MQF21.4-1500-42 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1500/42
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
Alternate attenuation
fo
fo ± 6.00 kHz
fo ± 25 kHz
fo ± 50...500 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
21.4
≤ 2.5
± 7.50
≤ 1.0
≥ 40
> 60
except spurious >50
Terminating impedance Z
R1 || C1
R2 || C2
Coupling capacitance
Ck
Operating temp. range
Ohm/pF 1800 || 1
Ohm/pF 1800 || 1
pF
5.6
°C
-20... +70
Characterstics MQF21.4-1500/42
Pass band
Stop band
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
26.01.04
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.vectron.com