455 MHz SAW Filter
30 MHz Bandwidth
Part Number: SF0455BA03134S
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0455BA03134S Rev - 19-Feb-2008
ECN 35823 Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Nominal Center Frequency FC - 455 - MHz
Passband 440 - 470 MHz
Maximum Insertion Loss over the Passband - 2.2 2.3 dB
Absolute Delay - 12 - ns
Rejection (10 to 350 MHz) 1 12 12.3 - dB
Rejection (350 to 400 MHz) 1 16 17 - dB
Rejection (510 to 650 MHz) 1 18 18.5 - dB
Rejection (650 to 690 MHz) 1 17.5 18.0 - dB
Rejection (690 to 1000 MHz) 1 18 18.5 - dB
Group Delay Variation over the Passband - 18 25 ns
Input Return Loss over the Passband 7 8 - dB
Output Return Loss over the Passband 7 8 - dB
Source/Load Impedance 50 ohms
Temperature Coefficient of Frequency, Tc 2 - -76 - ppm/˚C
Ambient Temperature (Tref) - 25 - ˚C
Notes: 1. Absolute levels
2. Typical shift of filter frequency response with temperature is ∆f = (T-Tref)*Tc*Fc
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -45 85 ˚C
Operating Temperature Range -30 60 ˚C
Input Power Level - 13 dBm
Horizontal: Frequency : 5 MHz/div
Vertical: Group Delay : 5 ns/div
Horizontal: Frequency : 5 MHz/div
Vertical: Return Loss : 5 dB/div
430 435 440 445 450 455 460 465 470 475 480
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
Frequency in MHz
Group delay in us
430 435 440 445 450 455 460 465 470 475 480
-25
-20
-15
-10
-5
0
Frequency in MHz
Return Loss in dB
Red: S11 Blue: S22