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Play Keysight's RF Challenge

Think you can spot what’s happening inside a signal?

The competition has officially ended.


Thank you for participating! Stay tuned—winners will be announced via email. You can now view the challenge answers below. 


To view the complete list of winners, including swag winners, click here.

COMING SOON
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1:00 Min

Challenge 1: The Rotating Constellation

A 5G NR signal isn't decoding as expected. Examine the constellation, EVM, and measurement results to determine what's causing the distortion before revealing the solution.
A 5G NR signal isn't decoding as expected. Examine the constellation, EVM, and measurement results to determine what's causing the distortion before revealing the solution.
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Challenge question: The constellation appears rotated and the EVM is much higher than expected. Which analysis setting would you investigate first?

COMING SOON
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0:43 Min

Challenge 2: The Wrong Measurement

A DVB-S2X satellite signal is producing poor demodulation results. Use the available measurements to identify which analysis parameter is preventing an accurate decode.
A DVB-S2X satellite signal is producing poor demodulation results. Use the available measurements to identify which analysis parameter is preventing an accurate decode.
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Challenge question: The occupied bandwidth doesn't match the configured measurement. Which parameter would you verify first?

COMING SOON
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1:05 Min

Challenge 3: Does the Constellation Fit?

A digital modulation measurement isn't matching expectations. Analyze the constellation and measurement results to identify the configuration mismatch.
A digital modulation measurement isn't matching expectations. Analyze the constellation and measurement results to identify the configuration mismatch.
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Challenge question: The measured constellation doesn't match the expected reference constellation. What would you check first?

COMING SOON
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1:23 Min

Challenge 4: Following The Moving Signal

A radar signal is constantly changing frequency. Investigate the region table and time-frequency displays to determine why the signal keeps moving.
A radar signal is constantly changing frequency. Investigate the region table and time-frequency displays to determine why the signal keeps moving.
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Challenge question: The Region Table shows eleven regions with different start/stop times and frequency locations. What is the most likely explanation?

New Expert XA5: Dual-Channel Analysis

Analyze complex RF signals faster with 2 GHz bandwidth and fast sweeps.
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RF Challenge: Full Contest Details

Review the full challenge schedule, points breakdown, prizes, and official rules.
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New Pro XA6: Ultra-Wideband Insight

Capture wideband signals with 8 GHz bandwidth, low noise, and 67 GHz coverage.
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RF Challenge