MQF21-4-0250-04 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 21.4–0250/04V0
13 January 2012
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 21.4-0250/04V0
8
-20°C to +85°C
-10°C to +70°C
-40°C to +90°C
2. Electric values
2.1. Nominal centre frequency fo:
21.4 MHz
2.2. Pass band
2.2.1. Centre frequency fc
(at +25°C):
2.2.2. Bandwidth between 3 dB - frequencies:
2.2.3. Ripple ( at fc ± 1.0 kHz ):
2.2.4. Insertion loss:
( measured on smallest attenuation in pass band )
2.2.5. Reflection loss ( at fc ± 1.0 kHz ):
21.4 MHz ± 200 Hz
≥ fc ± 1.25 kHz
≤ 1.5 dB
≤ 7.0 dB
≥ 10 dB
2.3. Stop band
2.3.1. fc ± 3.5 kHz
2.3.2. fc ± 25 kHz......... ± 5 MHz
2.3.3. Spurious responses:
≥ 60 dB
≥ 90 dB
≥ 85 dB
2.4. Terminating impedance ( input and output ):
50 Ω // 0 pF
2.5 3-rd order out band Intermodulation ( IP3 > +27 dBm )
frequency 1:
frequency 2:
input power:
21.390 MHz / 21.395 MHz
21.410 MHz / 21.405 MHz
0 dBm
3rd order distortion ( measured at 21.40 MHz ): > 60 dB ( down from either of the two test tones )
3. Marking:
OUT manufacturer IN
date code
MQF 21.4-0250/04V0
21.4 MHz / B: 2.5 kHz
4. Environment conditions:
Corresponding to Vectron standard CF001
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