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QF124-8-7000-02 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Environment conditions: Corresponding to Vectron standard CF001
Specification for crystal filter:
1. General
1.1. Package:
QF 124.8 -7000/02
22 March 2012
Filters are Pb-free and 2002/95 / EC RoHS compliant
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Storage temperature range:
QF 124.8-7000/02
4
-40°C to +85°C
-45°C to +85°C
2. Electric values
2.1. Nominal centre frequency ( fo ):
2.2 Center frequency at +25°C ( fc ):
124.8 MHz
124.8 MHz  2.0 kHz
2.3. Pass band
2.3.1. Bandwidth between 3 dB – frequencies:
2.3.2. Ripple in pass band peak to peak:
2.3.3. Insertion loss:
( measured on smallest attenuation in pass band )
2.3.4. Group delay absolute at fc:
2.3.5. Group delay distortion
> fc  35 kHz
< 0.5 dB
< 4.0 dB
10 µs  2 µs
< 2.5 µs at fc  35 kHz
2.4. Stop band
2.4.1. fc  60 kHz
2.4.2. fc  120 kHz
2.4.3. fc +150 kHz / -170 kHz
2.4.4. fc  350 kHz
2.4.5. fc -768 kHz
2.4.6. Ultimate attenuation
2.4.7. Spurious responses
fc +150kHz…...+5.0 MHz:
40 MHz………....90 MHz:
> 6 dB
> 30 dB
> 40 dB
> 60 dB
> 70 dB
> 60 dB
> 30 dB
> 30 dB
> 10 dB
2.5. Terminating impedance R//C ( input and output ):
2.6. Maximum input power level ( working and for reference
measurements / non damaged )
50  // 0 pF
-10 dBm / +8 dBm
3. Marking:
manufacturer, date code
QF 124.8-7000/02
4. Environment conditions:
according to Vectron standard CF001
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Edited by:
date: ___________________________ name: ___________________________________