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Results tagged with rf
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user 39851
Short for Radio Frequency, i.e. frequencies at which radiation (intentional or not) plays a role. Typically associated with wireless communications, but also relevant for high-speed PCB design.
1
vote
Project - How to onstruct a circuit to introduce and control a 0-300ms delay in an RF feed f...
Delaying an RF signal by a large amount of time while keeping the distortion low, with a reasonable bandwidth is actually quite difficult. …
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0
votes
Accepted
Trans-impedance Amplifer with a Fully-Differential Amplifier
Texas Instrument made a reference design with a very similar circuit in December of 2017, using the LMH5401. It answers all my questions.
- 840
3
votes
2
answers
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Trans-impedance Amplifer with a Fully-Differential Amplifier
I'm designing a trans-impedance amplifier (TIA) for a fairly fast Avalanche Photodiode (APD), to amplify pulses of 1mA that last few nanosecond. I found a solution that have just enough bandwidth with …
- 840
2
votes
Accepted
Choosing capacitor for RF coupling
If you need to AC couple outside of the component anyway, then you have to find the power dispated by the capacitor due to ESR:
\$P_{cap}=R_{ESR} \cdot I^2=\frac{R_{ESR}}{R_{50Ω}} \cdot P_{RF}<\frac{0.1Ω …
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