B3841 EPCOS | Alldatasheet
Document overview
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Technical content
2 Feb 26, 2002
174,2 MHzLow-Loss Filter Data Sheet Ceramic packageDCC18
Features
■ Low-loss IF filter for GSM base station ■ Temperature stable ■ Ceramic SMD package ■ Unbalanced or balanced operation Terminals ■ Gold plated Dimensions in mm, approx. weight 0,8 g Pin configuration
10 Input or balanced input
1 Input ground or balanced input
5 Output or balanced output
6 Output ground or balanced output
3, 8 Ground 2, 4, 7, 9 Case ground ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to B3841 B39171-B3841-U210 C61157-A7-A54 F61074-V8069-Z000 Maximum ratings Operable temperature range T –40 / +85 ˚C Storage temperature rangeTstg –40 / +85 ˚C DC voltage VDC 0V Source power Ps 10 dBm
3 Feb 26, 2002
174,2 MHzLow-Loss Filter Data Sheet Characteristics Operating temperature range: T = -5 to +85 ˚C Terminating source impedance: ZS = 250 Ω || 43 nH Terminating load impedance: ZL = 400 Ω| |92 nH 1)Temperature dependance offc: fc(TA) =fc(T0)(1 +TC f(TA –T0)2) min. typ. max. Nominal frequency fN — 174,2 — MHz Minimum insertion attenuation α min — 6,2 8,0 dB 3dB bandwidth α rel ≤ 3,0 dB B3,0dB 660 730 — kHz Amplitude ripple(p-p) fN ± 67 kHz Δα — 0,1 0,25 dB fN ± 125 kHz Δα — 0,3 1,0 dB fN ± 200 kHz Δα — 0,6 1,2 dB Absolute group delay (atfN )τ — 2,3 2,6 µs Group delay ripple (p-p) fN ± 200 kHz Δτ — 190 260 ns Relative attenuation(relative toα min) α rel fN ± 469 kHz ... fN ± 600 kHz 4 10 — dB fN ± 600 kHz ... fN ± 860 kHz 11 20 — dB fN ± 860 kHz ... fN ± 1200 kHz 20 30 — dB 20 MHz ... 168,2 MHz 50 60 — dB 168,2 MHz ... fN − 1200 kHz 40 50 — dB fN + 1200 kHz ... 180,2 MHz 40 43 — dB 180,2 MHz ... 400 MHz 50 70 — dB Return loss (atfN ) 10 12 — dB Temperature coefficient of frequency 1) TC f — –0,036 — ppm/K 2 Turnover temperature T0 —4 0 — ˚ C
4 Feb 26, 2002
174,2 MHzLow-Loss Filter Data Sheet Matching network to 50Ω (Element values depend on PCB layout) Cp1 = 47 pF Ls2 = 39 nH Ls3 = 36 nH Cp4 = 56 pF
5 Feb 26, 2002
174,2 MHzLow-Loss Filter Data Sheet Normalized frequency response Normalized frequency response (pass band)
6 Feb 26, 2002
174,2 MHzLow-Loss Filter Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this bro- chure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be con- sidered as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.