233851B

75 MHz SAW Filter
Part Number 233851B
1. Features

Typical 1dB bandwidth of 37.45 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30℃ ~ +80℃
Minimum
Typical
Maximum
MHz
-
75.0
-
dB
-
20.6
23.0
1dB Bandwidth
MHz
37.0
37.45
-
3dB Bandwidth
MHz
-
39.01
-
40dB Bandwidth
MHz
-
46.0
46.5
dB
-
0.65
1.0
Group Delay Variation (fo ± 17.5 MHz)
nsec
-
20
50
Absolute Delay
usec
-
0.59
0.6
dB
38
42
-
ppm/℃
-
-86
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 17.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
20.6
22.5
Amplitude Ripple (fo ± 17.86 MHz)
dB
-
0.65
1.0
nsec
-
20
50
Group Delay Variation (fo ± 17.86 MHz)
S1365 Package Dimension
13.30±0.2
12
8
7.62±0.1
7
ITF 12A001
233851B
. 75-37.4M
1
2
3
4
7
6
6
5
5
9
8
I nput
50Ω
10
L1
11
5
L2
Out put
50Ω
11
C1
1.50±0.1
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 = 82nH, C1 = 11pF, L2 = 120nH, C2 = 15pF
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. 28
Rev 1.0
75 MHz SAW Filter
Part Number 233851B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
11 Jun 2012 16:07:45
1: 0. 0000 dB
0. 000 000 MHz
3: - . 48320 dB
35 . 720 000 MHz
REF -20.3 dB
REF -20.3 dB
CH1
S21
LOG
10 dB/
CH2 Markers
REF=1
37 . 447643 MHz
BW:
cent :
74 . 805663
MHz
11 Jun 2012 15:53:16
1: 0. 0000 dB
0. 000 000 MHz
REF -20.3 dB
BW:
1
Cor
Q: 1. 9976
cent :
2
CH1 Markers
REF=1
46 . 000805 MHz
76 . 062634
MHz
Q: 1. 6535
1_loss : -20 . 710 dB
1_loss : -20 . 643 dB
1
2
3
4
3
2
CH4 Markers
REF=2
mean : -20 . 654 dB
Cor
s. dev : . 06960
dB
p-p : . 61270
dB
4
3
Cor
CENTER
75 . 000 000 MHz
SPAN
45 . 000 000 MHz
2
4
CENTER
75 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
100 ns/
BW:
cent :
75 . 000 000 MHz
Smith Chart(S11 & S22)
11 Jun 2012 16:07:35
1: 0. 0000 dB
0. 000 000 MHz
3: -8 . 6391 ns
35 . 720 000 MHz
REF -20.3 dB
REF 578 ns
SPAN
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 6. 7979
2: 9. 4106
-15 . 334
3. 2305
11 Jun 2012 15:54:29
138. 39 pF
75. 000 000 MHz
6. 8553 nH
75. 000 000 MHz
CH2 Markers
REF=1
39 . 014387 MHz
74 . 973493
MHz
Cor
Q: 1. 9217
1_loss : -20 . 728 dB
Cor
1
2
2
3
4
2
Cor
CH4 Markers
REF=2
mean : 591 . 52 ns
4
s. dev : 3. 3202 ns
3
Smo
1
p-p : 15 . 971 ns
Cor
CENTER
75 . 000 000 MHz
SPAN
45 . 000 000 MHz
2
CENTER 75. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
11 Jun 2012 15:56:12
1: 0. 0000 dB
0. 000 000 MHz
REF -20.3 dB
CH1 Markers
REF=1
2: -42 . 133 dB
75 . 0000 MHz
1
SPAN 75. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
11 Jun 2012 15:55:07
1: 8. 0381
75 . 000 000 MHz
2: 5. 3254
75 . 000 000 MHz
REF 0
REF 0
Cor
3: -25 . 479 dB
91 . 0000 MHz
4: -36 . 212 dB
150 . 000 MHz
Cor
5: -44 . 337 dB
206 . 000 MHz
3
1
4
2
START
. 010 000 MHz
5
2
STOP 400 . 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
75 . 000 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
75 . 000 000 MHz
2013. 03. 28
Rev 1.0
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