VECTRON MQF21.4-1500-21

Monolithic crystal filter
MQF21.4-1500/21
Application
• 2 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
21.4
≤ 1.5
± 7.50
≤ 0.5
≥ 18
> 25
> 40 except spurious
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF
Ohm/pF
1500 || 2.5
1500 || 2.5
Operating temp. range
°C
-20... +70
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Characterstics
Pass band
fo
fo
fo
fo
fo
±
±
±
±
4.00 kHz
25 kHz
40 kHz
150...500 kHz
MQF21.4-1500/21
Stop band
Pin connections: 1
2
3
4
Input
Input-E
Output
Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
25.10.00
Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com