02 December 2011
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 20.208–3200/06
1.2.
1.3.
1.4.
1.5.
1.6.
2.
2.1.
2.2.
2.2.1.
2.2.2.
2.2.3.
2.2.4.
2.2.5.
2.2.6.
Type name:
Number of poles:
Operating temperature range:
Operable temperature range:
Storage temperature range:
Electric values
Nominal centre frequency fo:
Pass band
Centre frequency fc at +25°C
Bandwidth between 3 dB - frequencies:
Group delay ( absolute ) at fc and at +25°C:
Differential group delay at fc
±
16 kHz:
Return loss ( IN / OUT ) at fc and at +25°C:
Insertion loss at fc:
MQF 20.208-3200/06
2
-40°C to +85°C
-54°C to +105°C
-62°C to +105°C
20.208 MHz
20.208 MHz
±
1.0 kHz
> fc
±
16 kHz
12 µs
±
3 µs
< 3.5 µs peak to peak
> 8 dB
< 4.0 dB
2.3.
2.3.1.
2.3.2.
2.3.3.
2.3.4.
2.3.5.
2.3.6.
2.3.7.
2.3.8.
2.4.
2.5.
Stop band
fc
±
25 kHz
fc
±
100 kHz
fc ± 240 kHz......282 kHz
fc - 384 kHz
fc ± 500 kHz
fc + 6.144 MHz ± 20 kHz
Alternate attenuation:
Spurious responses
Terminating impedance ( input and output ):
> 4 dB
> 25 dB
> 30 dB
> 45 dB
> 50 dB
> 70 dB
> 50 dB
> 15 dB ( fc +100kHz…500 kHz ):
50
Ω
// 0 pF
Out-band intermodulation
third order intermodulation products shall be 46 dB down from either of two -14 dBm input
tones at fc ± 50 kHz and fc ± 100 kHz as referenced to the input.
Maximum input power
working / non-damaged
:
Marking on the package ( top view ):
+3 / +15 dBm
2.6.
3.
4.
5.
Environment conditions:
Soldering conditions
Corresponding to Vectron MIL standard
6. Taping:
Maximum 500 pcs. per reel, reel diameter 300 mm
_______________________________________________________________________________
Edited by:
date: _______________________ name: __________________________
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