HR315A 315m hz one-port saw resonator for wireless remote control tel:+86-755-82973806 fax:+86-755-82973550 e-mail: sales@hoperf.com http://www.hoperf.com page 1 of 1 approved by: checked by: issued by: specification product: saw resonator model: HR315A qcc 8c hope microelectronics co.,limited
saw resonator HR315A tel:+86-755-82973806 fax:+86-755-82973550 e-mail: sales@hoperf.com http://www.hoperf.com the HR315A is a true one-port, surface-acoustic-wave ( saw ) resonator in a surface-mount ceramic qcc8c case. it provides reliable, fundamental-mode, quartz fr equency stabilization i.e. in transmitters or local oscillators operating at 315.000 mhz. 1.package dimension (qcc8c) 2.marking 3.equivalent lc model and test circuit HR315A laser marking 4.typical application circuits 1) low-power transmitter application 2) local oscillator application 5.typical frequency response 6.temperature characteristics 7.performance pin configuration 2 terminal1 6 terminal2 4,8 case ground 1,3,5,7 empty sign data (unit: mm) sign data (unit: mm) a 2.08 e 1.2 b 0.6 f 1.35 c 1.27 g 5.0 d 2.54 h 5.0
saw resonator HR315A tel:+86-755-82973806 fax:+86-755-82973550 e-mail: sales@hoperf.com http://www.hoperf.com 7-1.maximum ratings rating value unit cw rf power dissipation p 0 dbm dc voltage between terminals v dc 30 v storage temperature range t stg -40 to +85 operating temperature range t a -10 to +60 7-2.electronic characteristics characteristic sym minimum typical maximum unit absolute frequency f c 314.925 315.075 mhz center frequency (+25 ) tolerance from 315.000 mhz ? f c 75 khz insertion loss il 1.4 2.0 db unloaded q q u 10,750 quality factor 50 ? loaded q q l 1,600 turnover temperature t 0 25 55 turnover frequency f 0 f c khz temperature stability frequency temperature coefficient ftc 0.032 ppm/ 2 frequency aging absolute value during the first year | fa | ? 10 ppm/yr dc insulation resistance between any two terminals 1.0 m ? motional resistance r m 17.5 26 ? motional inductance l m 95.0359 h motional capacitance c m 2.6889 ff rf equivalent rlc model shunt static capacitance c 0 1.8 3.0 2.2 pf l caution: electrostatic sensitive devi ce. observe precautions for handling! c 2003. all rights reserved. 1. the center frequency, f c , is measured at the minimum il poi nt with the resonator in the 50 $ test system. 2. unless noted otherwise, case temperature t c = +25c2c. 3. frequency aging is the change in f c with time and is specified at + 65c or less. aging may exceed the specification for prolonged te mperatures above +65c. typically, agi ng is greatest the first year after manufacture, decreasing in subsequent years. 4. turnover temperature, t 0 , is the temperature of maximum (or turnover) frequency, f 0 . the nominal frequency at any case temperature, t c , may be calculated from: f = f 0 [1 - ftc (t 0 - t c ) 2 ]. 5. this equivalent rlc model approx imates resonator performance near the resonant frequency and is provided for reference only. the capacitance c 0 is the measured static (nonmot ional) capacitance between the two terminals. the measurement includes case parasitic capacitance. 6. derived mathematically from one or more of the following directly measured parameters: f c , il, 3 db bandwidth, f c versus t c , and c 0 . 7. the specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. 8. typically, equipment utilizing this device requires em issions testing and government approval, which is the responsibility of the equi pment manufacturer. 9. our liability is only assumed for the surface acousti c wave (saw) component(s) per se, not for applications, processes and circuits implemented within components or assemblies. 10. for questions on technology, prices and delivery, please contact our sales offices or e-mail sales@hoperf.com
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