MQF21.4-0750_06 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-0750/02
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
Alternate attenuation
fo
fo ± 3 kHz
fo ± 14 kHz
fo ± 350 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
21.4
< 2.5
±> 3.75
< 1.0
> 40 except spurious
> 60 except spurious
Terminating impedance Z
R1||C1
R2||C2
Coupling capacitance
Ck
Operating temp. range
Storage temp. range
Environment conditions
Characteristics MQF21.4-0750/02
Pass band
Stop band
Ohm/pF 1500 || 2
Ohm/pF 1500 || 2
pF
10.0
°C
-20... +70
°C
-45... +85
according to CF001
Pin connections:
1 Input
2 Ground
3 Output
4 Ground
RoHS compliant
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
17.01.06
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com