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| Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com The ACTF480-6/479.5/TO39 is a two channel IF filter for DSB receivers with constant group delay. 1.Package Dimension (TO-39) 2. Pin 1 2 3 4 Dimensions A B C D E Configuration Input / Output Output 2 / Input 2 Output 1 / Input 1 Ground Data (Unit: mm) 9.350.10 5.080.10 3.400.10 3.000.20 4-0.450.20 3.Equivalent LC Model 4.Performance 4-1.Maximum Ratings Rating AC Voltage Between Any Two Pins DC Voltage Between Any Two Pins Storage temperature range Operable temperature range V PP V DC T stg TA Value 5 Units V V C C 0 -40 to +85 -25 to +85 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com 4-2.Electronic Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: Group delay aperture: TA = 25 C ZS = 50 ZL = 50 0.25MHz Characteristics of Channel 1 Characteristic Centre Frequency Insertion attenuation 480.00 MHz (Reference level for the following data) Pass bandwidth Relative attenuation 476.00 MHz 484.00 MHz 410.00 ....465.00 MHz 491.50 ... 499.00 MHz 499.00 ... 550.00 MHz rel3dB fc B3dB rel --37.0 34.0 38.0 40.0 TCf ---3.0 2.6 45.0 41.0 47.0 46.0 0.7 13 -86 5.4 5.3 ----1.5 18 -dB dB dB dB dB dB dB ns ppm/K Min. 479.00 --- Typ. 480.00 21.5 8.0 Max. 481.00 23.5 -- Units MHz dB MHz Lower sidelobe Upper sidelobe Reflected wave signal suppression 0.19s ... 2.0s after main pulse Amplitude ripple (p-p) Group delay ripple (p-p) 478.00 ... 482.00 MHz 476.00 ... 484.00 MHz Temperature coefficient of frequency 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com Tel : +44 118 979 1238 Fax : +44 118 979 1283 Email: info@actcrystals.com Characteristics of Channel 2 Characteristic Centre Frequency Insertion attenuation 480.00 MHz (Reference level for the following data) Pass bandwidth Relative attenuation 452.50 MHz 507.50 MHz 410.00 ....440.00 MHz 518.00 ... 550.00 MHz rel3dB fc B3dB rel Min. 479.00 --- Typ. 480.00 23.5 54.5 Max. 481.00 25.5 -- Unit MHz dB MHz Lower sidelobe Upper sidelobe --37.0 36.0 40.0 TCf ---- 4.0 3.0 44.0 41.0 46.0 0.6 11 -86 5.5 5.3 ---1.2 18 -- dB dB dB dB dB dB ns ppm/K Reflected wave signal suppression 0.12s ... 2.0s after main pulse Amplitude ripple (p-p) Group delay ripple (p-p) 461.00 ... 499.00 MHz 452.50 ... 507.50 MHz Temperature coefficient of frequency iCAUTION: Electrostatic Sensitive Device. Observe precautions for handling 1. 2. The frequency f C 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 VSWR1.2:1. 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. Unless noted otherwise, specifications apply over the entire specified operating temperature range. 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. 3. 4. 5. 6. 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 Issue : 1 C1 Date : SEPT 04 http://www.actcrystals.com |
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