01 of 03 te01 dielectric resonators & materials dielectric resonator materials microwave dielectric resonator material is the cornerstone of future communications technology (te01 mode) previe w microwave dielectric ceramics as the key basic materials to modern communication technology, after token electronics years of continuous research and development, using the latest technology to produce microwave ceramics have achieved a variety of dielectric constant, quality factor q of the new media ceramic materials, and as a dielectric material application microwave frequencies of modern circuits, and modern electronic communications in the flters, resonators, dielectric substrates, such as microwave dielectric waveguide circuit components materials. comparing with microwave dielectric resonator made of tokens ceramic materials and metal cavity resonator, obviously, token dielectric resonator features with a light weight, small volume, temperature coeffcient of stability, cheap, and so on. they have been widely used in satellite broadcast reception systems, pcs / pcn flters, base stations, radar detectors, wireless mobile communications, telecommunications computer systems, military facilities, microwave, modern medicine and many other areas. taking advantage of tokens microwave dielectric ceramic materials for dielectric resonators and flters, with a relatively high dielectric constant, can make the device smaller, space-saving design of the circuit; high quality factor q value and low dielectric loss, in order to ensure a good selection frequency characteristics and low insertion loss of the device; the temperature coeffcient is small, in order to ensure the thermal stability of the device. dielectric constant, quality factor q, the temperature coeffcient, these three parameters to evaluate the important microwave dielectric ceramic material specifcations and production. custom parts are available on request. token will also produce devices outside these specifcations to meet specifc customer requirements, please contact our sales for more information. features - high q value - easy to control f - many kinds of material with various dielectric constants applications - lnb - police radar detectors - dielectric resonator antennas - lmds/mmds wireless cable tv - automobile collision avoidance sensors - pcs/pcn filters, duplexer & combiners - cellular base station filter, duplexer & combiners t oke n http://www.token.com.tw/ rfq token.com.tw version 2010
02 of 03 te01 dielectric resonators & materials material series dielectric constant fo q(1/tan) temperature coeffcient (ppm/c) insulation resistance (-cm) application frequency range application range te21 19~22 6,000@10ghz 0 3 >1014 refer refer frequency chat te30 29~30 15,000@10ghz 0 6 >1014 te36 35~37 10,000@4ghz 0 3 >1014 te45 44~46 10,000@4ghz 0 6 >1014 te80 79~81 7,000@1ghz 0 6 >1014 te90 89~91 7,000@1ghz 0 6 >1014 frequency(ghz) 0.3 0.8 1.0 2.0 4.0 8.0 12 18 26.5 40 te 21 series te 30 series te 36 series te 45 series te 80 series te 90 series uhf l-band s-band c-band x-band ku-band k-band ka-band frequency chart available range by every material 1. aging : ceramics aging is small. microwave dielectric ceramics any change in resonant frequency can be attributed to changes in measurement cavity or measurement techniques. 2. water absorbing : ceramics absorb water is not obvious, but the moisture condensation in the ceramic microwave dielectric resonator on the surface will affect the qu. but qu will be self-healing, when the water dried, for example, dielectric resonator in the flter operation of the self-heating. 3. cleanliness : qu degradation of the oil may be due to a fnger, pencil lead note, tape, adhesives, or other contaminants. cleanliness of the dielectric ceramics is important. ceramic dielectric microwave components application notice t oke n http://www.token.com.tw/ rfq token.com.tw version 2010
how to order ? dielectric coaxial resonators ? dielectric constant ? ? code configuration a with hole b without hole te 36 ? ? ? 10 a s ? center frequency (ghz) ? configuration code construction s support w without support ? construction back to 1st page - dielectric coaxial resonators te01 mode - te te01 dielectric resonators & materials 4. dielectric constant : in fact, the microwave dielectric ceramics of the dielectric constant is not fxed. it varies with the additives added, and used to determine the temperature coeffcient ceramics. the dielectric constant of each batch is slightly different and it changes slightly with temperature changes. token compensates for these effects and provide dielectric resonators size to frequency, and offers custom temperature coeffcient on request. 5. dielectric loss factor tan & qu : dielectric loss factor and quality factor of the relationship, such as quality factor (q = 1 / tan), dielectric microwave materials are commonly assigned a loss tangent to permit an estimate of signal losses. ceramic dielectric resonator is usually run on a specifc frequency , a specifc geometric shape, it can directly measure its size, with no-load quality factor qu, qu is an important basic resonator parameters (more useful than the loss tangent), particularly suitable flter and oscillator applications. 6. smooth surfaces : ceramic hard surface contact, it is prone to very small fragments. most of the small fragments will not affect the electrical properties of dielectric ceramics. ceramic surface roughness is not particularly important factor. ceramic dielectric resonator itself does not current exist only in the form of stored energy from the feld. smooth surfaces are desirable from the standpoint of avoiding trapped contaminants. 7. thermal shock : microwave dielectric ceramics in the temperature exceeds 1200 in furnace to burn out, they can be more resistant than the temperature of electronic devices, far beyond the welding temperature. however, the thermal conduction velocity of dielectric ceramics is much slower than the metal. large temperature gradient through the ceramic device, because of uneven expansion, could lead to device failure, which is called thermal shock. suddenly applied heat in the thick ceramic devices will lead to broken ceramics. 8. adhesives : adhesives to install ceramic dielectric resonators must be carefully selected. adhesives will reduce the dielectric ceramics q u, the right adhesives can reduce qu to a minimum, while ensuring the adhesion strength. t ke n http://www.token.com.tw/ rfq token.com.tw 03 of 03 version 2010
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