MQF45.5-2500-02 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF45.5-2500/02
Application
• 4 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Spurious response
Group delay distortion
fo
fo ± 8.0 kHz
fo ± 75 kHz
fo ± 900 kHz
fo ± 8 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Caracterstics
Pass band
Operating temp. range
Stop band
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
µs
45.5
≤ 4.0
± 12.5
≤ 1.0
≥ 40
> 80
> 30
< 2.5
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-20... +70
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
03.12.97
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com