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Can I use a Directional Detector as an ASK-Demodulator? (Read 1894 times)

Magistus

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Can I use a Directional Detector as an ASK-Demodulator?
Mar 04^th, 2013, 6:26am

first: sorry for my bad english!

hi,
i need an ASK-demodulator. carrier frequency: 24 GHz. data frequency: some kHz. i wonder if a directional detector (for example http://www.avagotech.com/pages/en/rf_microwave/amplifiers/detectors/vmmk-3313/) can assume this function. responds such a device quickly enough?

thank you for all answers!

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rfcooltools.com Senior Member Offline Posts: 159	Re: Can I use a Directional Detector as an ASK-Demodulator? Reply #1 - Mar 10^th, 2013, 6:18pm Dr. It depends on the bandwidth of the detector and the C/N you need. Contact the manufacturer to get the bandwidth of the power detector. it might be as simple as adjusting the output rc filter components to get the response you need. http://rfcooltools.com
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Magistus New Member Offline Posts: 5 Germany	Re: Can I use a Directional Detector as an ASK-Demodulator? Reply #2 - Mar 11^th, 2013, 1:13am in the application notes (http://www.avagotech.com/docs/AV02-3049EN) on page 4 one can read: "The -3 dB video bandwidth of the VMMK-3313 by itself is approximately 30 MHz and is based on the expression..." is this the bandwidth you mean?
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