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70 MHz SAW Filter
34 MHz Bandwidth
Part Number: SF0070BA02371S
DESCRIPTION
•
•
•
70 MHz SAW bandpass filter with 34 MHz bandwidth.
13.3 x 6.5 mm LCC package.
RoHS compliant.
TYPICAL PERFORMANCE
Horizontal:
Vertical from Top:
S11 (20 to 120 MHz)
Frequency :
Relative Magnitude :
Relative magnitude :
Phase Linearity :
Group Delay Deviation :
10
10
1
7
50
MHz/div
dB/div
dB/div
deg/div
ns/div
S22 (20 to 120 MHz)
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA02371S Rev A
ECN 36650
9-Feb-2010
Page 1 of 3
70 MHz SAW Filter
34 MHz Bandwidth
Part Number: SF0070BA02371S
SPECIFICATION
Parameter
Center Frequency (Fc) 1
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
35 dB Bandwidth
Passband Ripple 2
Phase Ripple 2
Group Delay Variation 2
Absolute Delay
Rejection (20 MHz to 40 MHz)
Rejection (100 MHz to 120 MHz)
Source and Load Impedance
Ambient Temperature (Tref)
Notes:
Min
69.80
31.00
34.00
45
40
-
Typ
70.00
18.5
32.70
34.40
40.4
0.7
3.8
15
1.08
54
44
50
25
Max
70.20
20
54.00
1.0
7
50
1.10
-
Units
MHz
dB
MHz
MHz
MHz
dB p-p
deg p-p
ns p-p
us
dB
dB
ohms
°C
1. Average of the lower and upper 3 dB band edge frequencies.
2. These are measured in the central 80% of the 3 dB bandwidth.
3. Typical change of filter frequency response with temperature is ∆f = (T-Tref)*Tc*Fc, in ppm.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Operating Temperature Range (T)
Temperature Coefficient of Frequency (Tc) 3
Input Power Level
Min
Typ
Max
Units
-40
20
-
25
25
-94
10
85
30
13
˚C
˚C
ppm/˚C
dBm
MATCHING CIRCUIT
11
Input
50 Ω
Single-ended
5
Output
50 Ω
Single-ended
All other pads
GND
GND
Typical component values:
Ls1
=
270
nH
Ls2
=
120
nH
Notes:
1. Recommend use of 2% tolerance matching components. Inductor Q=45.
2. Component values are for reference only and may change depending on board layout.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA02371S Rev A
ECN 36650
9-Feb-2010
Page 2 of 3
70 MHz SAW Filter
34 MHz Bandwidth
Part Number: SF0070BA02371S
PACKAGE OUTLINE
SUGGESTED FOOTPRINT
Units: mm
Tolerances are ±0.15 mm except
where indicated and for the
overall length and width, which
are nominal values.
Pad Configuration:
Package Material:
Body: Al2O3 ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
Input:
Output:
Ground:
11
5
All other pads
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.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA02371S Rev A
ECN 36650
9-Feb-2010
Page 3 of 3