MQF21.4-1800-08_05 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1800/08
Application
• 6 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
Spurious responses
Group delay (absolute)
Group delay distortion
fo
fo ± 9 kHz
fo ± 40 kHz
fo ± 50 kHz
fo ± 9 kHz
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Storage temp. range
Environment conditions
Characteristics MQF21.4-1800/08
Pass band
Stop band
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
µs
µs
21.4
< 4.0
±> 9
Gaussian
> 60
> 70
> 70
> 40
< 60
<5
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-20... +70
°C
-45... +85
according to CF001
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
22.09.05
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com