B39311R771U310 EPCOS | Alldatasheet

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Technical content

2 Mar 03, 2004

314,875 / 315,125 MHzResonator Data Sheet Ceramic packageQCC8C

Features

■ 1-port resonator (2 Resonators in 1 housing) ■ Provides reliable, fundamental mode, quartz fre- quency stabilization i.e. in transmitters or local oscillators ■ Protection layer: Protec Terminals ■ Ni, gold plated Dimensions in mm, approx. weight 0,1 g Pin configuration

1 Input Reso 1

3 Input Reso 2

7 Output Reso 1

5 Output Reso 2

4,8 Ground (case) 2,6 float ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to R 771 B39311-R 771-U310 C61157-A7-A56 F61074-V8169-Z000 Maximum ratings Operable temperature range TA –45/+120 ˚C Storage temperature rangeTstg –45/+120 ˚C DC voltage VDC 12 V between any terminals Source power Ps 0 dBm C1 C2 C02C01 1 7 35 R1 L1 R2 L2

3 Mar 03, 2004

314,875 / 315,125 MHzResonator Data Sheet Characteristics Resonator 1 Reference temperature: TA = 25 ˚C Terminating source impedance: ZS = 50Ω Terminating Load impedance: ZL = 50Ω min. typ. max. Center frequency Resonator 11) 1) Center frequency is defined as the maximum of the real part of the admittance. fc 314,825 314,875 314,925 MHz Frequency offset Resonator 2 to Resonator 1foffset 200,0 250,0 300,0 KHz Minimum insertion attenuation α min — 1,3 1,6 dB Unloaded quality factor Q U 9600 13200 — Ageing offc —— ± 50 ppm Equivalent circuit elements Motional capacitance C 1 — 2,39 — fF Motional inductance L1 — 106,94 — µH Motional resistance R 1 —1 62 2 Ω Parallel capacitance2) 2) If used in two port configuration (pin 1-input, pin 7-output)C 0 is reduced by approx. 0,3 pF. C 01 — 3,1 — pF Temperature coefficient of frequency3) 3) Temperature dependence offc: fc(TA) =fc(T0)(1 +TC f(TA –T0)2) TC f — – 0,03 — ppm/K 2 Turnover temperature T0 0— 3 0 ˚ C

4 Mar 03, 2004

314,875 / 315,125 MHzResonator Data Sheet Characteristics Resonator 2 Reference temperature: TA = 25 ˚C Terminating source impedance: ZS = 50Ω Terminating Load impedance: ZL = 50Ω min. typ. max. Center frequency Resonator 21) 1) Center frequency is defined as the maximum of the real part of the admittance. fc 315,075 315,125 315,175 MHz Frequency offset Resonator 2 to Resonator 1foffset 200,0 250,0 300,0 KHz Minimum insertion attenuation α min — 1,3 1,6 dB Unloaded quality factor Q U 9600 13200 — Ageing offc —— ± 50 ppm Equivalent circuit elements Motional capacitance C 2 — 2,38 — fF Motional inductance L2 — 107,32 — µH Motional resistance R 2 —1 62 2 Ω Parallel capacitance2) 2) If used in two port configuration (pin 3-input, pin 5-output)C 0 is reduced by approx. 0,3 pF. C 02 — 3,1 — pF Temperature coefficient of frequency3) 3) Temperature dependence offc: fc(TA) =fc(T0)(1 +TC f(TA –T0)2) TC f — – 0,03 — ppm/K 2 Turnover temperature T0 0— 3 0 ˚ C

5 Mar 03, 2004

314,875 / 315,125 MHzResonator Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE AE PD P.O. Box 80 17 09, D-81617 München  EPCOS AG 2004. All Rights Reserved. Reproduction, publication and dissemination of this bro- chure 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 con- sidered 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.