QF21-4-25000-04 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Environment conditions: Corresponding to Vectron standard CF001

Specification for crystal filter:
1. General
1.1. Package:
QF 21.4-25000/04
17 December 2008
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Storage temperature range:
QF 21.4-25000/04
6
-30°C to +70°C
-40°C to +90°C
2. Electric values
2.1. Nominal centre frequency fo:
21.4 MHz
2.2. Pass band
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple:
2.2.3. Insertion loss:
( measured on smallest attenuation in pass band )
> fo  125 kHz
< 2.0 dB at fo  100 kHz
< 8.5 dB
2.3. Stop band
2.3.1. fo  600 kHz
2.3.2. Alternate attenuation
> 60 dB (except spurious )
> 80 dB (except spurious )
2.4. Terminating impedance ( input and output ):
50  // 0 pF
3. Marking:
manufacturer, date code
QF 21.4-25000/04
4. Environment conditions:
Corresponding to Vectron standard CF001
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Edited by: date: _______________________________ name: ______________________________