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Question asked by Eric78 on Feb 29, 2016
Latest reply on Mar 21, 2016 by JinoL

Hi,

My name is Eric and I'm electrical engineering student.

I'm  designing now a photodiode amplifier detector using a AD 549 as transimpedance amplifier. I would like to have a variable gain( at least 04 differents values) through selectable feedback way.

I need your advice  to know the type of electronic switch that can help me to realise a selectable feedback resistor numerically.

I was looking for example the ADG 804 for that purpose and I don't know if it is possible!

Please, I'm waiting for your advice and your propositions

Best regards

 

Eric Basile TCHINDA

 

E-mail: ericbatchfr@yahoo.fr / ericbasiletchinda@gmail.com/ eric-basile.tchinda.1@ens.etsmtl.c

 

 

Montréal(Quebec) Canada

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