72.5 MHz SAW Filter
20 MHz Bandwidth
Part Number SF0073BA01983S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0073BA01983S Rev A 18-Feb-2010
ECN 36650 Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 - 72.50 - MHz
Insertion Loss at 72.5 MHz - 16 17 dB
Lower 1 dB Frequency 2 - 61.20 62.50 MHz
Upper 1 dB Frequency 2 82.50 83.50 - MHz
Lower 3 dB frequency 2 - 60.70 61.65 MHz
Upper 3 dB frequency 2 83.35 84.10 - MHz
Passband Ripple 3 - 0.4 1.0 dB p-p
Phase Deviation from Linear - 4 10 deg p-p
Group Delay Variation 4 - 30 150 ns p-p
Absolute Delay - 1.09 - µs
Rejection (10 to 58 MHz) 2 40 42 - dB
Rejection (87.5 to 90 MHz) 2 35 41 - dB
Rejection (90 to 125 MHz) 2 40 47 - dB
Input Return Loss at 72.5 MHz 2 3.5 - dB
Output Return Loss at 72.5 MHz 2 3.4 - dB
Source and Load Impedance - 50 - Ω
Ambient Temperature (Tref) - 25 - ˚C
Notes: 1. Average of lower and upper 3 dB band edge frequencies.
2. Evaluated over 62.5 to 82.5 MHz.
3. Specification is met over operating temperature range.
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Operating Temperature Range -10 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 = 100 nH Ls2 = 82 nH
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
14 8
1 7