MQF21.4-0730-05 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-0730/05
Application
• 10 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Centre frequency
Insertion loss
Pass band at 6.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Spurious response
fo
fc
fc ± 2.50 kHz
fc ± 6.47 kHz
fo ± 10 kHz
fo ± <35 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Coupling capacitance
Ck1/Ck2/Ck3/Ck4
Operating temp. range
Storage temperature
Unit
Mhz
MHz
dB
kHz
dB
dB
dB
dB
dB
Value
21.4
21.4 ± 600 Hz
≤ 7.0
± 3.67
≤ 2.0
≥ 60
> 80
> 80
< 90
Ohm/pF 800 || 6.5
Ohm/pF 800 || 6.5
pF
16.5/17.7/17.7/16.5
°C
-40... +85
°C
-40... +125
Characterstics MQF21.4-0730/05
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
12.11.98
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com