MQF45.0-0750-27 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF 45.0-0750/27
( preliminary specification )
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
fo
fo ± 2.50 kHz
fo ± 20 kHz
Unit
MHz
dB
kHz
dB
dB
dB
Spurious responses
fo + 20 kHz.....+1 MHz dB
Value
45.0
≤ 4.5
< ± 3.75
≤ 1.0
≥ 40
> 70 except spurious
> 30
Terminating impedance Z
R1 || C1
R2 || C2
Operating temp. range
Storage temp. range
Filters are Pb-free and 2002 / 95 / EC RoHS compliant
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-25... +85
°C
-55... +85
Characterstics MQF 45.0-0750/27
Pass band
Stop band
Pin connections:
1
3
All other pins
Input
Output
Ground
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
31.01.07
Potsdamer Str. 18 D- 14513 Teltow ([phone] ; Fax [phone] http:\\www.vectron.com