230.0 MHz SAW Filter
Part Number
261807B
1. Features
Typical 1dB bandwidth of
18.4 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
45dB Bandwidth
Amplitude Ripple
Group Delay Variation
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
* Input POWER : 10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Minimum
229.84
-
18.35
-
-
-
-
-
47
-
Typical
230.0
26.8
18.49
18.86
20.56
0.6
40
2.25
53
-18
112-LT
Maximum
230.16
28.5
-
-
20.65
1.2
100
-
-
-
D2012 Package Dimension
Matching Schematic
1
2.5±0.2
5
L2
Output
50
Ω
12.7±0.5
5.5max 6.0max
7.6±0.2
Input
50
Ω
L1
ITF 13A001
261807B
230-18.4M
C1
0.45±0.05
2.5±0.2
12.7±0.2
C2
20.3±0.5
L1 = L2 = 18nH, C1 = C2 = 30pF
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. 04. 30
Rev 1.0
230.0 MHz SAW Filter
Part Number
261807B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -26.39 dB
REF -26.84 dB
24 Oct 2012 14:05:36
1: 0. 0000 dB
0. 000 000 MHz
3:- . 33890 dB
18. 015 000 MHz
CH1 S21
LOG
10 dB/
45dB Bandwidth
REF -26.7 dB
24 Oct 2012 14:04:04
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 18. 491368 MHz
:
Cor
cent : 229. 889597 MHz
Q: 12. 432
1_loss : -26 . 653 dB
1
2
1
C
2
CH1 Markers
REF=1
BW 20. 566841 MHz
:
cent : 229. 872626 MHz
Q: 11. 177
1_loss : -26 . 736 dB
3
4
3
2
Cor
CH2 Markers
REF=2
mean:-26 . 628 dB
s. dev : . 10050 dB
p-p : . 60310 dB
3
4
CENTER 230. 000 000 MHz
SPAN 22. 000 000 MHz
CENTER 230. 000 000 MHz
SPAN 65. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
REF -26.39 dB
REF 2.285 us
24 Oct 2012 14:06:21
1: 0. 0000 dB
0. 000 000 MHz
3:-11 . 763 ns
18. 015 000 MHz
CH1 S11
CH2 S22
1 U FS
1 U FS
Smith Chart(S11 & S22)
1: 61. 199
2: 26. 156
18. 896
23. 746
24 Oct 2012 14:07:59
13. 076 nH
230. 000 000 MHz
16. 432 nH
230. 000 000 MHz
CH1 Markers
REF=1
BW 18. 864767 MHz
:
Cor
cent : 229. 880758 MHz
Q: 12. 186
1_loss : -26 . 653 dB
1
2
2
Cor
1
3
Smo
Cor
3
2
CH2 Markers
REF=2
mean: 4 2537 us
2.
s. dev : 6. 1202 ns
p-p : 35. 997 ns
Cor
START 219. 000 000 MHz
STOP 241. 000 000 MHz
CENTER 230. 000 000 MHz
SPAN 65. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -27.65 dB
24 Oct 2012 14:09:00
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
1 /
1 /
SWR(S11 & S22)
REF 1.473
REF 2.487
24 Oct 2012 14:07:49
1: 1. 4738
230. 000 000 MHz
2: 2. 4443
230. 000 000 MHz
CH1 Markers
REF=1
2:-66 . 478 dB
230. 000 MHz
3:-67 . 137 dB
460. 000 MHz
Cor
1
1
Cor
2
START . 010 000 MHz
2
3
STOP 750. 000 000 MHz
CENTER 230. 000 000 MHz
SPAN 65. 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. 04. 30
Rev 1.0
