VECTRON QF700-20000-05

Specification for crystal filter
QF 70. 0-20000/05
16 August 2006
1. General
1.1. Case:
1.2.
1.3.
1.4.
1.5.
Type name:
Number of poles:
Operating temperature range ( OTR ):
Storage temperature range:
2.
Electric values
2.1.
Nominal centre frequency fo:
QF 70.0-20000/05
4, fundamental mode
-20°C to +80°C
-45°C to +85°C
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:
( measured on smallest attenuation in pass band )
< 8 dB
2.3.
2.3.1.
2.3.2.
2.3.3.
2.3.4.
Stop band
fo ± 500 kHz
fo ± 800 kHz
fo ± 2000 kHz
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: ________________________