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| Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com The ACTQ868.3D/868.3/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 868.300 MHz. 1.Package Dimension (TO-39) 2. Pin 1 2 3 Dimension A B C D E Configuration Input / Output Output / Input Case Ground Data (unit: mm) 9.300.20 5.080.10 3.400.20 30.20 50.20 0.450.20 3.Equivalent LC Model and Test Circuit 4.Typical Application Circuits 1) Low-Power Transmitter Application 2) Local Oscillator Application 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com 5.Typical Frequency Response 6.Temperature Characteristics 7.Performance 7-1.Maximum Ratings Rating CW RF Power Dissipation DC Voltage Between Any Two Pins Storage Temperature Range Operating Temperature Range P VDC Tstg TA Value 10 30 -40 to +85 -10 to +60 Unit dBm V C C 7-2.Electronic Characteristics Characteristic Centre Frequency (+25C) Insertion Loss Unloaded Q Quality Factor 50 Loaded Q Turnover Temperature Temperature Stability Turnover Frequency Frequency Temperature Coefficient Frequency Aging Absolute Value during the First Year Absolute Frequency Tolerance from 868.300 MHz Sym fC fC IL QU QL TO fO FTC |fA| Minimum 868.150 Typical Maximum 868.450 Unit MHz kHz 150 6.0 5,400 2,700 25 fc 0.032 10 1.0 55 8.0 dB C kHz ppm/C 2 ppm/yr M DC Insulation Resistance Between Any Two Pins Motional Resistance RF Equivalent RLC Model Motional Inductance Motional Capacitance Shunt Static Capacitance RM LM CM CO 99.5 98.7819 0.3405 2.20 2.50 151 H fF 2.80 pF 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com iCAUTION: Electrostatic Sensitive Device. Observe precautions for handling! 1. 2. 3. 4. The frequency fC 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 fTRANSMITTER is less than the resonator f C. Unless noted otherwise, case temperature T C = +25C2C. 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. Turnover temperature, T0, is the temperature of maximum (or turnover) frequency, f 0. The nominal frequency at 2 any case temperature, TC, may be calculated from: f = f 0 [1 - FTC (T 0 - TC) ]. Typically, oscillator T0 is 20 less than the specified resonator T0. 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. Derived mathematically from one or more of the following directly measured parameters: f C, IL, 3 dB bandwidth, fC versus TC, and C0. The specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. Typically, equipment utilizing this device requires emissions testing and government approval, which is the responsibility of the equipment manufacturer. 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. 5. 6. 7. 8. 9. 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com |
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