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QF700-20000-05 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Specification for crystal filter
Specification for crystal filter
1. General
1.1. Case:
QF 70. 0-20000/05
16 August 2006
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range ( OTR ):
1.5. Storage temperature range:
QF 70.0-20000/05
4, fundamental mode
-20°C to +80°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 6 dB - frequencies:
2.2.2. Ripple:
> fo ± 95 kHz
Gaussian
2.2.3. Group delay in OTR:
< 1.0 µs at fo ± 75 kHz
2.2.4. Insertion loss:
< 8 dB
( measured on smallest attenuation in pass band )
2.3. Stop band
2.3.1. fo ± 500 kHz
2.3.2. fo ± 800 kHz
2.3.3. fo ± 2000 kHz
2.3.4. Spurious responses:
> 40 dB
> 60 dB
> 75 dB
permitted at frequencies > fo + 800 kHz
2.4. Terminating impedance ( input and output ):
50 Ω // 0 pF
2.5. Maximum input power level without damage
-5 dBm ( +10 dBm without destruction )
3. Marking on the case:
manufacturer, date code
QF 70.0-20000/05
4. Environment conditions:
Corresponding to Telefilter CF001
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Edited by:
date: ________________________ name: ________________________