tel : +44 118 979 1238 fax : +44 118 979 1283 email: info@actcrystals.com in keeping with our ongoing policy of product evolvement and improvement, the above specification is subject to change without notice. iso9001: 2000 registered - registration number 6830/2 for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berks, rg41 2ey, uk http://www.actcrystals.com the ACTQ384/384.05/to39 is a two-port, 180 surface-acoustic-wave ( saw ) resonator in a low-profile metal to-39 case. it provides reliable, fundamental-mode, quartz frequency stabilization i.e. in transmitters or local oscillators operating at 384.050 mhz. 1. package dimension (to-39) 2. 3. equivalent lc model and test circuit 4. typical application circuits 1) low-power transmitter application 2) local oscillator application pin configuration 1 input / output 2 output / input 3 case ground dimension data (unit: mm) a 9.300.20 b 5.080.10 c 3.400.20 d 30.20 / 50.20 e 0.450.20 issue : 1 c1 date : sept 04
tel : +44 118 979 1238 fax : +44 118 979 1283 email: info@actcrystals.com in keeping with our ongoing policy of product evolvement and improvement, the above specification is subject to change without notice. iso9001: 2000 registered - registration number 6830/2 for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berks, rg41 2ey, uk http://www.actcrystals.com 5. typical frequency response 6. temperature characteristics 7. performance 7-1.maximum ratings rating value unit cw rf power dissipation p 10 dbm dc voltage between any two pins v dc 30 v storage temperature range t stg -40 to +85 c operating temperature range t a -10 to +60 c 7-2.electronic characteristics characteristic sym minimum typical maximum unit absolute frequency f c 383.975 384.125 mhz centre frequency (+25 c) tolerance from 384.050 mhz d f c 75 khz insertion loss il 6.0 7.5 db unloaded q q u 13,430 quality factor 50 w loaded q q l 6,700 turnover temperature t o 25 55 c turnover frequency f o fc khz temperature stability frequency temperature coefficient ftc 0.032 ppm/ c 2 frequency aging absolute value during the first year | f a | 10 ppm/yr dc insulation resistance between any two pins 1.0 m w motional resistance r m 99.5 137 w motional inductance l m 554.2048 m h motional capacitance c m 0.310195 ff rf equivalent rlc model shunt static capacitance c o 1.6 1.9 2.2 pf issue : 1 c1 date : sept 04
tel : +44 118 979 1238 fax : +44 118 979 1283 email: info@actcrystals.com in keeping with our ongoing policy of product evolvement and improvement, the above specification is subject to change without notice. iso9001: 2000 registered - registration number 6830/2 for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berks, rg41 2ey, uk http://www.actcrystals.com i caution: electrostatic sensitive device. observe precautions for handling! 1. the frequency f c is the frequency of minimum il with the resonator in the specified test fixture in a 50 test system with vswr 1.2:1. typically, f oscillator or f transmitter is less than the resonator f c . 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 temperatures above +65c. typically, aging 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 ]. typically, oscillator t 0 is 20 less than the specified resonator t 0 . 5. this equivalent rlc model approximates resonator performance near the resonant frequency and is provided for reference only. the capacitance c 0 is the measured static (non-motional) capacitance between either pin 1 and ground or pin 2 and ground. 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 emissions testing and government approval, which is the responsibility of the equipment manufacturer. 9. our liability is only assumed for the surface acoustic wave (saw) component(s) per se, not for applications, processes and circuits implemented within components or assemblies. issue : 1 c1 date : sept 04
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