251933B

125.0 MHz SAW Filter
Part Number 251933B
1. Features
Typical 1dB bandwidth of 18.9 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
124.87
125.0
125.13
dB
-
23.7
25.5
1dB Bandwidth
MHz
18.80
18.94
-
3dB Bandwidth
MHz
-
19.24
-
45dB Bandwidth
MHz
-
20.56
20.65
dB
-
0.55
1.0
Group Delay Variation (Fo±9.22MHz)
nsec
-
45
100
Absolute Delay
usec
-
2.26
2.28
dB
50
55
-
ppm/℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (Fo±9.22MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
-
128-LN
* Input POWER : 10dBm
12.7±0.5
5.5max 6.0max
Matching Schematic
7.6±0.2
2.5±0.2
D2012 Package Dimension
L1
Input
50Ω
5
1
L2
C2
12.7±0.2
2.5±0.2
0.45±0.05
ITF 13A001
251933B
125-18.9M
20.3±0.5
C1
Output
50Ω
L1 = 39nH, L2 = 47nH, C1 = 36pF, 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. 29
Rev 1.0
125.0 MHz SAW Filter
Part Number 251933B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
45dB Bandwidth
26 Oct 2012 14:18:47
1: 0. 0000 dB
0. 000 000 MHz
3: . 16390 dB
18. 440 000 MHz
REF -23.48 dB
REF -24.06 dB
CH1 S21
LOG
10 dB/
26 Oct 2012 14:17:23
1: 0. 0000 dB
0. 000 000 MHz
REF -23.7 dB
CH1 Markers
REF=1
BW: 18. 948880 MHz
cent : 125. 154843 MHz
Cor
CH1 Markers
REF=1
BW: 20. 567537 MHz
1
Cor
cent : 125. 164622 MHz
Q: 6. 6049
2
Q: 6. 0855
1_loss : -23 . 736 dB
1
1_loss : -23 . 770 dB
2
3
4
3
CH2 Markers
REF=2
mean:-23 . 735 dB
2
Cor
3
4
s. dev : . 12510 dB
p-p : . 57370 dB
CENTER 125. 000 000 MHz
SPAN 24. 000 000 MHz
CENTER 125. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
26 Oct 2012 14:19:12
1: 0. 0000 dB
0. 000 000 MHz
3: 9. 1127 ns
18. 440 000 MHz
REF -23.48 dB
REF 2.292 us
SPAN 65. 000 000 MHz
Smith Chart(S11 & S22)
CH1 S11
CH2 S22
1: 8. 8198
2: 9. 5347
1 U FS
1 U FS
26 Oct 2012 14:23:04
-971 . 19 m 1. 3110 nF
125. 000 000 MHz
1. 3833
1. 7613 nH
125. 000 000 MHz
CH1 Markers
REF=1
BW: 19. 243128 MHz
cent : 125. 159432 MHz
Cor
Cor
Q: 6. 5041
1_loss : -23 . 736 dB
1
2
2
1
3
Smo
Cor
CH2 Markers
REF=2
mean:4 2. 2645 us
2
3
Cor
s. dev : 8. 6412 ns
p-p : 44. 505 ns
CENTER 125. 000 000 MHz
SPAN 24. 000 000 MHz
CENTER 125. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
SWR(S11 & S22)
26 Oct 2012 14:25:20
1: 0. 0000 dB
0. 000 000 MHz
REF -24.09 dB
SPAN 65. 000 000 MHz
CH1 Markers
REF=1
2:-75 . 709 dB
125. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
26 Oct 2012 14:22:52
1: 5. 6658
125. 000 000 MHz
2: 5. 2488
125. 000 000 MHz
REF 5.673
REF 5.249
Cor
3:-78 . 463 dB
250. 000 MHz
1
1
Cor
START . 010 000 MHz
2
STOP 500. 000 000 MHz
3
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
2
CENTER 125. 000 000 MHz
http://www.itf.co.kr
SPAN 65. 000 000 MHz
[email protected]
2013. 04. 29
Rev 1.0
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