01 April 2008
Specification for crystal filter:
1. General
1.1. Package:
QF 4.9985 -0150/08
1.2.
1.3.
1.4.
1.5.
2.
2.1.
2.2.
2.2.1.
2.2.2.
2.2.3.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
Electric values
Nominal centre frequency fo:
Pass band
Bandwidth between 2 dB frequencies:
Ripple at fo
0.75 kHz:
Insertion loss:
( measured on smallest attenuation in pass band )
QF 4.9985-0150/08
7
0°C to +75°C
-45°C to +85°C
4.9985 MHz
> fo
0.75 kHz
< 2 dB
< 3.0 dB
2.3.
Stop band
2.3.1. fo
2.0 kHz
2.3.2. Alternate attenuation:
2.4.
2.5.
Terminating impedance ( input and output ):
Out band Intermodulation
- input power level:
- frequencies:
- Intermodulation
Marking:
> 60 dB
> 80 dB
50
// 0 pF
-10 dBm
fo
2.5 kHz / fo
5.0 kHz
> 80 dB
manufacturer, date code
QF 4.9985-0150/08
Corresponding to Vectron CF001
3.
4.
Environment conditions:
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Edited by:
date: _________________________________ name: _____________________________