MQF21.4-1800-10_01 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1800/10
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 ± 5.00 kHz
fo ± 26 kHz
fo ± 450 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Operating temp. range
Storage temp. range
Unit
Value
MHz
dB
kHz
dB
dB
dB
21.4
≤ 2.0
± 9.00
≤ 1.0
≥ 15 except
spurious
> 30
Ohm/pF 2500 || 2
Ohm/pF 2500 || 2
°C
-20... +70
°C
-55...+85
Characterstics MQF21.4-1800/10
Pass band
Stop band
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
16.05.01
Potsdamer Str. 18 D- 14513 Teltow  ([phone] ; Fax [phone] http:\\www.vectron.com