T74251B

742.0 MHz SAW Filter
Part Number T74251B
1. Features
Typical 1dB bandwidth of 28.35 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
Room Temperature : +25℃
℃
Center Frequency (fo)
MHz
-
742.0
-
dB
-
29.0
31.0
1dB Bandwidth
3dB Bandwidth
MHz
MHz
28.0
-
28.35
29.06
-
35dB Bandwidth
MHz
-
32.0
32.3
40dB Bandwidth
MHz
-
32.3
-
Amplitude Ripple (fo ± 14.0 MHz)
Group Delay Variation (fo ± 14.0 MHz)
dB
nsec
-
0.8
35
1.4
80
Absolute Delay
usec
-
1.21
-
Relative Attenuation
728.0 MHz – 2.0 MHz
dB
20
30
-
756.0 MHz + 2.0 MHz
dB
20
40
-
Ultimate Rejection
dB
-
40
-
Insertion Loss
2
ppm/℃
℃
Temperature Coefficient of Frequency
-0.03
S1365 Package Dimension
13.30±0.2
8
7.62±0.1
7
ITF RSOC01
T74251B
。742-28.3M
11
12
1
2
3
7
8
9
10
6.8nH
11
6
6
1.50±0.1
5
5
4
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Network Configuration
Input
50 Ω
5
11
5.6nH
11pF
12pF
Output
50 Ω
12
4
3
2
2.54±0.1
1
0.80±0.1
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. 03. 29
Rev 1.0
742.0 MHz SAW Filter
Part Number T74251B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple(Fo ± 14.0 MHz)
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
35dB & 40dB Bandwidth
13 Jan 2012 11:01:54
1: 0. 0000 dB
0. 000 000 MHz
3: . 13700 dB
28 . 000 000 MHz
REF -28.2 dB
REF -28.2 dB
CH1
CH3
3-3 S1365 MXS
S21
S21
LOG
LOG
10 dB/
10 dB/
13 Jan 2012 11:15:35
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -28.2 dB
REF -28.2 dB
MI742A C3
BW:
CH2 Markers
REF=1MHz
28 . 386166
cent : 742 . 003482
PRm
BW:
MHz
CH1 Markers
REF=1MHz
31 . 954975
cent : 741 . 906027
1
Q: 26 . 140
1_loss
2
: -28 . 378 dB
1
MHz
Q: 23 . 217
1_loss
: -28 . 343 dB
Cor
2
3
4
3
PRm
2
CH4 Markers
mean : -28 REF=2
. 490 dB
s. dev : . 14860
dB
p-p : . 69880
dB
3
4
3
4
BW:
1_loss
CENTER 742 . 000 000 MHz
SPAN
35 . 000 000 MHz
2
4
CENTER 742 . 000 000 MHz
3dB Bandwidth & Group Delay(Fo ± 14.0 MHz)
S21
S21
LOG
DEL
1 dB/
150 ns/
13 Jan 2012 11:01:44
1: 0. 0000 dB
0. 000 000 MHz
3: 14 . 169 ns
28 . 000 000 MHz
REF -28.2 dB
REF 1.19 us
MHz
Q: 23 . 047
Cor
CH2
CH4
CH3 Markers
REF=1MHz
32 . 189460
cent : 741 . 880834
SPAN
: -28 . 343 dB
90 . 000 000 MHz
Relative Attenuation
CH1
CH3
3-3 S1365 MXS
S21
S21
LOG
LOG
10 dB/
10 dB/
13 Jan 2012 11:01:00
2: 0. 0000 dB
0. 000 000 MHz
2: 0. 0000 dB
0. 000 000 MHz
REF -28.2 dB
REF -28.2 dB
MI742A C3
BW:
CH2 Markers
REF=1MHz
29 . 065493
cent : 741 . 988613
CH1 Markers
REF=2
1 : . 56270 dB
14 . 0000 MHz
PRm
MHz
2
2
3: -31 . 687 dB
-2 . 00000 MHz
Q: 25 . 528
1_loss
1
: -28 . 373 dB
1
Cor
2
3
2
3
PRm
CH4 Markers
mean :4 1. REF=2
2104 us
3
CH3 Markers
REF=2
1 : . 45490 dB
-14 . 0000 MHz
3
s. dev : 7. 7146 4ns
Smo
3: -40 . 954 dB
2. 00000 MHz
p-p : 32 . 000 ns
Cor
CENTER 742 . 000 000 MHz
SPAN
35 . 000 000 MHz
2
CENTER 742 . 000 000 MHz
Wideband Properties
CH1
S21
LOG
10 dB/
REF -28.2 dB
SPAN
90 . 000 000 MHz
SWR(S11 & S22)
13 Jan 2012 11:02:54
1: -29 . 819 dB
742 . 000 000 MHz
CH1
CH3
MI742A C3
S11
S22
SWR
SWR
1 /
1 /
13 Jan 2012 11:02:31
1: 1. 6680
742 . 000 000 MHz
2: 1. 5654
742 . 000 000 MHz
REF 0
REF 0
MI742A C3
PRm
PRm
1
Cor
1
2
START
. 010 000 MHz
STOP 2 000 . 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 742 . 000 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
90 . 000 000 MHz
2013. 03. 29
Rev 1.0