20 April 2004
Specification for monolithic crystal filter:
1. General
1.1. Package ( soldered hermetic sealed ):
MQF 21.4-3000/46
1.2.
1.3.
1.4.
1.5.
2.
2.1.
2.2.
2.2.1.
2.2.2.
2.2.3.
2.2.4.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
Electric values
Nominal centre frequency fo:
Pass band
Bandwidth ( B
3dB
) between 3 dB - frequencies:
Range of Bandwidth at 6 dB ( B
6dB
):
Ripple:
Insertion loss:
( measured on smallest attenuation in pass band )
Stop band
MQF 21.4-3000/46
8
-40°C to +85°C
-45°C to +90°C
21.4 MHz
B
3dB
fo 15 kHz
31 kHz < B
6dB
< 38 kHz
2.0 dB at fo 10 kHz
4.0 dB
2.3.
2.3.1. fo 35 kHz
2.3.2. fo 50 kHz
2.3.3. Alternate attenuation
2.4.
3.
Terminating impedance ( input and output ):
Marking:
65 dB
80 dB
80 dB ( except spurious )
50
// 0 pF
manufacturer, date code
MQF 21.4-3000/46
4.
Environment conditions:
Corresponding to Vectron standard CF001
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Edited by:
date: __________________________ name: __________________________________
Embedded System
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