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Hi All,
Im 30 years old and at a crossroads of sorts. Since my graduation from EE, I have worked as an RF Design Engineer and am currently working for a semiconductor company as an Applications Engineer. My RF design job was related to RF Transceiver modules for satellites and my current job...
Hi DeboraHarry,
Thanks for replying. What I have is a 50 ohm line going into a transformer that is meant for a 75 ohm system, that then connects to a differential amplifier.
so basically you go into the transformer single ended then after the transformer you have that diff amp, and at the...
Hi guys,
I have a problem. I need to match a differential cascode amplifier operating in a 75 ohm system to a 50 ohm line at the input. The amplifier has a 75 ohm 2:1 balun at the input, so that it is single ended at the the output of the balun. So it is something like this:
50 ohm line...
chuckey/ashok,
Thanks for replying. If broad banding is the requirement, then why not use a cascade of inductors from SRFs in the low frequencies to high frequencies. Why use an RF bead? Could it be that the RF bead is being used to deal with the self resonance of the 880 nH inductor. The...
I am working on a PA design that is supposed to work upto 3 GHz. It seems that some of the designs I have come across in my study use an Murata High frequency wirewound inductor in series with an RF bead for the bias. I understand that the purpose of an RF choke is to present a large impedance...
Hi folks,
This is my first post on this board and Im hoping you guys can help out. I have a variable gain amp that draws 1 mA in the high gain condition and 40 mA in the low gain condition. Im planning on using a potentiometer to supply the AGC control voltage that can range from 1.2V (high...
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