261806B

245.0 MHz SAW Filter
Project name 261806B
1. Features
Typical 1dB bandwidth of 18.5 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
-
245.0
-
dB
-
27.0
28.5
1dB Bandwidth
MHz
18.40
18.55
-
3dB Bandwidth
MHz
-
18.92
-
40dB Bandwidth
MHz
-
20.45
20.60
dB
-
0.65
1.2
Group Delay Variation (Fo±9.0075MHz)
nsec
-
40
100
Absolute Delay
usec
-
2.26
-
dB
47
53
-
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
5.5max 6.0max
7.6±0.2
L1
Input
50Ω
1
5
L2
Output
50Ω
C2
12.7±0.2
2.5±0.2
C1
0.45±0.05
ITF 13A001
261806B
245-18.5M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = L2 = 15nH, 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
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. 04.01
Rev 1.0
245.0 MHz SAW Filter
Project name 261806B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
40B Bandwidth
24 Sep 2012 22:40:22
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
REF -26.68 dB
REF -27.12 dB
1 : 0 . 0000
3 : - . 06230
dB
dB
24 Sep 2012 22:38:09
0 . 000
18 . 015
000
000
CH1
MHz
MHz
S21
LOG
10 dB/
REF -26.91 dB
1 : 0 . 0000
dB
0 . 000
000
MHz
*
CH1 Markers
REF=1
18 . 541409
MHz
BW:
:
244 . 926957
MHz
CH1 Markers
REF=1
20 . 452873
MHz
BW:
1
cent
Cor
C
cent
Q: 13 . 210
:
244 . 907870
MHz
2
Q: 11 . 974
1_ loss
: -26
. 925
dB
1
1_ loss
: -26
. 900
dB
2
Hld
3
4
3
2
1
CH2
Cor
mean
CENTER
245 . 000
000
MHz
SPAN
: -26
Markers
REF=2
. 942
dB
s . dev
: . 09670
dB
p-p
: . 43940
dB
22 . 000
000
3
MHz
CENTER
245 . 000
000
4
MHz
3dB Bandwidth & Group Delay
SPAN
S21
S21
LOG
DEL
1 dB/
50 ns/
REF -26.68 dB
REF 2.236 us
1 : 0 . 0000
3 : -11 . 757
dB
ns
MHz
24 Sep 2012 22:42:11
0 . 000
18 . 015
000
000
cent
CH1
CH2
MHz
MHz
S11
S22
1 : 46 . 924
2 : 45 . 795
1 U FS
1 U FS
23 . 150
21 . 029
15 . 039
13 . 661
nH
nH
245 . 000
245 . 000
000
000
MHz
MHz
CH1 Markers
REF=1
18 . 926593
MHz
BW:
Cor
000
Smith Chart
24 Sep 2012 22:40:43
CH1
CH2
60 . 000
:
244 . 926262
MHz
Cor
Q: 12 . 941
1_ loss
: -26
. 880
dB
1
21
2
3
1
2
Smo
CH2
3
Cor
mean
CENTER
245 . 000
000
MHz
SPAN
Markers
REF=2
: 24 . 2628
us
s . dev
: 6 . 4743
ns
p-p
: 33 . 222
ns
22 . 000
000
Cor
MHz
CENTER
245 . 000
000
Wide band Properties
MHz
SPAN
S21
LOG
10 dB/
REF -28.99 dB
1 : 0 . 0000
dB
000
MHz
SWR(S11 & S22)
24 Sep 2012 22:43:35
CH1
60 . 000
24 Sep 2012 22:42:02
0 . 000
000
MHz
Markers
REF=1
2 : -52 . 152
dB
245 . 000
MHz
CH1
CH2
S11
S22
SWR
SWR
1 /
1 /
REF 1.613
REF 1.56
1 : 1 . 6136
2 : 1 . 5576
245 . 000
245 . 000
000
000
MHz
MHz
CH1
Cor
3 : -55 . 414
dB
490 . 000
MHz
1
1
Cor
2
2
3
START
. 010
000
MHz
STOP
800 . 000
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
000
MHz
Tel: 82-32-621-1213
Fax: 82-32-621-1218
CENTER
245 . 000
000
MHz
http://www.itf.co.kr
SPAN
[email protected]
60 . 000
000
MHz
2013. 04.01
Rev 1.0
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