QF21.4-0050-06 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Crystal filter

Crystal filter
QF21.4-0050/06
Application
• 6 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
Return loss
IP3 at 0 dBm power level
Terminating impedance Z
R1 || C1
R2 || C2
fo
fc
fc at 25°C
fo ± 0.15 kHz
fo ± 1 kHz
fo ± 2...5000 kHz
fo ± 0.15
fo±1 kHz; fo± 2 kHz
Operating temp. range
Unit
MHz
MHz
MHz
dB
kHz
dB
dB
dB
dB
dB
dBm
Value
21.4
21.4 ± 250 Hz
21.4 ± 150 Hz
≤ 15.0
± ≥0.25
≤ 2.0
≥ 60
> 90 except spurious
> 85
> 10
> 25
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-10... +70
Characteristics QF21.4-0050/06
Pass band
Stop band
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
12.07.02
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.vectron.com