251929B

155.0 MHz SAW Filter
Part Number 251929B
1. Features
Typical 1dB bandwidth of 19.4 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
-
155.0
-
dB
-
24.0
25.5
1dB Bandwidth
MHz
19.3
19.48
-
3dB Bandwidth
MHz
-
19.86
-
40dB Bandwidth
MHz
-
21.57
21.9
Amplitude Ripple
dB
-
0.6
1.0
Group Delay Variation
nsec
-
30
80
Absolute Delay
usec
-
1.71
-
dB
50
55
-
ppm/℃
℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Ultimate Rejection
Temperature Coefficient of Frequency
5.5max 6.0max
5
1
L1
Input
50Ω
L2
Output
50Ω
C1
12.7±0.2
2.5±0.2
7.6±0.2
0.45±0.05
ITF 13A001
251929B
155-19.4M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = 33nH, L2 = 22nH, C1 = 39pF
Dimensions shown are nominal in millimeters
Pin Configuration
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
155.0 MHz SAW Filter
Part Number 251929B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
40dB Bandwidth
10 Sep 2012 22:51:47
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
1 : 0 . 0000
3 : - . 12160
REF -23.51 dB
REF -24.13 dB
dB
dB
10 Sep 2012 22:49:28
0 . 000
18 . 600
000
000
MHz
MHz
CH1
S21
LOG
10 dB/
REF -24.03 dB
1 : 0 . 0000
dB
0 . 000
CH2 Markers
REF=1
19 . 480592
MHz
BW :
:
154 . 795170
MHz
MHz
CH1 Markers
REF=1
21 . 570857
MHz
BW :
1
cent
000
Cor
cent
Q: 7 . 9461
:
154 . 747682
MHz
2
Q: 7 . 1739
1_ loss
: -23
. 919
dB
1_ loss
1
: -23
. 973
dB
2
3
4
3
2
CH4
Cor
mean
: -23
Markers
REF=2
. 916
dB
s . dev
: . 10720
dB
p-p
: . 62720
dB
3
4
Cor
2
4
CENTER
155 . 000
000
MHz
SPAN
24 . 000
000
MHz
CENTER
155 . 000
000
MHz
3dB Bandwidth & Group Delay
SPAN
S21
S21
LOG
DEL
1 dB/
300 ns/
1 : 0 . 0000
3 : -34 . 332
REF -23.51 dB
REF 1.685 us
dB
ns
MHz
10 Sep 2012 22:50:29
0 . 000
18 . 600
000
000
:
MHz
MHz
CH1
CH3
S11
S22
1 : 11 . 427
2 : 5 . 9275
1 U FS
1 U FS
12 . 440
-3 . 1926
12 . 774
nH
321 . 62 pF
155 . 000
155 . 000
000
000
MHz
MHz
CH2 Markers
REF=1
19 . 863530
MHz
BW :
cent
000
Smith Chart
10 Sep 2012 22:52:01
CH2
CH4
70 . 000
154 . 790191
MHz
Cor
Q: 7 . 7927
1_ loss
: -23
. 911
dB
1
Cor
1
2
4
2
3
CH4
2
Cor
mean
3
Smo
Markers
REF=2
: 1 . 7170
us
4
s . dev
: 7 . 5990
ns
p-p
: 46 . 539
ns
Cor
2
CENTER
155 . 000
000
MHz
SPAN
24 . 000
000
MHz
CENTER
155 . 000
000
Wideband Properties
MHz
SPAN
S21
LOG
10 dB/
REF -25.71 dB
1 : -25
. 812
dB
000
MHz
SWR(S11 & S22)
10 Sep 2012 22:53:17
CH1
70 . 000
10 Sep 2012 22:50:14
155 . 000
000
MHz
CH1
CH3
S11
S22
SWR
SWR
5 /
5 /
REF 4.666
REF 8.469
1 : 4 . 6663
2 : 8 . 4580
155 . 000
155 . 000
000
000
MHz
MHz
Cor
1
Cor
1
2
START
. 010
000
MHz
STOP
600 . 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
155 . 000
000
MHz
http://www.itf.co.kr
SPAN
[email protected]
70 . 000
000
MHz
2013. 04. 01
Rev 1.0
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