MQF21.4-1200-30 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1200/30
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
IMD (input power -10 dBm)
VSWR
Unit
fo
fo ± 4.80 kHz
fo ± 25 kHz
fo ± 200 kHz
f1=fo±200,f2=fo±400kHz
fo ± 4.80 kHz
MHz
dB
kHz
dB
dB
dB
dB
dB
Value
21.4
≤ 3.0
± 6.00
≤ 1.0
≥ 50
> 80
> 60 except spurious
> 85
< 2:1
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 50 || 0
Ohm/pF 50 || 0
Operating temp. range
°C
-20... +50
Characterstics MQF21.4-1200/30
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
16.03.99
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com