Dielectric Resonator Materials

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Used for compact, temperature-stable, high Q-factor microwave resonating elements. Typical applications include cellular phones (Tx and Rx subsystems), satellite television receivers (TVRO and DBS), Global Positioning Systems (GPS), microwave oscillators, filters, speed guns, radar detectors, motion sensors and transmitters.

Property (Symbol) unit	Dielectric Constant (ε')	Temperature Coefficient of Resonant Frequency ppm/°C, 25-60C	Unloaded Q	Diameter Range Available inches	Recommended Frequency (f) GHz
DR30	30 ± 1	+4 to -2	≥ 10,000 @ 10 GHz	0.076 to 1.500	1.5 to 20
DR36	35.5 ± 1	+9 to -3	35,000 @ 850 MHz	0.160 to 3.500	0.8 to 13.5
DR45	45 ± 2	+6 to -3	35,000 @ 850 MHz	0.160 to 3.500	0.4 to 13.5
DR80	81 ± 2	+9 to -3	≥ 3,000 @ 3 GHz	0.405 to 1.125	0.4 to 4

National Magnetics Group, Inc. National Magnetics Group, Inc.

Dielectric Resonator Materials

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