SA12724AD1
127.55 MHz IF SAW Filter
24.70 MHz Bandwidth
Revision 0: 10. November. 2010
Electrical Characteristics
Package Dimensions
Testing Environment
Frequency Characteristics
SAWNICS Inc.
460 Cheonheung-ri, Seonggeo-eup, Cheonan-si, Chungcheongnam-do, 330-836 / Korea.
Tel: +82 41 550 9372 / Fax: +82 41 550 9399 / www.sawnics.com
SAWNICS
Data Sheet(Rev 0)
SA12724AD1
127.55 MHz IF SAW Filter
Electrical Characteristics
Maximum Ratings
Parameters Description
Operation Temperature Range
Storage Temperature Range
Maximum DC Voltage
Maximum Input Power
Source Impedance (single ended)
(1)
Load Impedance (single ended)
(1)
Package type & size
Length x Width
Height
Unit
°C
°C
V
dBm
Ω
Ω
Minimum
-
-40
-
-
-
-
Typical
+25
-
-
-
50
50
D1
Maximum
-
+85
10
10
-
-
mm²
mm
-
-
20.0 x 9.8
-
-
1.8
Electrical Specification
Room Temperature : +25
°C
Parameters Description
Center Frequency (Fo)
Insertion Loss at Fo
Group Delay Variation (Fo±11.90MHz)
Absolute Delay at Fo
Passband Ripple Variation(Fo±11.90MHz)
Bandwidth at -1dB
Bandwidth at -20dB
Bandwidth at -35dB
Bandwidth at -40dB
Bandwidth at -50dB
Ultimate Rejection
Temperature Coefficient
Unit
MHz
dB
nsec
usec
dB
MHz
MHz
MHz
MHz
MHz
dB
ppm/°C
Minimum
-
-
-
-
-
24.50
-
-
-
-
50
-
Typical
127.55
23.90
35
2.24
0.65
24.70
25.88
26.20
26.30
26.40
53
-72
Maximum
-
25.50
80
2.50
1.00
-
26.05
26.35
26.45
-
-
-
Notes :
(1) With Matching Network (Ref. Testing Environment Circuit as shown below).
Those impedances could be modified with different impedance values and/or structures, if necessary.
Page１of Page 4
Revision 0
SAWNICS
Data Sheet(Rev 0)
SA12724AD1
127.55 MHz IF SAW Filter
Package Dimensions
① SAWNICS: Brand
② SA12724A: Model Name
③ X : Date Code (Year)
④ Y : Date Code (Month)
⑤ Z : Date Code (Date)
: Index Dot
J
E
Pin Description
A, B, C, D, F, G, H, I
Ground
Input
Output
Testing Environment
Test Fixture & Values
L1 = 68 nH, C1 = 20 pF
Input
L2 = 47 nH, C2=100 pF
Output
Source/Load Impedance
50
Ω
Page２of Page 4
Revision 0
SAWNICS
Data Sheet(Rev 0)
SA12724AD1
127.55 MHz IF SAW Filter
Frequency Characteristics
Frequency Response
Room Temperature : +25
°C
Bandwidth at –1.0 dB
Bandwidth at –20.0 dB
Bandwidth at –35.0 dB
Bandwidth at –40.0 dB
Page３of Page 4
Revision 0
SAWNICS
Data Sheet(Rev 0)
SA12724AD1
127.55 MHz IF SAW Filter
Frequency Characteristics
Frequency Response
Ripple Variation Fo±11.90MHz
Group Delay Variation Fo±11.90MHz
Smith Chart
VSWR
Page４of Page 4
Revision 0
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