VECTRON QF700-8000-02

19 April 2005
Specification for crystal filter:
QF 70.0-8000/02
1. General
1.1. Case:
1.2.
1.3.
1.4.
1.5.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
QF 70.0-8000/02
2
-40°C to +85°C
-45°C to +85°C
2.
Electric values
2.1.
Nominal centre frequency fo:
70.0 MHz
2.2.
2.2.1.
2.2.2.
2.2.3.
2.3.4.
2.3.5.
2.2.6.
Pass band
Bandwidth between 3 dB - frequencies:
Ripple in the range fo ± 40 kHz:
Group delay at fo:
Group delay absolute at fo:
Group delay distortion in the range fo ± 40 kHz
Insertion loss:
( measured on smallest attenuation in pass band )
> fo ± 40 kHz
Gaussian
< 6 µs
4.5 µs ± 1 µs
< 1 µs
< 4 dB
2.3.
Stop band
2.3.1. fo ± 400 kHz
2.3.2. Alternate attenuation:
≥ 30 dB
≥ 40 dB ( except spurious )
2.4.
Terminating impedance ( input and output ):
50 Ω // 0 pF
3.
Marking on the case:
firm, year week
QF 70.0-8000/02
4.
Environment conditions:
Corresponding to Telefilter CF001
_______________________________________________________________________________________
Edited by:
date: _________________
Name: __________________________