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72.8 MHz SAW Filter
1 MHz Bandwidth
Part Number SF0073BA02447S
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0073BA02447S Rev - 21-Aug-2006
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SPECIFICATION
Parameter Min Typ Max Units
Center Frequency FC 1 72.68 72.80 72.92 MHz
Minimum Insertion Loss - 6.5 10 dB
1 dB Bandwidth 2 - 0.71 - MHz
3 dB bandwidth 2 1.00 1.24 - MHz
Lower 35 dB Band Edge 2 70.80 70.99 - MHz
Upper 35 dB Band Edge 2 - 74.56 74.80 MHz
Group Delay Variation - 80 150 ns p-p
Absolute Delay - 0.75 - us
Rejection (30 to Fc-3 MHz) 40 42 - dB
Rejection (Fc+3 to 140 MHz) 35 38 - dB
Temperature Coefficient - -23 - ppm/˚C
Substrate Material 112 LiTaO3
Ambient Temperature - 25 - ˚C
Notes: 1. Defined as the average of the lower and upper 3 dB frequencies.
2. All dB levels are defined relative to the in sertion loss.
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Operating Temperature Range -40 70 ˚C
Input Power Level - 10 dBm
MATCHING CIRCUIT
Typical component values:
(Minimum inductor Q = 45)
Notes:
1. Recommend the use of +/-2% tolerance components.
2. Component values shown are for guidance only and may change depending on board layout.
Ls1 = 390 nH Ls2 = 470 nH
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
10 4
12 6