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SF914 Datasheet(PDF) 1 Page - Vanlong Technology Co., Ltd. |
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SF914 Datasheet(HTML) 1 Page - Vanlong Technology Co., Ltd. |
1 / 2 page 914.50 MHz SAW Filter Phone: +86 10 6301 4184 Fax: +86 10 6301 9167 Email: sales@vanlong.com Web: http://www.vanlong.com © April 2004 by Vanlong Technology Co., Ltd. SF914 • Ideal for Receivers in 914.50 MHz • Low-Loss, Coupled-Resonator Quartz Design • Simple External Impedance Matching • Rugged, Hermetic, Low Profile F-11 Package Absolute Maximum Rating (Ta=25 °C) Parameter Rating Unit CW RF Power Dissipation P +10 dBm DC Voltage VDC Between Any Two Pins VDC ±30 V Operating Temperature Range TA -10 ~ +60 °C Storage Temperature Range Tstg -40 ~ +85 °C Electronic Characteristics Parameter Sym Minimum Typical Maximum Unit Nominal Frequency (at 25 °C) (Center frequency between 3dB point) fC NS 914.50 NS MHz Insertion Loss IL - 4.5 5.5 dB Passband Ripple ∆α - 1.5 2.5 dB 3dB Passband BW3 15.0 17.0 - dB Absolute Attenuation DC … 884.50 MHz 944.50 … 1114.5 MHz α rel 40 30 50 50 - - dB dB Frequency Aging Absolute Value during the First Year |fA| - - 10 ppm/yr DC Insulation Resistance Between any Two Pins - 1.0 - - M Ω Input / Output Impendance (nominal) - - 50//0 - Ω//pF NS = Not Specified Notes: 1. The frequency fC is defined as the midpoint between the 3dB frequencies. 2. Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture that is connected to a 50 Ω 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. 3. 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. 5. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale. 6. 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. 7. For questions on technology, prices and delivery please contact our sales offices or email to sales@vanlong.com. SF914 |
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