How can intermodulation interference between...

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Question 1 of 20oug5i1S750Q6uEIGRWdz

How can intermodulation interference between two transmitters in close proximity often be reduced or eliminated?

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Question 1 of 20

oug5i1S750Q6uEIGRWdz

How can intermodulation interference between two transmitters in close proximity often be reduced or eliminated?

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🔍 Key Concepts

• Intermodulation interference occurs when strong nearby signals mix and create unwanted new frequencies • Devices like isolators/circulators control the direction of RF energy and protect the transmitter from reflected or incoming signals • Filters (band‑pass vs low‑pass) remove certain frequencies, but may not prevent strong-signal mixing inside the transmitter or duplexer

💭 Think About

• Which option specifically prevents strong RF energy from another nearby transmitter from getting back into the final amplifier stages or duplexer where mixing occurs? • Think about where intermodulation products are CREATED (inside active components) versus where filters usually act (on the line after the damage is already done). • Which device is commonly used at shared sites with multiple high‑power transmitters to reduce mutual interaction between them?

✅ Before You Answer

• Identify which choice involves a unidirectional RF device that absorbs or redirects reverse power away from the transmitter. • Check which options are filters and ask: do they stop intermodulation from being generated, or just remove some frequencies after the fact? • Confirm which device is standard practice at multi‑transmitter sites like repeater hubs or shipboard comms masts to control intermodulation.

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Question 1 of 20oug5i1S750Q6uEIGRWdz

How can intermodulation interference between two transmitters in close proximity often be reduced or eliminated?

Back

Question 1 of 20

oug5i1S750Q6uEIGRWdz

How can intermodulation interference between two transmitters in close proximity often be reduced or eliminated?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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