发明名称 |
Temperature compensation circuitry |
摘要 |
A surface acoustic wave (SAW) device provides a phase shift and a first predetermined phase shift variation as a function of temperature. A passive network including a passive, reactive component is thermally and electrically coupled to the SAW device. An electrical characteristic of the component has a predetermined variation as a function of the temperature of the reactive component which provides the network with a second, predetermined phase variation as a function of temperature to compensate for the first predetermined phase variation as a function of temperature provided from the surface acoustic wave device. With this arrangement, the phase shift provided from the surface acoustic wave device is substantially invariant with temperature.
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申请公布号 |
US4639697(A) |
申请公布日期 |
1987.01.27 |
申请号 |
US19840650019 |
申请日期 |
1984.09.13 |
申请人 |
RAYTHEON COMPANY |
发明人 |
YARRANTON, ARTHUR;CHASE, JR., CHARLES E.;PICQUENDAR, JEAN E. |
分类号 |
H03H9/02;H03H9/68;(IPC1-7):H03H9/42;H03B5/32 |
主分类号 |
H03H9/02 |
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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