MQF21.4-3000-01 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-3000/01
Application
• 2 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
fo
fo ± 10.0 kHz
fo ± 45 kHz
fo ± 75 kHz
fo + 350...1000 kHz
fo - 300...1000 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4
≤ 1.5
± 15.0
≤ 1.0
≥ 15
> 20
> 35 except spurious
> 45
Ohm/pF 1500 || 1
Ohm/pF 1500 || 1
Operating temp. range
°C
-25... +70
Characterstics MQF21.4-3000/01
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
22.04.98
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com