MQF71.85-2500 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Specification for monolithic crystal filter

Specification for monolithic crystal filter
1. General
1.1. Case:
MQF 71.85-2500/11
20 February 2007
Temperature / °C
Chip-mount air reflow profile
max. 260°C
217°C
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Storage temperature range:
max. 300 s
10 ... 30 s
Time / s
30 ... 150 s
MQF 71.85-2500/11
6, fundamental mode
-40°C to +70°C
-45°C to +85°C
2. Electric values
2.1. Nominal centre frequency fo:
71.85 MHz
2.2. Pass band
2.2.1. Bandwidth between 6 dB - frequencies:
2.2.2. Ripple:
2.2.3. Group delay distortion:
2.2.4. Insertion loss:
( measured on smallest attenuation in pass band )
> fo ± 12.5 kHz
< 1.5 dB at fo ± 9 kHz
< 14 µs at fo ± 9 kHz
< 4.5 dB
2.3. Stop band
2.3.1. fo ± 30 kHz
2.3.2. fo ± 45 kHz
2.3.3. fo ± 60 kHz
2.3.4. fo -900 kHz………-1000 kHz
2.3.5. Spurious responses:
> 20 dB
> 40 dB
> 55 dB
> 80 dB
> 50 dB
2.4. Terminating impedance ( input and output ):
50 Ω // 0 pF
2.5. Maximum input level:
-5 dBm ( +5 dBm non-damaged )
3. Marking on the case:
manufacturer, date code
MQF 71.85-2500/11
4. Environment conditions:
Corresponding to Telefilter CF001
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Edited by:
date: ________________________ name: ______________________________