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MQF21-45-3000-13 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Nominal centre frequency fo: 21.4 MHz
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 21.45-3000/13
01 June 2010
1.2. Type name:
1.3. Number of poles:
1.4. Operating temperature range:
1.5. Storage temperature range:
MQF 21.45-3000/13
4
-20°C to +70°C
-55°C to +125°C
2. Electric values
2.1. Nominal centre frequency fo:
21.45 MHz
2.2. Pass band
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple:
2.2.3. Insertion loss:
( measured on smallest attenuation in pass band )
> fo  15.0 kHz
< 1.0 dB at fo  10.0 kHz
< 3.0 dB
2.3. Stop band
2.3.1. fo  50 kHz
2.3.2. Alternate attenuation
2.3.3. Spurious responses
> 35 dB
fo  910 kHz
> 70 dB (except spurious)
fo +100 …. +1000 kHz > 30 dB
2.4. Terminating impedance R//C ( input and output ): 3300  // -0.3 pF
2.4.1. Coupling capacitance Cc:
2.4 pF
2.5. Input power level for reference measurement:
2.5.1. Maximum input power level:
+0 dBm
+10 dBm
3. Marking on the case:
M2145
yyww
4. Environment conditions:
corresponding to Vectron standard CF001
5. Filters are Pb-free and 2002 /95 / EC RoHS compliant
6. Reflow soldering for Pb-free assembly:
> 100°C for maximum 600 seconds
> 200°C for maximum 180 seconds
> 260°C for maximum 30 seconds
( peak temperature )
cool - down time: 2 hours
7. Packing:
Tape and reel , 1000 pcs. / reel
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Edited by: date: _____________________________ name: _________________________________