B4908 EPCOS | Alldatasheet

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Technical content

2 Jan 22, 2001

158,55 MHzLow-Loss Filter for Mobile Communication Data Sheet Ceramic packageQCC8BFeatures

  • Low-loss IF filter for mobile telephone, transmit path
  • Low amplitude ripple
  • Usable passbands 1,3 MHz
  • Balanced and unbalanced operation possible
  • Ceramic package forSurfaceM ounted Technology(SMT) Terminals
  • Ni, gold-plated Dimensions in mm, approx. weight 0,07 g Pin configuration

2 Input

3 Input

6 Output

7 Output

4,8 Case - Ground 1,5 To be grounded ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to B4908 B39161-B4908-Z810 C61157-A7-A46 F61074-V8037-Z000 Maximum ratings Operable temperature range T – 40 / + 85 ˚C Storage temperature rangeTstg – 40 / + 85 ˚C DC voltage VDC 0V Source power PIN 10 dBm source impedance 50 Ω

3 Jan 22, 2001

158,55 MHzLow-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: T = -40 to +85 ˚C Terminating source impedance: ZS = 470Ω || 470 nH,single ended (pin 3) Terminating load impedance: ZL = 470Ω || 680 nH,balanced min. typ. max. Center frequency fc — 158,55 — MHz Maximum insertion attenuation α max 157,90 ... 159,20 MHz — 2,5 3,0 dB Amplitude ripple in passband(p-p) Δα 157,90 ... 159,20 MHz — 0,5 1,0 dB Phase linearity deviation Δφ 157,90 ... 159,20 MHz — 0,6 1,5 ˚rms Attenuation α min 0,00 ... 130,00 MHz 50 55 — dB 130,00 ... 139,00 MHz 40 52 — dB 139,00 ... 151,55 MHz 30 39 — dB 165,55 ... 178,00 MHz 14 16 — dB 178,00 ... 475,00 MHz 35 40 — dB 475,00 ... 1000,00 MHz 45 70 — dB

4 Jan 22, 2001

158,55 MHzLow-Loss Filter for Mobile Communication Data Sheet Transfer function(wideband): Transfer function(narrowband):

5 Jan 22, 2001

158,55 MHzLow-Loss Filter for Mobile Communication Data Sheet Transfer function (passband ):

6 Jan 22, 2001

158,55 MHzLow-Loss Filter for Mobile Communication Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E MF P.O. Box 80 17 09, D-81617 München  EPCOS AG 1999. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for compo- nents per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. 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.