48 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0048BA02455S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0048BA02455S Rev A 9-Feb-2010
ECN 36650 Page 1 of 3
DESCRIPTION
• 48 MHz SAW bandpass filter with 8 MHz bandwidth.
• 24 x 9 mm SMP.
• RoHS compliant.
TYPICAL PERFORMANCE
Horizontal: Frequency : 4.2 MHz/div
Vertical from top: Relative Magnitude : 10 dB/div
Relative magnitude : 1 dB/div
Phase Linearity : 5 deg/div
Group Delay Deviation : 100 ns/div
S11 (27 to 69 MHz) S22 (27 to 69 MHz)
48 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0048BA02455S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0048BA02455S Rev A 9-Feb-2010
ECN 36650 Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency, FC 1 47.95 48.00 48.05 MHz
Minimum Insertion Loss - 20.8 26.5 dB
1 dB Bandwidth 2 7.45 8.01 - MHz
3 dB Bandwidth 2 8.00 8.41 -
35 dB Bandwidth 2 - 10.28 10.50 MHz
Rejection (10 to 40.5 MHz) 2
(40.5 to 42.75 MHz) 2
(53.25 to 55.75 MHz) 2
(55.75 to 72 MHz) 2
38
37
36
38
41
38
37
42
-
-
-
-
dB
dB
dB
dB
Passband Amplitude Ripple 3 - 0.5 0.8 dB p-p
Passband Phase Ripple 3 - 2 5 deg p-p
Passband Group Delay Ripple 3 - 30 50 ns p-p
Absolute Delay 1.4 - us
Temperature Coefficient of Frequency - -74 - ppm/˚C
Source/Load Impedance 50 ohms
Ambient Temperature 4 - 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 insertion loss.
3. Measured over Fc +/- 3.7 MHz at room ambient temperature.
4. Fc will shift approximately +110 KHz at 0˚C and –200 KHz at 70˚C
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Operating Temperature Range 0 70 ˚C
Input Power Level 10 dBm
MATCHING CIRCUIT
Note: Matching components are not required.
10 5
1 6
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
GND GND
48 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0048BA02455S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0048BA02455S Rev A 9-Feb-2010
ECN 36650 Page 3 of 3
PACKAGE OUTLINE SUGGESTED FOOTPRINT
Package Material:
Body: Al2O3 ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice.
© 2010 All rights reserved.
Units: mm
Tolerances are ±0.15 mm except for the
overall length and width, which are
nominal values.
Pad Configuration:
Input: 10
Output: 5
Ground: 1,2,3,4,6,7,8,9
