B3684 EPCOS | Alldatasheet

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Technical content

2 Oct 17, 2000

387,5 MHzLow-Loss Filter Data Sheet Ceramic package QCC8C

Features

  • Low-loss filter (WBN) for Trunked Radio
  • Usable bandwidth 5 MHz
  • No matching required for operation at 50Ω
  • Package for Surface Mounted Technology (SMT)
  • Hermetically sealed ceramic package Terminals
  • Gold-plated Dimensions in mm, approx. weight 0,1 g Pin configuration

2 Input

3 Input ground

6 Output

7 Output ground

1, 5 Ground 4, 8 Case ground ElectrostaticSensitiveD evice (ESD ) Type Ordering code Marking and Package according to Packing according to B3684 B39391-B3684-U310 C61157-A7-A56 F61064-V8070-Z000 Maximum ratings Operable temperature range T – 25/+ 75 ˚C Storage temperature rangeTstg – 40/+ 85 ˚C DC voltage VDC 0V Source power Ps 10 dBm source impedance 50 Ω

3 Oct 17, 2000

387,5 MHzLow-Loss Filter Data Sheet Characteristics Operating temperature: T = +15 ... +35 ˚C Terminating source impedance: ZS =5 0 Ω Terminating load impedance: ZL =5 0 Ω min. typ. max. Nominal frequency fN — 387,5 — MHz Maximum insertion attenuation α max 385,0 MHz ... 390,0 MHz — 3,2 3,5 dB Amplitude ripple(p-p) Δα 385,0 MHz ... 390,0 MHz — 0,9 1,4 dB Return loss (Input and Output) 385,0 MHz ... 390,0 MHz 11,0 12,5 — dB Group delay τ 385,0 MHz ... 390,0 MHz — 140 180 ns Deviation from lin. phase (in 1 MHz bandwidth)Δϕ 385,0 MHz ... 390,0 MHz — 0,9 5 ˚ Absolute attenuation α abs 45,0 MHz ... 81,5 MHz 40 70 — dB 222,0 MHz ... 300,0 MHz 40 60 — dB 303,5 MHz ... 345,0 MHz 20 45 — dB 395,0 MHz ... 396,0 MHz 28 30 — dB 396,0 MHz ... 400,0 MHz 30 32 — dB 407,5 MHz ... 475,0 MHz 30 40 — dB 475,0 MHz ... 1025,0 MHz 40 45 — dB 1025,0 MHz ... 2000,0 MHz 20 30 — dB 2000,0 MHz ... 4000,0 MHz 15 17 — dB Temperature coefficient of frequency TC f — – 36 — ppm/K

4 Oct 17, 2000

387,5 MHzLow-Loss Filter Data Sheet Characteristics Operating temperature: T = -25 ... +75 ˚C Terminating source impedance: ZS =5 0 Ω Terminating load impedance: ZL =5 0 Ω min. typ. max. Nominal frequency fN — 387,5 — MHz Maximum insertion attenuation α max 385,0 MHz ... 390,0 MHz — 3,5 4,0 dB Amplitude ripple(p-p) Δα 385,0 MHz ... 390,0 MHz — 1,1 2,0 dB Return loss (Input and Output) 385,0 MHz ... 390,0 MHz 11,0 12,5 — dB Group delay τ 385,0 MHz ... 390,0 MHz — 140 180 ns Deviation from lin. phase (in 1 MHz bandwidth)Δϕ 385,0 MHz ... 390,0 MHz — 1,3 5 ˚ Temperature coefficient of frequency TC f — – 36 — ppm/K

5 Oct 17, 2000

387,5 MHzLow-Loss Filter Data Sheet Transfer function Transfer function (pass band; +15 ˚C ... +35 ˚C)

6 Oct 17, 2000

387,5 MHzLow-Loss Filter Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, OFW E NK 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.