hour
(6 Reviews)
3.8
udayd75

Dear sir, We sonen engineer solutions provide Design, Manufacturing and consultancy services to Mechanical, Electrical and Electronic industries, we have qualified designers we support for design and development suppo More

$41 USD / hour
(4 Reviews)
4.4
bogdan2451629

Hello. We had similar project about (ELA) coudnt say more its NDA. There are too much small details to make it work properly. But we coud help. When we do last project most of your listed problems was solved.

$41 USD / hour
(8 Reviews)
3.6
sanakashif906

A proposal has not yet been provided

$44 USD / hour
(5 Reviews)
2.8
Lakhi48

Hi I worked on the designs from Texas Instruments,can design PCB and modify according to requirement,you only need to tell requirement ,circuit modifications and PCB design I will do accordingly and

$41 USD / hour
(0 Reviews)
0.0
$41 USD / hour
(0 Reviews)
0.0
thadwen

I have experience with Wireless Charging and PCB Design therefore I can quickly assess whether the existing product can be used, fixed or needs to be changed. I have implemented Wireless Charging on several products I More

$33 USD / hour
(0 Reviews)
0.0
xjbelden

Hi, from your schematic, I think the input singals of ERA and ELA need more filters and OPAMP, others need more inspections, thanks.

$27 USD / hour
(0 Reviews)
0.0