250121B

142.7 MHz SAW Filter
Part Number 250121B
1. Features
Typical 1dB bandwidth of 1.4 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
142.6
142.7
142.8
dB
-
22.0
24.0
1dB Bandwidth
MHz
-
1.39
-
3dB Bandwidth
MHz
1.45
1.58
-
30B Bandwidth
MHz
-
2.28
-
50dB Bandwidth
MHz
-
2.53
2.7
dB
-
0.6
1.5
Group Delay Variation (fo ± 0.625 MHz)
nsec
-
150
300
Absolute Delay
usec
-
3.8
4.0
Relative Attenuation (fo ± 10MHz)
dBc
50
55
Ultimate Rejection
dB
50
55
ppm/℃2
-
-0.03
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 0.625 MHz)
Temperature Coefficient of Frequency
-
Input POWER : +10dBm
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Network Configuration
2.5±0.2
D3512 Package Dimension
5
1
L1
Input
50Ω
L2
25.4±0.2
2.5±0.2
0.45±0.05
ITF RDPB07
250121B
142.7-1.4M
35.1±0.5
C1
Output
50Ω
C2
L1 = 39nH, L2 = 47nH
C1 = 43pF, C2 = 39pF
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]
2014. 02. 07
Rev 1.0
142.7 MHz SAW Filter
Part Number 250121B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
30dB Bandwidth & 50dB Bandwidth
6 Feb 2014 10:51:12
1: 0. 0000 dB
0. 000 000 MHz
3: . 33270 dB
1. 250 000 MHz
REF -21.66 dB
REF -21.94 dB
LOG
LOG
10 dB/
10 dB/
6 Feb 2014 10:48:34
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -21.73 dB
REF -21.73 dB
CH1 Markers
REF=1
1. 389294 MHz
BW:
cent : 142. 719349 MHz
Cor
CH1 S21
CH2 S21
BW:
1
Cor
CH1 Markers
REF=1
2. 279348 MHz
cent : 142. 727842 MHz
Q: 102. 73
Q: 62. 618
2
1_loss : -21 . 750 dB
1
1_loss : -21 . 739 dB
2
3
4
3
3
Cor
CH2 Markers
REF=2
mean:-21 . 789 dB
2
4
Cor
BW:
s. dev : . 08820 dB
CH2 Markers
REF=1
2. 529668 MHz
cent : 142. 753621 MHz
3
p-p : . 59080 dB
4
Q: 56. 432
1_loss : -21 . 739 dB
CENTER 142. 700 000 MHz
SPAN
2. 000 000 MHz
CENTER 142. 700 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
200 ns/
6 Feb 2014 10:51:37
1: 0. 0000 dB
0. 000 000 MHz
3: 32. 043 ns
1. 250 000 MHz
REF -21.66 dB
REF 3.712 us
BW:
Relative Attenuation
CH1 S21
LOG
10 dB/
6 Feb 2014 10:50:27
1: 0. 0000 dB
0. 000 000 MHz
REF -21.519 dB
CH1 Markers
REF=1
1. 584588 MHz
CH1 Markers
REF=1
2:-64 . 386 dB
-10 . 0000 MHz
1
cent : 142. 724000 MHz
Cor
SPAN 10. 000 000 MHz
Q: 90. 070
3:-68 . 695 dB
10. 0000 MHz
1_loss : -21 . 754 dB
1
2
3
2
Smo
Cor
CH2 Markers
4 REF=2
mean: 3. 8040 us
3
s. dev : 30. 434 ns
p-p : 134. 28 ns
3
2
CENTER 142. 700 000 MHz
SPAN
2. 000 000 MHz
CENTER 142. 700 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
SWR(S11 & S22)
6 Feb 2014 10:54:05
1: 0. 0000 dB
0. 000 000 MHz
REF -24.57 dB
CH1 Markers
REF=1
2:-34 . 696 dB
88. 7000 MHz
1
SPAN 25. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
2 /
2 /
6 Feb 2014 10:52:53
1: 5. 3994
142. 700 000 MHz
2: 3. 6172
142. 700 000 MHz
REF 5.419
REF 3.618
Cor
3:-44 . 200 dB
118. 000 MHz
1
2
Cor
3
START . 010 000 MHz
STOP 500. 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
2
CENTER 142. 700 000 MHz
http://www.itf.co.kr
SPAN 10. 000 000 MHz
[email protected]
2014. 02. 07
Rev 1.0