915 MHz SAW Filter
26 MHz Bandwidth
Part Number SF0915BA02531S
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA
Phone 508-251-6400
Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0915BA02531S Rev X7 3-Jan-11
Page 1 of 3
DESCRIPTION
• 915 MHz SAW used as RF filter in spread spectrum unlicensed band wireless applications.
• 2.5 x 2 mm ceramic LCC package, 4 pads.
• RoHS compliant.
TYPICAL PERFORMANCE
S11 (765-1065 MHz) S22 (765-1065 MHz)
Amp
10 dB/div
Amp
1.5 dB/div
Phase
20 deg/div
Delay
25 ns/div
Center = 915 MHz, 30 MHz/div (187.5 kHz incr)
915 MHz SAW Filter
26 MHz Bandwidth
Part Number SF0915BA02531S
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA
Phone 508-251-6400
Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0915BA02531S Rev X7 3-Jan-11
Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency F
C
- 915.0 - MHz
Bandwidth (3dB) 26 42 - MHz
Insertion Loss
1
- 2.4 3 dB
Passband Amplitude Ripple
1
- 0.5 1.5 dB
Input/Output VSWR
1
- 1.6 2.2 :1
Stopband Rejection (DC to 800 MHz)
2
45 63 - dB
Stopband Rejection (800 to 870 MHz)
2
45 53 - dB
Stopband Rejection (960 to 1080 MHz)
2
30 40 - dB
Stopband Rejection (1080 to 2000 MHz)
2
35 53 - dB
Stopband Rejection (2000 to 3000 MHz)
2
22 28 - dB
Source/Load Impedance 50/50
Ω
Notes: 1. This parameter is measured within passband 902 to 928 MHz.
2. Relative to 0 dB absolute.
MAXIMUM RATINGS
Parameter Min Max Units
Operating Temperature Range -30 85 ºC
Storage Temperature Range -40 85 ºC
Input Power Level - +15 dBm
Max. D. C. Voltage between Each Terminal - 3 V
TEST CIRCUIT
Notes:
• 50 ohms, single ended.
• Matching components are not required
Input
50 Ω
Single-ended
Output
50 Ω
Single ended
2 4
All other pads