27 February 2006 Specification for monolithic crystal filter: MQF 2 1

27 February 2006
Specification for monolithic crystal filter:
MQF 21.4-1800/10
1. General
1.1. Package:
1.2.
1.3.
1.4.
1.5.
Type name:
Number of poles:
Operating temperature range:
Storage temperature range:
2.
Electric values
2.1.
Nominal centre frequency fo:
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 )
2.3.
MQF 21.4-1800/10
2
-20°C to +70°C
-55°C to +85°C
21.4 MHz
≥ fo ± 9.0 kHz
≤ 1.0 dB at fo ± 5.0 kHz
≤ 2.0 dB
Stop band
2.3.1. fo ± 26 kHz……..± 450 kHz
2.3.2. fo ± 450 kHz
≥ 15 dB ( except spurious )
≥ 30 dB
2.4.
Terminating impedance R//C ( input and output ):
2500 Ω // 2.0 pF
3.
Marking on the package:
Manufacturer, date code
21.4-1800/10
4.
Environment conditions:
Corresponding to Telefilter CF001
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Edited by:
date: ____________________________ name: ___________________________