发明名称 |
ASYMMETRICAL ATTENUATOR FOR A RADIO FREQUENCY COMMUNICATION EQUIPMENT, PARTICULARLY REGARDING TO DIVIDING A RADIO FREQUENCY INTO A TRANSMISSION FREQUENCY AND A RECEPTION FREQUENCY AND THEN ATTENUATING THE DIVIDED FREQUENCIES BASED ON A TRANSMISSION BAND OR A RECEPTION BAND |
摘要 |
PURPOSE: An asymmetrical attenuator for a radio frequency communication equipment is provided to improve the linearity in a band at a low cost, protect a repeater and reduce a noise of a base station by obtaining an attenuation amount by coupling at a rear end of a circulator. CONSTITUTION: Transmitting signals flow in only one direction by using a circulator(1). Receiving signals are coupled by a coupler(2) as much as required signals, and the coupled signals flow through another port of the circulator(1).
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申请公布号 |
KR20050003307(A) |
申请公布日期 |
2005.01.10 |
申请号 |
KR20030044038 |
申请日期 |
2003.06.30 |
申请人 |
UNICORN TECHNOLOGY CO., LTD. |
发明人 |
LEE, YONG KOOG |
分类号 |
H04B7/155;(IPC1-7):H04B7/155 |
主分类号 |
H04B7/155 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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