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NMF479.5-6 479.5MHz SAW Filter Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: MODEL: SAW FILTER NMF479.5- 7 TO-39B HOPE MICROELECTRONICS CO.,LIMITED Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com Page 1 of 4 http://www.hoperf.com SAW Filter 1.Package Dimension (TO-39) Pin 1 2 3 4 Dimensions A B C D E NMF479.5-7 The NMF479.5-7 is an IF filter for DBS receivers with constant group delay. Configuration Input / Output Output 2 / Input2 Output 1 / Input1 Ground Data (Unit: mm) 9.350.10 5.080.10 3.400.10 3.000.20 4-0.450.20 2.Marking 3.Equivalent LC Model NMF479.5-7 Color: Black or Blue 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 VPP VDC Tstg TA Value 5 0 -40 to +85 -25 to +85 Unit V V 4-2.Electronic Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: Group delay aperture: TA = 25 ZS = 50 ZL = 50 0.25MHz Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com SAW Filter Characteristics of Channel1 Characteristic Center Frequency Insertion attenuation 479.50 MHz (Reference level for the following data) Pass bandwidth Relative attenuation Lower sidelobe Upper sidelobe rel3dB 466.00 MHz 493.00 MHz 430.00 ....455.00 MHz 504.00 ... 530.00 MHz fC B3dB rel NMF479.5-7 Min. 478.50 ----34.0 34.0 40.0 TCf ---- Typ. 479.50 22.0 27.0 3.2 3.5 39.0 39.0 45.0 0.6 10 -86 Max. 480.50 24.5 -5.0 5.0 ---1.2 18 -- Unit MHz dB MHz dB dB dB dB dB dB ns ppm/K Reflected wave signal suppression 0.135s ... 2.0s after main pulse Amplitude ripple (p-p) Group delay ripple (p-p) 471.00 ... 488.00 MHz 466.00 ... 493.00 MHz Temperature coefficient of frequency Characteristics of Channel2 Characteristic Center Frequency Insertion attenuation 479.50 MHz (Reference level for the following data) Pass bandwidth Relative attenuation Lower sidelobe Upper sidelobe rel3dB 461.50 MHz 497.50 MHz 430.00 ....449.00 MHz 510.00 ... 530.00 MHz fC B3dB rel Min. 478.50 ----34.0 30.0 40.0 TCf ---- Typ. 479.50 25.0 36.0 3.5 2.3 39.0 36.0 45.0 0.6 12 -86 Max. 480.50 26.5 -4.8 4.8 ---1.2 18 -- Unit MHz dB MHz dB dB dB dB dB dB ns ppm/K Reflected wave signal suppression 0.13s ... 2.0s after main pulse Amplitude ripple (p-p) Group delay ripple (p-p) 468.50 ... 490.50 MHz 461.50 ... 497.50 MHz Temperature coefficient of frequency CAUTION: Electrostatic Sensitive Device. Observe precautions for handling! C 2003. All Rights Reserved. Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com |
Price & Availability of NMF4795-7
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