Directional Coupler
To electrical/optical engineers?
I am working with optical photonic fibers and I need to know: how much does a 3-db directional coupler cost? And a free-space delay line? If they are too expensive, is there any way I can use cheaper equipment to substitute them?
Why don't you make your own?
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 10 PCS VIEWSONICS VS600DCW 18 DIRECTIONAL COUPLERS 18DB  US $4.99
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 Regal L Type Directional Coupler – Model ZDRDCUV10 6 NIB US $5.99
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 CATV Cable TV 7 way Directional Coupler Signal Splitter US $8.37
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 10 PCS VIEWSONICS VS600DCW 4 DIRECTIONAL COUPLERS 4DB US $2.99
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 Signal CATV Directional Coupler Splitter 2 Way Connect US $5.38
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 7 PCS VIEWSONICS VS600DCW 10 DIRECTIONAL COUPLERS 10DB US $2.99
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Ramsey PM50 Power Meter With Dummy Load Kit $109.95 The PM line of digital power meters is what every RF lab technician or micro-broadcaster needs on his workbench. Until now, power meters of this capability cost thousands! Imagine being able to accurately measure RF power from almost any signal source - and with the PM10, be able to tune and match antennas! Once you use one, you will wonder how you ever did without it! And if you are a micro-broad... |
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Ramsey PM50WT Power Meter With Dummy Load - Assembled $154.95 The PM line of digital power meters is what every RF lab technician or micro-broadcaster needs on his workbench. Until now, power meters of this capability cost thousands! Imagine being able to accurately measure RF power from almost any signal source - and with the PM10, be able to tune and match antennas! Once you use one, you will wonder how you ever did without it! And if you are a micro-broad... |
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Pocketalker Pro with Wide Range Earphone $137.97 Hear what you've been missing The Pocketalker Pro includes a sensitive microphone that can be placed close to the sound source to minimize background noise, a compact amplifier with volume control, and your choice of three earphone/headphone options to deliver full range, high quality sound. For hearing aid wearer, neckloop and silhouette telecoil couplers are available for use with telecoil-equip... |
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C. Crane Versa WiFi USB Adapter $25.95 Our Versa WiFi USB Adapter II has an external coaxial connector (RP-SMA type) that gives you the ability to use it with a better antenna You could almost call it the Universal WiFi adapter When you''re on the road, you can attach a Mobile WiFi Antenna to the Versa Wi-Fi USB Adapter - and get high speed internet on your laptop When at home, connect a directional WiFi Tabletop Antenna to boost the s... |
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Tp Link 802.11n 150mbps Wireless Router Compact Design W/ Single Omni-Directional Antenna $43.69 QSS (Quick Secure Setup) feature, allows users to quickly and easily configure wireless security.Simultaneously operates bandwidth intensive applications such as voice and video.Applications using a lot of bandwidth that are sensitive to interruptions suc... |