MQF21.4-0730_04 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-0730/05
Application
• 10 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Centre frequency
Insertion loss
Pass band at 6.0dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Spurious response
fo
fc
fc ± 2.5 kHz
fc ± 6.47 kHz
fo ± 10 kHz
fo ± >35 kHz
Unit
MHz
MHz
dB
kHz
dB
dB
dB
dB
dB
Value
21.4
21.4 ± 600 Hz
< 7.0
±> 3.67
< 2.0
> 60
> 80
> 80
< 90
Terminating impedance Z
R1||C1
R2||C2
Coupling capacitance
Operating temp. range
Storage temp. range
Environment conditions
Characteristics MQF21.4-0730/05
Pass band
Stop band
Ohm/pF 800 || 6.5
Ohm/pF 800 || 6.5
pF
16.5/17.7/17.7/16.5
°C
-40... +85
°C
-40... +125
according to CF001
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
25.11.04
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com