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QF21-4-20000-09 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 21.4-20000/09
17 December 2008
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Storage temperature range:
QF 21.4-20000/09
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. Centre frequency fc:
2.2.2. Bandwidth between 3 dB - frequencies:
2.2.3. Ripple:
2.2.4. Insertion loss:
( measured on smallest attenuation in pass band )
21.4 MHz  7.5 kHz
> fo  100 kHz
< 1.5 dB at fo  80 kHz
< 8.0 dB
2.3. Stop band
2.3.1. fo  400 kHz
2.3.2. fo  2.5 MHz......  5 MHz:
2.3.3. Alternate attenuation
2.3.4. Spurious responses:
 60 dB (except spurious )
 90 dB (except spurious )
> 80 dB (except spurious )
> 45 dB at fo+400 kHz…...fo+5.0 MHz
2.4. Terminating impedance ( input and output ):
50  // 0 pF
2.5 Intermodulation
frequency 1: 21.60 MHz / 21.80 MHz
frequency 2: 21.20 MHz / 21.00 MHz
input power: 0 dBm
IM:
> 60 dB
3. Marking:
manufacturer, date code
QF 21.4-20000/09
4. Environment conditions:
Corresponding to Vectron standard CF001
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Edited by: date: _____________________________ name: _______________________________