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| SAW Components Data Sheet R 771 SAW Components Resonator Data Sheet R 771 314,875 / 315,125 MHz Ceramic package QCC8C Features s 1-port resonator (2 Resonators in 1 housing) s Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators s Protection layer: Protec Terminals s Ni, gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration 1 3 7 5 4,8 2,6 Input Reso 1 Input Reso 2 Output Reso 1 Output Reso 2 Ground (case) float R1 L1 C1 R2 L2 C2 C01 1 73 Packing C02 5 Type R 771 Ordering code B39311-R 771-U310 Marking and Package according to C61157-A7-A56 according to F61074-V8169-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps -45/+120 -45/+120 12 0 C C V dBm between any terminals 2 Mar 03, 2004 SAW Components Resonator Data Sheet Characteristics Resonator 1 Reference temperature: Terminating source impedance: Terminating Load impedance: R 771 314,875 / 315,125 MHz TA = 25 C ZS = 50 ZL = 50 min. typ. 314,875 250,0 1,3 13200 -- 2,39 106,94 16 3,1 - 0,03 -- max. 314,925 MHz 300,0 1,6 -- 50 -- -- 22 -- -- 30 ppm fF H pF ppm/K2 C KHz dB Center frequency Resonator 11) fc 314,825 200,0 -- 9600 -- Frequency offset Resonator 2 to Resonator 1 foffset Minimum insertion attenuation Unloaded quality factor Ageing of fc Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Parallel capacitance2) Temperature coefficient of frequency3) Turnover temperature min QU C1 L1 R1 C01 TCf T0 -- -- -- -- -- 0 1) Center frequency is defined as the maximum of the real part of the admittance. 2) If used in two port configuration (pin 1-input, pin 7-output) C0 is reduced by approx. 0,3 pF. 3) Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 3 Mar 03, 2004 SAW Components Resonator Data Sheet Characteristics Resonator 2 Reference temperature: Terminating source impedance: Terminating Load impedance: R 771 314,875 / 315,125 MHz TA = 25 C ZS = 50 ZL = 50 min. typ. 315,125 250,0 1,3 13200 -- 2,38 107,32 16 3,1 - 0,03 -- max. 315,175 MHz 300,0 1,6 -- 50 -- -- 22 -- -- 30 ppm fF H pF ppm/K2 C KHz dB Center frequency Resonator 21) fc 315,075 200,0 -- 9600 -- Frequency offset Resonator 2 to Resonator 1 foffset Minimum insertion attenuation Unloaded quality factor Ageing of fc Equivalent circuit elements Motional capacitance Motional inductance Motional resistance Parallel capacitance2) Temperature coefficient of frequency3) Turnover temperature min QU C2 L2 R2 C02 TCf T0 -- -- -- -- -- 0 1) Center frequency is defined as the maximum of the real part of the admittance. 2) If used in two port configuration (pin 3-input, pin 5-output) C0 is reduced by approx. 0,3 pF. 3) Temperature dependence of fc: fc(TA) = fc(T0)(1 + TCf(TA - T0)2) 4 Mar 03, 2004 SAW Components Resonator Data Sheet R 771 314,875 / 315,125 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE AE PD P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 2004. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 5 Mar 03, 2004 |
Price & Availability of B39311-R771-U310
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