21 April 2005
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 45.0-0750/12
1.2.
1.3.
1.4.
1.5.
2.
2.1.
2.2.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
Electric values
Nominal centre frequency fo:
Pass band
MQF 45.0-0750/12
2
-20°C to +70°C
-35°C to +85°C
45.0 MHz
fo
3.75 kHz
1 dB at fo
3 kHz
2.0 dB
2.2.1. Bandwidth between 3 dB - frequencies:
2.2.2. Ripple:
2.2.3. Insertion loss:
( measured on smallest attenuation in pass band )
2.3.
2.3.1.
2.3.2.
2.3.3.
2.3.4.
2.3.5.
2.4.
3.
Stop band
fo
12.5 kHz
fo - 100 kHz
fo + 500 kHz
fo
910 kHz
Spurious responses:
Terminating impedance ( input and output ):
Marking:
15 dB
45 dB
45 dB ( except spurious )
70 dB ( except spurious )
15 dB
350
// 11 pF
manufacturer, date code
45.0-0750/12
Corresponding to Vectron standard CF001
4.
Environment conditions:
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date: _____________________________ name: ________________________________
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