Details, datasheet, quote on part number: TFS87
PartTFS87
CategoryTiming Circuits => SAW Devices (Surface Acoustic Wave)
TitleSAW Devices (Surface Acoustic Wave)
DescriptionApplication = Base Station ;; Center Frequency = 87.1 MHZ ;; 3 DB = 2.4 MHZ ;; Pass Band Ripple = 1.0dB ;; Insertion Loss = 25.0dB ;; Group Delay Ripple = 150ns ;; Package = 35 MM X 20 MM Dip
CompanyVectron International
DatasheetDownload TFS87 datasheet
  

 

Features, Applications

1. Measurement condition Package, pin connection and 50 matching network. see page 2.

Ambient temperature TA: 23 C Input power level: 0 dBm (typ.) Max 10 dBm. Terminating impedances at fc: for input: - 22,5 pF. for output: - 11,8 pF. 2. Characteristics

Remark: Reference level for the relative attenuation arel of the TFS 87 is the minimum of the pass band attenuation amin. The minimum of the pass band attenuation amin is defined as the insertion loss ae. The reference frequency fc is the arithmetic mean value of the upper and lower frequencies at the 20 dB filter attenuation level relative to the insertion loss ae.

Data typ. value tolerance / limit 22 dB max 25 dB Insertion loss (Reference level) ae Reference frequency fc at ambient temperature (fCAT) 87.10 MHz 0.2 MHz Relative frequency distance of fCAT within one set of 3 filters 21200 kHz max 20 kHz 1st filter with fCAT = 65,9 MHz 200 kHz 2nd filter with fCOT = 75,3 MHz 200 kHz 11800 kHz max 20 kHz dB - band width 2.35 MHz dB - band width 2.47 MHz dB - band width 2.77 MHz dB - band width 2.93 MHz Amplitude ripple (p-p): fc... 1.1 MHz 0.7 dB max 1.0 dB Relative attenuation arel 1.1 MHz max 1.1 MHz 1.2 MHz max 1.5 MHz 42 dB min dB In the frequency range 1,5 MHz... 25 MHz the limit line is of type SLOPING LINE. 25 MHz 65 dB min 25 MHz 50 MHz 70 dB Group delay 4.87 s max 5.0 s Group delay ripple (p-p): fc... 1.2 MHz ns max 150 ns Deviation from linear phase (p-p): fc... 1.0 (1.2) MHz 2 (6) Triple transit attenuation compared to main signal 50 dB Input/Output return loss with matching network 4/4 dB Crosstalk 60 dB Substrate material Quartz Frequency inversion temperature To ) Temperature coefficient of frequency ( Tcf ) Frequency deviation of fc over temperature 5 -0.0306 ppm/K

Operating temperature range - 25 C... 80 C Storage temperature range - 40 C... 85 C For the 2nd filter fCOT is its reference frequency fC at the operation temperature 1 C. The reference frequency at ambient temperature fCAT for this 2nd filter and the from it resulting relative frequency distance have to be determined. Generated: Checked/Approved: Weinberg Dr. Bert Wall

VI TELEFILTER Potsdamer Strae 14 513 TELTOW / Germany Tel: Fax: 3328 4784-30 E-Mail: tft@telefilter.com

Vectron International, Inc. 267 Lowell Road Hudson, 03051 / USA Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: vti@vtinh.com

VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information

VI TELEFILTER Potsdamer Strae 14 513 TELTOW / Germany Tel: Fax: 3328 4784-30 E-Mail: tft@telefilter.com

Vectron International, Inc. 267 Lowell Road Hudson, 03051 / USA Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: vti@vtinh.com

VI TELEFILTER Filter specification TFS 87 3/3 Air reflow temperature conditions

Name: Temperature: Time: pre-heating periods C 60 sec. - 90 sec. main-heating periods over C 20 sec. - 25 sec. peak temperature 5 C

VI TELEFILTER Potsdamer Strae 14 513 TELTOW / Germany Tel: Fax: 3328 4784-30 E-Mail: tft@telefilter.com

Vectron International, Inc. 267 Lowell Road Hudson, 03051 / USA Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: vti@vtinh.com


 

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