İptal Edildi

NFC antenna range optimisation

Increase the range of an NFC antenna on an already existing PCB. Current range is [url removed, login to view], want to increase to 4cm or more. The antenna trace on PCB can't be changed because of space limitation. NFC is driven using a NXP MFRC630 IC. The range can only be increased by tuning the antenna circuit (see attached schematics) and/or optimizing the MFCR630 registers. A PCB will be provided for testing. Antenna trace can be accessed by removing resistors R10 and R11.

Beceriler: Devre Tasarımı, Elektronik, PCB Düzen

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İşveren Hakkında:
( 2 değerlendirme ) EASTMAN, Canada

Proje NO: #13753479

12 freelancer bu iş için ortalamada 744$ teklif veriyor

chandra2sekhar

Hello, I am [url removed, login to view] sekhar,[url removed, login to view],[Phd].we have 12+ years experience in this field.i can assure u support and service even after completion of [url removed, login to view] have inhouse PCB design and [url removed, login to view] the provided inform Daha fazlası

in 10 gün içinde1578$ USD
(39 Değerlendirme)
7.7
DamithaKD

HI, About the Project : We have developed similer projects before Can we talk about the project :) About ME : We have been freelancing for 10 years and has perfect reviews on all my projects. We am are Ex Daha fazlası

in 10 gün içinde555$ USD
(26 Değerlendirme)
5.4
rojuwon1222

Hi,Client. I have 13 years experience in circuit, PCB design, manufacture and assemble, firmware and application(VC++, QT, Labview) writing. I had developed many products ago using various microcontroller including S Daha fazlası

in 30 gün içinde1000$ USD
(9 Değerlendirme)
3.9
usman710

Hi I am an Electrical Engineer with hands on experience on RF circuits and antenna design I have expertise in ADS, HFSS and CST I also have access to network analyzer and other RF measuring equipment Send me the ge Daha fazlası

in 10 gün içinde500$ USD
(4 Değerlendirme)
3.7
SEELaboratory

I recently have designed card reader on PN7462. If you intend to award the project to me, please, give me schematic before end of bidding.

in 30 gün içinde730$ USD
(5 Değerlendirme)
2.8
ahmad5857

Hi Sir, We have already extended range of some of the RFID readers for clients. WE need to have the design files of PCB so we can make some minor changes, we have to add some amplifiers in the circuit and it wil Daha fazlası

in 20 gün içinde460$ USD
(10 Değerlendirme)
4.2
in 10 gün içinde750$ USD
(0 Değerlendirme)
0.0
stmCoffee

hello, I can work on your NFC reader and increase antenna range, i can start May 5 working on, it will take me around 20 hours. best.

in 17 gün içinde777$ USD
(0 Değerlendirme)
0.0
sanakashif906

A proposal has not yet been provided

in 15 gün içinde777$ USD
(0 Değerlendirme)
0.0
gemini67

Dear sir, I have been guiding PG students to complete their research work for last 18 years. This year I have written code for 12 theses and then prepared the detailed report. 1. Image Processing: Brain MRI Image Seg Daha fazlası

in 30 gün içinde750$ USD
(0 Değerlendirme)
0.0
basitccp

Expert in pcb design . I have more than 6 years of experience in RF PCB designing . I have designed complex multilayer PCB's. Thanks

in 10 gün içinde555$ USD
(0 Değerlendirme)
0.0
TopTower22

[url removed, login to view] (pi, pi camera) [url removed, login to view] (pi, recognizing signs) [url removed, login to view] (Pi, Line follower, Sensor) [url removed, login to view] ( Daha fazlası

in 10 gün içinde500$ USD
(0 Değerlendirme)
0.0