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ACTF377 Datasheet(PDF) 3 Page - Advanced Crystal Technology |
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ACTF377 Datasheet(HTML) 3 Page - Advanced Crystal Technology |
3 / 3 page Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com 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 http://www.actcrystals.com 3 OF 3 5-2. Electronic Characteristics Operating temperature: TA = -10 … +60 °C Terminating source impedance: ZS = 50 Ω unbalanced and matching network Terminating load impedance: ZL = 50 Ω unbalanced and matching network Characteristics Minimum Typical Maximum Units Centre frequency fC -- 280.000 -- MHz Minimum insertion attenuation αmin (including matching network) -- 11.0 13.5 dB 3dB Bandwidth BW3dB 16 20 -- MHz Amplitude ripple (p-p) Δ α fC±7MHz -- ±0.5 -- dB Group delay ripple (p-p) Δτ fC±7MHz -- 40 100 ns Relative attenuation (relative to αmin) αrel 230 MHz ~ 260 MHz 300 MHz ~ 330 MHz 35 28 46 37 -- -- dB dB Temperature coefficient of frequency TCf -- -87 -- ppm/K iCAUTION: Electrostatic Sensitive Device. Observe precautions for handling! 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 centre frequency, f C. 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. Issue : 1 C1 Date : SEPT 04 |
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