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MQF21-4-1800-08 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Nominal centre frequency fo: 21.4 MHz
Specification for monolithic crystal filter:
1. General
1.1. Package:
MQF 21.4-1800/08
29 September 1997
1.2. Type name:
1.3. Number of poles:
1.4. Operable temperature range:
1.5. Operating temperature range:
1.6. Storage temperature range:
MQF 21.4-1800/08
6
-30°C to +80°C
-20°C to +70°C
-45°C to +85°C
2. Electric values
2.1. Nominal centre frequency fo:
21.4 MHz
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 )
≥ fo ± 9.0 kHz
≤ 3.0 dB at fo ± 9.0 kHz
≤ 4.0 dB
2.2.4. Group delay ( absolute ):
2.2.5. Group delay distortion:
≤ 60 µs at fo ± 9.0 kHz
≤ 5 µs at fo ± 9.0 kHz
2.3. Stop band
2.3.1. fo ± 40 kHz
2.3.2. fo ± 50 kHz
2.3.3. alternate attenuation:
2.3.4. Spurious responses:
≥ 60 dB
≥ 70 dB
≥ 70 dB
≥ 40 dB
2.4. Terminating impedance ( input / output ):
50 Ω // 0 pF
3. Marking:
manufacturer, date code
MQF 21.4-1800/08
4. Environment conditions:
Corresponding to Vectron standard CF001
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Edited by: date: ____________________________ name: _______________________________