212353B

49.785 MHz SAW Filter
Part Number 212353B
1. Features

Typical 1dB bandwidth of 21.45 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
Minimum
Typical
Maximum
MHz
-
49.785
-
dB
-
21.6
23.5
1dB Bandwidth
MHz
21.0
21.45
-
3dB Bandwidth
MHz
-
23.05
-
30dB Bandwidth
MHz
-
29.1
29.6
dB
-
0.4
1.0
Group Delay Variation (fo ± 9.535 MHz)
nsec
-
15
60
Absolute Delay
usec
-
0.63
0.65
dB
25
30
-
ppm/℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 9.535 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
12
8
7.62±0.1
7
ITF 13A001
212353B
. 49.785-21.4M
1
2
3
4
7
9
8
I nput
50Ω
10
L1
L2
5
C1
1.50±0.1
5
5
11
Out put
50Ω
11
6
6
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
Matching Schematic
C2
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 220nH, C1 = 1.5pF, C2 = 13pF, L2 = 270nH
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
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
Input
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 02. 13
Rev 1.0
49.785 MHz SAW Filter
Part Number 212353B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
30dB Bandwidth
7 Feb 2013 13:47:41
1: 0. 0000 dB
0. 000 000 MHz
3: - . 27290 dB
19 . 070 000 MHz
REF -21.4 dB
REF -21.4 dB
CH1
S21
LOG
10 dB/
CH2 Markers
REF=1
21 . 416919 MHz
BW:
cent :
49 . 540789
MHz
7 Feb 2013 13:45:53
1: 0. 0000 dB
0. 000 000 MHz
REF -21.4 dB
BW:
1
Cor
Q: 2. 3132
cent :
2
CH1 Markers
REF=1
28 . 942212 MHz
50 . 486202
1
MHz
Q: 1. 7444
1_loss : -21 . 680 dB
1_loss : -21 . 688 dB
2
3
4
3
3
2
4
CH4 Markers
REF=2
mean : -21 . 611 dB
Cor
s. dev : . 08110
dB
p-p : . 39990
dB
Cor
CENTER
49 . 785 000 MHz
SPAN
27 . 000 000 MHz
2
4
CENTER
49 . 785 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
70 . 000 000 MHz
Smith Chart(S11 & S22)
7 Feb 2013 13:46:04
1: 0. 0000 dB
0. 000 000 MHz
3: -7 . 3426 ns
19 . 070 000 MHz
REF -21.4 dB
REF 621 ns
SPAN
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 17. 027
2: 10. 609
-115 . 89
3. 1787
7 Feb 2013 13:46:38
27. 584 pF
49. 785 000 MHz
10. 162 nH
49. 785 000 MHz
CH2 Markers
REF=1
23 . 049396 MHz
BW:
cent :
49 . 724478
MHz
Cor
Q: 2. 1573
1_loss : -21 . 680 dB
1
Cor
2
2
3
4
2
Cor
CH4 Markers
REF=2
mean : 4632 . 07 ns
3
Smo
s. dev : 2. 8595 ns
p-p : 15 . 485 ns
1
Cor
CENTER
49 . 785 000 MHz
SPAN
27 . 000 000 MHz
2
CENTER 49. 785 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
7 Feb 2013 13:47:22
1: 0. 0000 dB
0. 000 000 MHz
REF -21.4 dB
CH1 Markers
REF=1
2: -49 . 989 dB
49 . 7850 MHz
1
SPAN 70. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
7 Feb 2013 13:46:51
1: 19 . 015
49 . 785 000 MHz
2: 4. 7317
49 . 785 000 MHz
REF 0
REF 0
Cor
3: -21 . 718 dB
65 . 5000 MHz
4: -34 . 460 dB
99 . 5700 MHz
Cor
5: -41 . 800 dB
133 . 000 MHz
3
4
5
1
2
2
START
. 010 000 MHz
STOP 300 . 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
CENTER
49 . 785 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
70 . 000 000 MHz
2013. 02. 13
Rev 1.0