Ceramic resonator circuits typically specify larger load capacitance values than crystal circuits, and draw still more current than the crystal circuit using the same amplifier.
Therefore, in order to increase the coupling between the resonators and make the distance between the resonators as long as possible, the thickness of the silicon oxide film may be increased.
Numerical optimization of resonator designs can sometimes lead to significantly improved performance values, together with improved stability, ease of alignment, and a long lifetime.
Therefore, it is preferable that the center axes of the resonators coincide with each other, or are shifted in a direction in which the end portions of the two resonators approach each other from the coincident position.
In order to control which coils contract, the team built a resonator into each coil unit and tuned it to respond only to a very specific electromagnetic frequency.
To reduce the number of passive components and reduce the insertion loss, integrate one resonant tank(the resonator on the input side) with the matching network required to match the mixer's output impedance to the 1kΩ filter.
The waveguide technology is one of the core technologies in the Silicon Photonics technologies, and a large number of passive components(splits, joints waves, ring resonators, etc.) can be implemented on-chip by silicon waveguide technology.
In this report, computer analysis of the electromagnetic field distribution and heating properties of re-entrant type resonant cavity by using JMAG-Studio are presented.
External cavity modulated Distribution Feed-Back(DFB) lasers, isolators, monitoring diodes, thermistors, and EML components are integrated to the TOSAs and driven by voltage signals.
On the other hand, when signal transmission is performed between different substrates, it is necessary to secure a certain distance between the substrates due to restrictions such as circuits other than the resonator.
Our products mainly consist of dielectric filter, dielectric duplexer, dielectric combiner, dielectric resonator, housing type filter, ceramic chip antenna, RFID tag, ceramic waveguide filter, LC filter and bluetooth antenna etc.
The main cause of the deterioration of the coupling between the resonators is dissipation of electromagnetic energy due to an unnecessary mode, which is determined by the distance between the resonator surfaces and is not directly related to the size of the occupied area.
Capacitive Sensing ADXRS gyros measure the displacement of the resonating mass and its frame due to the Coriolis effect through capacitive sensing elements attached to the resonator, as shown in Figures 4, 5, and 6.
However, in order to efficiently transmit signals between the resonators 2 on different planes, the coupling between the resonators 2 is strong, a part of the closed curve line(open portion 21) is open, or a spiral The shape(spiral) is preferable.
Since the resonator 2 has a structure in which a part of the closed curve line is opened or a spiral structure, the distance between both ends is close, and radiation of electromagnetic waves from the resonator 2 to the outside can be prevented.
Therefore, even if the distance between the resonators 2 is increased to some extent, a high-frequency signal can be efficiently transmitted between the resonators 2, and interference between circuits on different planes Pa and Pb can be reduced.
Shows an example in which two different substrates 10b and 10c arranged on the same plane are connected by a connection substrate 10a on which two resonators 2a and 2a'and an input/ output line 3a are formed.
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