RF Impedance Matching needed

$30-250 USD

Chiuso

Pubblicato

più di 4 anni fa

$30-250 USD

Pagato al completamento

The attached transmit circuit has very high S11 (and VSWR) at frequencies below 100 MHz. Adjust the values of the L,C shown in the shematic so that it has low VSWR (less than 1.3) and low S11 for the frequencies 60,70,80 MHz. The needed parameters are: 1. The output impedance at TX1_1 must be 50 ohms. 2. Transmit analogue input impedance 40 ohms 3. Transmit load impedance at the output pins 400 ohms. Before bidding the Bidder should describe: 1. Which SW or Analytic Method should be used. 2. The reason of high S11 (and VSWR) at frequencies below 100 MHz .

Electronics

Circuit Design

Engineering

Radio Frequency Engineering

Wireless Radio Frequency Engineering

Rif. progetto: 22762792

Info sul progetto

6 proposte

Progetto a distanza

Attivo 4 anni fa

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6 freelance hanno fatto un'offerta media di $164 USD

@marklai

Hello employer, as an experienced freelancer I placed a bid on your project because I have the expertise required to deliver superior quality. I am reliable, and I assure you constant updates in the project as a way of revising it until it’s to your satisfaction. I assure you superior results for the project. I look forward to your response. Good luck!

$100 USD in 2 giorni

4,9

(25 valutazioni)

5,3

@mohammedalqadasi

I am Communications Engineer and interested in scientific research, antenna design, Matlab programming and Electrical Engineering. I have already designed a microwave frequency radio frequency identification (RFID) reader antenna. I have an experience of measuring various antenna parameters including peak gain and efficiency. I also have proficiency in ADS and HFSS which are worldwide used software's for antenna designing and simulation. The reason of high return loss and VSWR are mismatching

$250 USD in 10 giorni

0,0

(0 valutazioni)

0,0

@Ajurie

We have PNAX with frequency range from 250 MHz to 40.5 G. Also, we have NF analysis, spectrum analyzer, signal generator and all of other equipment that needed for this job

$111 USD in 2 giorni

0,0

(0 valutazioni)

0,0

@Dhananjay2112

Hello, I am Dhananjay Yadav. I am a working professional in the field of Electronics Design and layout Engineer. I have more than 6 years of experience in the same. I have worked on wireless projects which involves 433MHz ISM and BLE (2.40 - 2.48 GHz band). I have worked extensively on impedance matching for these projects using soft tool and practically using network analyser, spectrum analyser, component analyser. My skills make me well suitable for this task. Please let me know further details.

$150 USD in 7 giorni