75.0 MHz SAW Filter
Part Number
232905B
1. Features
Typical 1dB bandwidth of 29.6 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple1 (fo ± 14.5 MHz)
Amplitude Ripple2 (60.5 ~ 66.5MHz)
Group Delay Variation (fo ± 14.5 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Input POWER : +10dBm
Minimum
MHz
dB
MHz
MHz
MHz
dB
dB
nsec
usec
dB
ppm/℃
℃
-
-
29.4
-
-
-
-
-
-
50
-
Typical
75.0
25.3
29.63
29.95
31.59
0.55
0.45
25
1.95
55
-72
Maximum
-
27.5
-
-
31.7
1.0
0.7
50
-
-
-
D2012 Package Dimension
Matching Schematic
2.5±0.2
12.7±0.5
5.5max 6.0max
7.6±0.2
Input
50
Ω
L1
1
5
L2
Output
50
Ω
ITF 13A001
232905B
75-29.6M
C1
0.45±0.05
2.5±0.2
12.7±0.2
C2
20.3±0.5
L1 = 150nH, L2 = 180nH, C1 = 11pF, C2 = 11pF
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
1
5
Ground
Others
2,4
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
2013. 03. 07
Rev 3.0
75.0 MHz SAW Filter
Part Number
232905B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple 1
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -25.05 dB
REF -25.56 dB
7 Feb 2013 10:41:26
1: 0. 0000 dB
0. 000 000 MHz
3: . 11700 dB
29. 000 000 MHz
CH1 S21
*
PRm
BW
:
1
2
Cor
cent :
LOG
10 dB/
40dB Bandwidth
REF -25.3 dB
7 Feb 2013 10:40:10
1: 0. 0000 dB
0. 000 000 MHz
PRm
BW
:
cent :
CH1 Markers
REF=1
29. 634258 MHz
75. 048592 MHz
Q: 2. 5325
CH1 Markers
REF=1
31. 591592 MHz
75. 032407 MHz
Q: 2. 3751
1_loss : -25 . 359 dB
Cor
1
2
1_loss : -25 . 300 dB
3
4
3
PRm
2
CH2 Markers
mean:-25 REF=2dB
. 304
s. dev : . 11570 dB
p-p : . 54760 dB
Cor
3
4
START
57. 500 000 MHz
STOP 92. 500 000 MHz
START
30. 000 000 MHz
STOP 120 . 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
REF -25.05 dB
REF 1.933 us
7 Feb 2013 10:41:43
1: 0. 0000 dB
0. 000 000 MHz
3: 10. 675 ns
29. 000 000 MHz
CH2 S21
CH4 S21
LOG
DEL
1 dB/
20 ns/
Ripple 2
REF -25.03 dB
REF 1.943 us
21 Feb 2013 10:00:24
3:- . 03850 dB
6. 000 000 MHz
3: 8. 3660 ns
6. 336 000 MHz
PRm
BW
:
cent :
CH1 Markers
REF=1
30. 004402 MHz
75. 040887 MHz
Q: 2. 5010
CH2 Markers
REF=2
mean:-25 . 781 dB
s. dev : . 13400 dB
p-p : . 48950 dB
1_loss : -25 . 371 dB
Cor
1
3
2
2
3
PRm
Smo
3
2
CH2 Markers
mean: 1. REF=2us
9544
4
s. dev : 4. 4096 ns
p-p : 22. 234 ns
Cor
Cor
2
Cor
Smo
3
CH4 Markers
REF=2
mean: 1. 9512 us
s. dev : 3. 8648 ns
p-p : 14. 125 ns
CENTER 75. 000 000 MHz
SPAN 35. 000 000 MHz
CENTER 75. 000 000 MHz
SPAN 35. 000 000 MHz
2
4
Wideband Properties
CH1 S21
LOG
10 dB/
REF -25.42 dB
7 Feb 2013 10:43:28
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
20 /
20 /
SWR(S11 & S22)
REF 5.169
REF 5.09
7 Feb 2013 10:42:37
1: 5. 1697
75. 000 000 MHz
2: 5. 0864
75. 000 000 MHz
PRm
1
CH1 Markers
REF=1
2: -70 . 143 dB
75. 0000 MHz
3: -69 . 935 dB
150 . 000 MHz
PRm
Cor
1
PRm
2
Cor
2
START
. 010 000 MHz
3
STOP 250 . 000 000 MHz
CENTER 75. 000 000 MHz
SPAN 90. 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
2013. 03. 07
Rev 3.0
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