Technical Guidance

QSF406A4-38
406 MHz
SMD RF-SAW filter
Application:
COSPAS-SARSAT emergency beacon Class 1 & 2
Parameters Description
Unit
Value
Centre frequency (Fo)
MHz
406
Passband width (404 ~ 408 MHz)
MHz
> ±2
dB
< ±3.5
±2 Typ.
MHz
< 2.0
1.0 Typ.
Fo -100 ~ Fo -40.8 MHz
dB
> 50
55 Typ.
Fo +40.8 ~ Fo +100 MHz
dB
> 50
55 Typ.
Terminating impedance
Ω
50
Maximum DC voltage
V
10
Maximum input power
dBm
10
Temperature coefficient
Ppm/°C
-32
Operating temperature
°C
-40 ~ +85
Storage temperature range
°C
-40 ~ +85
Insertion loss (404 ~ 408 MHz)
Peak to peak ripple (404 ~ 408 MHz)
Stop band rejection
Remarks
+25 Typ.
Typical Performance
Package Dimension
Matching Configuration
A. Source Load Impedance = 50Ω
 L1 = L2 = 0 Ω (short circuit)
B. Source Load Impedance = 150Ω  L1 = L2 = 100 Ω
2011/65/EU RoHS compliant
QuartzCom AG
Bischmattstrasse 11
CH 2544 Bettlach
Switzerland
Fax
Tel
E-Mail
+41 32 644 24 05
+41 32 644 24 00
[email protected]
www.quartzcom.com
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15 Jan. 14