140.0 MHz SAW Filter
Part Number
251160B
1. Features
Typical 1dB bandwidth of 10.5 MHz
Low-Loss Filter
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : -10℃ ~ +50℃
℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 4.5 MHz)
Group Delay Variation (fo ± 4.5 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
Minimum
-
-
10.0
-
-
-
-
-
40
-
Typical
140.0
17.5
10.5
11.25
14.0
0.35
35
1.15
45
-18
Maximum
-
20.0
-
-
14.6
1.0
80
-
-
-
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 4.6 MHz)
Group Delay Variation (fo ± 4.6 MHz)
dB
dB
nsec
Minimum
-
-
-
Typical
17.5
0.35
35
Maximum
19.5
1.0
80
S1365 Package Dimension
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
Matching Schematic
6.50±0.2
11
12
2.54±0.1
ITF 11A001
251160B
. 140-10.5M
1
2
3
4
6
6
1.50±0.1
11
Input
50
Ω
L1
22nH
11
L2
27nH
5
18nH
Output
50
Ω
5
5
12
1.61±0.2
4
3
2
2.54±0.1
1
0.80±0.1
L3
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
11
5
Ground
Others
6, 12
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2012. 01. 16
Rev 1.0
140.0 MHz SAW Filter
Part Number
251160B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
REF -16.3 dB
REF -16.3 dB
22 Nov 2011 15:54:05
1: 0. 0000 dB
0. 000 000 MHz
3: . 12940 dB
9. 200 000 MHz
CH1
S21
LOG
10 dB/
40dB Bandwidth
REF -16.3 dB
22 Nov 2011 15:53:07
1: 0. 0000 dB
0. 000 000 MHz
BW
:
CH2 Markers
REF=1
10 . 495524 MHz
MHz
PRm
BW
:
1
2
CH1 Markers
REF=1
13 . 986193 MHz
MHz
cent : 140 . 005352
cent : 139 . 899547
Q: 13 . 340
1_loss
1
Cor
2
: -16 . 380 dB
Q: 10 . 003
1_loss
: -16 . 388 dB
3
3
4
PRm
2
CH4 Markers
mean : -16 REF=2 dB
. 436
s. dev : . 06570
p-p : . 27000
dB
dB
3
4
Cor
CENTER
140 . 000 000 MHz
SPAN
14 . 000 000 MHz
2
4
CENTER
140 . 000 000 MHz
SPAN
50 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
150 ns/
REF -16.3 dB
REF 1.13 us
22 Nov 2011 15:53:44
1: 0. 0000 dB
0. 000 000 MHz
3: -12 . 114 ns
9. 200 000 MHz
CH1 S11
CH3 S22
1 U FS
1 U FS
Smith Chart(S11 & S22)
1: 105 . 27
2: 50. 428
-15 . 617
-19 . 553
22 Nov 2011 15:54:27
72. 793 pF
140 . 000 000 MHz
58. 141 pF
140 . 000 000 MHz
BW
:
CH2 Markers
REF=1
11 . 257881 MHz
MHz
PRm
cent : 139 . 950536
Q: 12 . 431
1_loss
1
Cor
2
: -16 . 390 dB
3
1
2
PRm
3
Smo
4
CH4 Markers
4
mean : 1. REF=2 us
1544
s. dev : 5. 2649
ns
2
p-p : 31 . 880 ns
Cor
CENTER
140 . 000 000 MHz
SPAN
14 . 000 000 MHz
2
CENTER 140 . 000 000 MHz
SPAN 50. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
REF -16.3 dB
22 Nov 2011 15:55:17
1: 0. 0000 dB
0. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
2 /
2 /
SWR(S11 & S22)
REF 0
REF 0
22 Nov 2011 15:54:41
1: 2. 1683
140 . 000 000 MHz
2: 1. 4727
140 . 000 000 MHz
PRm
1
CH1 Markers
REF=1
2: -31 . 793 dB
140 . 000 MHz
3: -65 . 331 dB
280 . 000 MHz
4: -48 . 360 dB
420 . 000 MHz
PRm
Cor
2
1
4
2
3
START
. 010 000 MHz
STOP 600 . 000 000 MHz
CENTER
140 . 000 000 MHz
SPAN
50 . 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2012. 01. 16
Rev 1.0