MQF21.4-3000-02_05 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-3000/02
Application
• 4 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Insertion loss
Pass band at 3.0dB
Ripple in pass band
Stop band attenuation
Spurious responses
fo
fo ± 10 kHz
fo ± 50 kHz
fo ± 100 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
21.4
< 2.0
±> 15
< 1.5
> 40
> 60
> 14
Terminating impedance Z
R1||C1
R2||C2
Coupling capacitance
Ck
Operating temp. range
Storage temp. range
Environment conditions
Characteristics MQF21.4-3000/02
Pass band
Stop band
Ohm/pF 2200 || 0.50
Ohm/pF 2200 || 0.50
pF
3.5
°C
-25... +70
°C
-55... +80
according to CF001
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
25.01.05
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com