MQF21.4-1500-01_04 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1500/01
Application
• 2 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
fo
fo ± 4 kHz
fo ± 25 kHz
fo ± 350...1000 kHz
fo + 50...300 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
21.4
< 1.5
±> 7.5
< 0.5
> 18
> 35
> 14
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Storage temp. range
Environment conditions
Characteristics MQF21.4-1500/01
Pass band
Stop band
Ohm/pF 1600 || 4
Ohm/pF 1600 || 4
°C
-25... +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
07.07.04
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com