QF700-8000-02 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Specification for crystal filter

Specification for crystal filter:
1. General
1.1. Case:
QF 70.0-8000/02
19 April 2005
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. 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. Pass band
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple in the range fo ± 40 kHz:
2.2.3. Group delay at fo:
2.3.4. Group delay absolute at fo:
2.3.5. Group delay distortion in the range fo ± 40 kHz
2.2.6. 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
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Edited by:
date: _________________
Name: __________________________