MQF21.4-1200-17 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1200/17
Application
• 4 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
fo
fo ± 4.00 kHz
fo ± 20 kHz
Unit
Value
MHz
dB
kHz
dB
dB
21.4
≤ 2.5
± 6.00
≤ 1.0
≥ 40
Terminating impedance Z
R1 || C1
R2 || C2
Coupling capacitance
Ck
Operating temp. range
Ohm/pF 910 || 5
Ohm/pF 910 || 5
pF
13.2
°C
+0... +70
Characterstics MQF21.4-1200/17
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
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