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| TOKEN DR Dielectric Coaxial Ceramic Resonators Dielectric Coaxial Ceramic Resonators Token Ceramic Coaxial Resonators (DR) Is The Cornerstone of RF Microwave Communications Preview Dielectric ceramic resonator is a kind of microwave components, also known as coaxial resonator, Token electronics manufacturing dielectric resonator (cylindrical, ring), coaxial resonator (rectangular cavity, cylindrical cavity, coaxial cavity resonator), microwave resonator, etc. It is made high-Q dielectric ceramics, temperature coefficient is good, mainly used in microwave oscillators and filters. Dielectric resonator size and dielectric material is inversely proportional to the square root of the dielectric constant, dielectric materials, dielectric constant the greater the required dielectric ceramic block the smaller, thus the smaller the resonator size. Another important parameter is the insertion loss, low dielectric loss microwave dielectric materials, dielectric filters that affect the insertion loss of a major factor. Microwave dielectric Q value and dielectric loss is inversely proportional to the relationship. Q value is greater the lower the filter insertion loss. Therefore, the microwave dielectric ceramic materials of high dielectric constant is conducive to the miniaturization of microwave dielectric filters, can filter with the microwave tube, a microstrip line realization of microwave hybrid integrated circuit, so that the device dimensions to mm order of magnitude, the price is also much lower than the metallic cavity. The coaxial resonator impedance used in TEM mode is direct function of its dimensions and of the dielectric material permittivity. Token coaxial ceramic resonators provide the customers with high Q higher parellel resonant impedance and better temperature characteristics than inductor coils and associated lumped constant elements used in RF amplifiers and oscillators circuits. According to dielectric resonator frequency stabilization mechanism, using dielectric resonator stabilized FET oscillator frequency (also referred to DRO) can be classified into 4 types, namely, reflective, band-reject type, transmission type and feedback type. Coaxial Resonator named by the internal and external, between the inner and outer conductor filling a variety of dielectric ceramics to be dielectric ceramic coaxial resonator name. It is longer than the length of the unfilled resonator is much smaller. Coaxial resonator with two ports, depending on port different boundary conditions, in accordance with the basic structure of the resonator is divided into three types: half-wavelength type, quarterwavelength type, and capacitive load type, each structure each with distinct characteristics. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 05 TOKEN DR Dielectric Coaxial Ceramic Resonators Token DR series features with small size, high temperature stability characteristics. Indirectly, DR series is suitable for a variety of microwave communications equipment, particularly suitable for PCS / PCN filters, base stations, radar detectors, satellite broadcast reception systems, military microwave facilities. Comply with RoHS standards. Custom parts are available on request. Token will also produce devices outside these specifications to meet specific customer requirements, please contact our sales for more information. Features - High quality factor - High dielectric constant - Low temperature coefficient - Wide range of resonant frequency Applications - Filter and duplexer - Oscillators (DRO/VCO) - CDMA/PCS/WLL/IMT2000 - Wireless headphone, wireless security system - 900MHz, 1.8GHz, 2.4GHz, 5.8GHz wireless phone 02 of 05 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN Dimensions DR Dielectric Coaxial Ceramic Resonators A L W T W Part Number D120 D100 D080 D060 D050 D040 D030 D020 W(O/D) 12.00.2 10.00.2 8.00.2 6.00.2 5.00.2 4.00.1 3.00.1 2.10.1 B C A(I/D) 4.00.2 3.550.2 3.30.2 2.70.2 2.50.2 2.20.2 2.00.2 1.80.2 1.50.2 1.80.1 1.50.1 1.20.1 1.00.1 0.60.1 L: Length of resonator Unit: mm B without tab 1.5 1.3 1.3 without tab without tab 1.2 1.0 1.0 0.8 without tab without tab 0.7 0.5 C 3.2 3.0 2.6 2.4 2.2 1.8 1.5 1.2 T 1.0 1.0 0.7 0.7 0.6 0.6 0.5 0.5 Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 05 TOKEN Material DR Dielectric Coaxial Ceramic Resonators Tf [1] Type Characteristic Impedance () 15 17 D100 D080 16 15 12 14 15 14 17 11 14 17 15 17 12 13 12 12 10 11 12 11 13 9 11 13 12 13 Wave Length /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /4 /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /4 Frequency Range (MHz) 800~1300 1600~2700 800~1300 1600~3200 1000~3200 2000~3000 1000~2700 2000~3000 1300~3000 2500~4000 1300~4000 2500~4000 1900~4000 2800~5000 600~1000 1200~2400 600~1200 1200~2400 800~1500 1600~3000 800~1800 1600~3500 800~1800 1600~3500 1000~2700 2000~4800 1300~3000 1300~3000 Q [2] (min) 800 1000 700 800 650 700 550 600 450 500 380 400 320 250 700 900 600 800 500 700 450 550 380 450 320 400 220 220 Available Range of TEM Mode Dielectric Constant A Series 211 010 D060 D050 D040 D030 D020 D120 D100 D080 B Series 361 010 D060 D050 D040 D030 D020 Continued on the following page. 04 of 05 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN Material DR Dielectric Coaxial Ceramic Resonators Characteristic Impedance () 7 8 7 7 6 7 7 7 8 6 7 8 7 8 Wave Length /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /2 /4 /4 Frequency Range (MHz) 400~800 800~1500 600~800 1200~2400 440~1000 1000~1500 440~1300 1000~2200 500~1800 1000~3000 900~1600 2000~4800 900~1600 900~1600 Q [2] (min) 650 700 550 650 450 550 400 470 380 450 200 300 250 150 Continued from the preceding page. Dielectric Constant Tf [1] Type D120 D100 D080 C Series 902 010 D060 D050 D040 D030 D020 Note:1.Frequency stability of temperature. 2.Q value depends on lower limit of frequency range. How to Order DR 30 A 1 W4 Wave Length Code W2 W4 2533 T Dielectric Resonators Dimension Material Impedance Code 1 2 3 Impedance Wave Length /2 /4 Center Frequency (MHz) Configuration Code T N Configuration tab without tab Back to 1st Page - Dielectric Resonators TEM Mode - DR Version 2010 http://www.token.com.tw/ rfq token.com.tw 05 of 05 |
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