261905B

325.0 MHz SAW Filter
Part Number 261905B
1. Features
Typical 1dB bandwidth of 18.7 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
324.84
325.0
325.16
dB
-
28.5
30.0
1dB Bandwidth
MHz
18.55
18.70
-
3dB Bandwidth
MHz
-
19.10
-
45dB Bandwidth
MHz
-
20.78
20.90
dB
-
0.65
1.2
Group Delay Variation (Fo±9.0075MHz)
nsec
-
55
100
Absolute Delay
usec
-
2.26
2.30
dB
47
52
-
ppm/℃
-
-18
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (Fo±9.0075MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
-
112-LT
* Input POWER : 10dBm
D2012 Package Dimension
Matching Schematic
5
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
1
C2
C1
Input
50Ω
L2
12.7±0.2
2.5±0.2
0.45±0.05
ITF 13A001
261905B
325-18.7M
20.3±0.5
L1
Output
50Ω
L1 = L2 = 10nH, C1 = C2 = 20pF
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
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
1
Ground
2,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 04. 30
Rev 1.0
325.0 MHz SAW Filter
Part Number 261905B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
45dB Bandwidth
7 Mar 2013 14:50:05
1: 0. 0000 dB
0. 000 000 MHz
3:- . 20400 dB
18. 015 000 MHz
REF -27.64 dB
REF -28.26 dB
CH1 S21
CH1 Markers
REF=1
BW: 18. 657947
MHz
PRm
LOG
10 dB/
7 Mar 2013 14:48:50
1: 0. 0000 dB
0. 000 000 MHz
REF -28 dB
CH1 Markers
REF=1
BW: 20. 844244
MHz
PRm
1
cent : 324 . 875328 MHz
cent : 324 . 809926 MHz
Q: 17. 412
Q: 15. 583
2
1_loss : -27 . 973 dB
1
Cor
1_loss : -28 . 153 dB
Cor
2
3
4
3
PRm
2
CH2 Markers
mean:-27REF=2
. 990 dB
3
s. dev : . 15070 dB
4
p-p : . 59970 dB
Cor
CENTER 325 . 000 000 MHz
SPAN 22. 000 000 MHz
CENTER 325 . 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
Smith Chart(S11 & S22)
7 Mar 2013 14:50:37
1: 0. 0000 dB
0. 000 000 MHz
3:-36 . 322 ns
18. 015 000 MHz
REF -27.64 dB
REF 2.236 us
CH1 S11
CH2 S22
CH1 Markers
REF=1
BW: 19. 073599
MHz
PRm
SPAN 60. 000 000 MHz
1: 63. 404
2: 64. 512
1 U FS
1 U FS
7 Mar 2013 14:52:13
212 . 48 pF
325 . 000 000 MHz
255 . 33 pF
325 . 000 000 MHz
-2 . 3047
-1 . 9180
PRm
cent : 324 . 865795 MHz
Q: 17. 032
1_loss : -27 . 958 dB
1
Cor
Cor
2
12
PRm
3
2
Smo
PRm
CH2 Markers
mean: 2. REF=2
2650 us
4
s. dev : 7. 2547 ns
3
p-p : 47. 025 ns
Cor
Cor
CENTER 325 . 000 000 MHz
SPAN 22. 000 000 MHz
CENTER 325 . 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -29.68 dB
SPAN 60. 000 000 MHz
SWR(S11 & S22)
7 Mar 2013 14:52:58
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
CH1 Markers
REF=1
2: -54 .
325 . 000
PRm
SWR
SWR
1 /
1 /
7 Mar 2013 14:52:07
1: 1. 2701
325 . 000 000 MHz
2: 1. 2929
325 . 000 000 MHz
REF 1.271
REF 1.292
PRm
3: -20 .
650 . 000
1
Cor
1
3
PRm
2
Cor
2
START
. 010 000 MHz
STOP 1 000 . 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 325 . 000 000 MHz
http://www.itf.co.kr
SPAN 60. 000 000 MHz
[email protected]
2013. 04. 30
Rev 1.0
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