27 April 2011
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 21.4 -3000/52
temperature (°C)
260°C max.
260
217
0
time (s)
max 300s
30,,,150s
10,,,,,,30s
Reflow soldering: three times max.
1.2.
1.3.
1.4.
1.5.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
MQF 21.4-3000/52
2
-40°C to +85°C
-45°C to +95°C
2.
2.1.
2.2.
Electric values
Nominal centre frequency fo:
Pass band
21.4 MHz
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple:
2.2.3. Insertion loss:
( measured on smallest attenuation in pass band )
2.2.4. Differential group delay:
> fo 15 kHz
< 1.5 dB at fo 12 kHz
< 3.0 dB
< 20 µs at fo
15 kHz
2.3.
Stop band
> 10 dB
> 50 dB
> 5.0 dB
3000
// 0.5 pF
2.3.1. fo 35 kHz
2.3.2. fo - 910 kHz
2.3.3. Spurious responses fo +150 kHz…....fo +1.0 MHz
2.4.
Terminating impedance R//C ( input and output ):
2.5.
Maximum input power level
operating:
non - damaged:
0 dBm
+10 dBm
3.
Marking:
• M214A3
date code ( yyww )
Corresponding to Vectron CF001
4.
5.
Environment conditions:
Filters are Pb-free and 2002 /95 / EC RoHS compliant
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Edited by:
date: _______________________________ name: ______________________________
微控制器 MCU
