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| 446.00 MHz SAW Filter * * * * Ideal for Receiver in 446.00 MHz Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Rugged, Hermetic, Low Profile F-11 Package SF446B Absolute Maximum Rating (Ta=25C) Parameter CW RF Power Dissipation DC Voltage VDC Between Any Two Pins Operating Temperature Range Storage Temperature Range P VDC Rating +10 30 -10 ~ +60 -40 ~ +85 Unit dBm V C C TA Tstg Electronic Characteristics Parameter Nominal Frequency (at 25C) (Center frequency between 3dB point) Insertion Loss User Signal Passband Passband Ripple (p-p) 443.00 ... 449.00 MHz 443.00 ... 449.00 MHz Sym fC Minimum NS 50 1.0 Typical 446.00 3.5 3.0 2.0 60 150//0 Maximum NS 5.0 10 Unit MHz dB MHz dB dB ppm/yr M //pF IL BW rel |fA| - Attenuation (out of fC 30MHz) Frequency Aging Absolute Value during the First Year DC Insulation Resistance Between any Two Pins Input / Output Impendance (nominal) NS = Not Specified Notes: 1. The frequency fC is defined as the midpoint between the 3dB frequencies. Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture that is connected to a 50 test system with VSWR 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, fC. Note that insertion loss, bandwidth, and passband shape are dependent on the impedance matching component values and quality. Unless noted otherwise, specifications apply over the entire specified operating temperature range. 4. The specifications of this device are based on the test circuit shown above and subject to change or obsolescence without notice. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale. 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. For questions on technology, prices and delivery please contact our sales offices or email to sales@vanlong.com. 2. 5. 6. 3. 7. Phone: +86 10 6301 4184 Fax: +86 10 6301 9167 Email: sales@vanlong.com Web: http://www.vanlong.com SF446B (c) April 2004 by Vanlong Technology Co., Ltd. 446.00 MHz SAW Filter Package Dimensions (F-11) Electrical Connections Terminals 1 2 3 4 Connection Input/Output Case Ground Case Ground Output/Input Package Dimensions Dimensions A B C D E F Nom. (mm) 11.0 4.5 3.2 0.45 5.0 2.54 Tol. (mm) 0.3 0.3 0.3 0.1 0.5 0.2 Marking Test Circuit 100 100 SF446B Ink Marking Color: Black or Blue From 50 source To 50 load Typical Frequency Response Phone: +86 10 6301 4184 Fax: +86 10 6301 9167 Email: sales@vanlong.com Web: http://www.vanlong.com SF446B (c) April 2004 by Vanlong Technology Co., Ltd. |
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