18 February 2004
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 21.4-1500/71
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 21.4-1500/71
6
-25°C to +70°C
-55°C to +80°C
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 )
2.3.
Stop band
17.5 kHz
25 kHz......... 300 kHz
fo 7.5 kHz
2.0 dB at fo
2.5 dB
6.0 kHz
2.3.1. fo
2.3.2. fo
2.4.
3.
45 dB
65 dB
1500
// 2.0 pF
Terminating impedance ( input and output ):
Marking:
manufacturer, date code
MQF 21.4-1500/71
Input marked with color dot
21.425 MHz / 21.450 MHz
21.350 MHz / 21.375 MHz
-20 dBm
> 85 dB
4.
Intermodulation
frequency 1:
frequency 2:
input power:
IM:
5.
Environment conditions:
Corresponding to Vectron standard CF001
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