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Temperature Compensation Attenuator
3dB 90° Hybrid 
Directional
Fixed Attenuator
Miniature Variable Attenuator(switch)
SMD or DIP Variable Advanced Patented Technologies
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About Yantel Yantel Corporation, founded in July, 2004, is a national Hi-tech enterprise started by RF experts returning from abroad. We own advanced key patented technologies for microwave passive components and for the IC design Technology of MMIC and MIC. So far Yantel holds over thirty international invention patents in fields of RF semiconductor components and IC chips, dozens of which are patented in US, Europe and China.Among the inventions,Temperature Compensation Attenuator has been granted with 3 US patents and another 4 international invention patents in Europe, China, korea and Taiwan. Yantel’s project Temperature Compensation Attenuator has successfully passed the acceptance inspection by Shenzhen Science and Technology Program Office. RF Miniature Wideband Variable Attenuator was selected into the Innovation Program of 2008 by National Ministry of Science and Technology. Another honor is Yantel was awarded the prize 2008 Outstanding Enterprise with Intellectual Property by Intellectual Property office in Shenzhen,China. Yantel is well equipped with advanced manufacturing facilities for chips and components as well as excellent RF test equipment like network analyzer. We provide high-reliability and good repeatability products assured by years of experience, know-how of manufacturing and complete production process. Yantel has been the approved vendor of Nokia Simens Network,Motorola, and has established steady cooperation with many famous communication firms including ZTE,DaTang, Comba, Zhengwei, Grentech and Winhap. Product Competitiveness Innovative patented technology,excellent RF characteristics, competitive cost are the highlights of Yantel products, which can reach more extensive applications than conventional devices ,with fields in 2.4GHz, 5.8GHz RFID, WiMAX, WLAN, UWB, wireless access system、mobile communication system, GPS, base station, repeater , RF active modules and system. Advantages  Innovative technology and excellent RF characteristics Highly competitive price Wide frequency range: DC-6, 26.5GHz Super small size by adopting advanced RF micro-strip technology Small reflection（Max. VSWR） High-reliability Good repeatability Extensive applications in variety of microwave and RF communication systems International Patents |
Brief Introduction of the Key Patented Technologies  RF Microwave Temperature Compensation Attenuator RF Microwave Miniature Wideband Variable Attenuator Highly Efficient and Lossless Temperature Compensation Bias Circuit for Microwave FET Built-in Chips RF Microwave Continuously Variable Inductor Dispensing Technology of Low Cost,High Efficiency and Reliability for Packaging of Miniature Chips Resin-packaging Method of Low Cost and High Yield for Large Scale Packaging on Substrates |
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