NMF479.5-6 479.5MHz SAW Filter Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: SAW FILTER MODEL: NMF479.5- 7 TO-39B HOPE MICROELECTRONICS CO.,LIMITED Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: [email protected] Page 1 of 4 http://www.hoperf.com SAW Filter NMF479.5-7 The NMF479.5-7 is an IF filter for DBS receivers with constant group delay. 1.Package Dimension (TO-39) 2.Marking Pin Configuration 1 Input / Output 2 Output 2 / Input2 3 Output 1 / Input1 4 Ground Dimensions Data (Unit: mm) A 9.35±0.10 B 5.08±0.10 C 3.40±0.10 D 3.00±0.20 E 4-Φ0.45±0.20 3.Equivalent LC Model NMF479.5-7 Color: Black or Blue 4.Performance 4-1.Maximum Ratings Rating Value Unit AC Voltage Between Any Two Pins VPP 5 V DC Voltage Between Any Two Pins VDC 0 V Storage temperature range Tstg -40 to +85 ℃ Operable temperature range TA -25 to +85 ℃ 4-2.Electronic Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: Group delay aperture: TA = 25 ℃ ZS = 50 Ω ZL = 50 Ω 0.25MHz Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: [email protected] http://www.hoperf.com SAW Filter NMF479.5-7 Characteristics of Channel1 Characteristic Min. Typ. Max. Unit Center Frequency fC 478.50 479.50 480.50 MHz Insertion attenuation 479.50 MHz (Reference level for the following data) α -- 22.0 24.5 dB -- 27.0 -- MHz --34.0 34.0 3.2 3.5 39.0 39.0 5.0 5.0 --- dB dB dB dB 40.0 45.0 -- dB αrel≤3dB Pass bandwidth Relative attenuation Lower sidelobe Upper sidelobe 466.00 MHz 493.00 MHz 430.00 ….455.00 MHz 504.00 … 530.00 MHz B3dB αrel Reflected wave signal suppression 0.135µs … 2.0µs after main pulse Amplitude ripple (p-p) 471.00 … 488.00 MHz ∆α -- 0.6 1.2 dB Group delay ripple (p-p) 466.00 … 493.00 MHz ∆τ -- 10 18 ns TCf -- -86 -- ppm/K Min. Typ. Max. Unit Temperature coefficient of frequency Characteristics of Channel2 Characteristic Center Frequency fC 478.50 479.50 480.50 MHz Insertion attenuation 479.50 MHz (Reference level for the following data) α -- 25.0 26.5 dB -- 36.0 -- MHz --34.0 30.0 3.5 2.3 39.0 36.0 4.8 4.8 --- dB dB dB dB 40.0 45.0 -- dB αrel≤3dB Pass bandwidth Relative attenuation Lower sidelobe Upper sidelobe 461.50 MHz 497.50 MHz 430.00 ….449.00 MHz 510.00 … 530.00 MHz B3dB αrel Reflected wave signal suppression 0.13µs … 2.0µs after main pulse Amplitude ripple (p-p) 468.50 … 490.50 MHz ∆α -- 0.6 1.2 dB Group delay ripple (p-p) 461.50 … 497.50 MHz ∆τ -- 12 18 ns TCf -- -86 -- ppm/K Temperature coefficient of frequency LCAUTION: Electrostatic Sensitive Device. Observe precautions for handling! C ○ 2003. All Rights Reserved. Tel:+86-755-82973806 Fax:+86-755-82973550 E-mail: [email protected] http://www.hoperf.com