251911B

SAW Bandpass Filter 251911B
1. Features
z
IF bandpass filter
z
High attenuation
z
Single-ended operation
z
DIP Package
z
Maximum Storage Temperature Range : -40℃ ~ 85℃
z
Electrostatics Sensitive Device (ESD)
5.5max 6.0max
Package : D2012
Pin Configuration
1
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
12.7±0.2
2.5±0.2
7.6±0.2
0.45±0.05
ITF 05A001
251911B
20.3±0.5
12.7±0.5
2.5±0.2
2. Package Dimension
Input
5
Output
2, 4
Ground
3, 6
Case ground
Part No.
251911B
Rev. Date
2005-12-09
Rev.
NM5022-CS03
1/5
SAW Bandpass Filter 251911B
3. Specifications
Fo = 190.0 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
-
190.0
-
dB
-
26.0
28.0
1dB Bandwidth
MHz
-
19.6
-
3dB Bandwidth
MHz
19.8
19.9
-
50dB Bandwidth
MHz
-
21.7
22.0
dB
-
0.7
1.0
Group Delay Variation (Fo +/- 9.375 MHz)
nsec
-
50
100
Absolute Delay
usec
-
2.9
-
Ultimate Rejection
dB
50
52
-
ppm/°C
-
-23
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 9.375 MHz)
Temperature Coefficient of Frequency
Notes :
1)
All specifications are based on the matching schematic shown below
2)
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
3)
All attenuation measurements are measured relative to insertion loss
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
251911B
Rev. Date
2005-12-09
Rev.
NM5022-CS03
2/5
SAW Bandpass Filter 251911B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input
50Ω
L1
L4
L2
Output
50Ω
L3
L1 = 27 nH,
L2 = 27 nH
L3 = 22 NH,
L4 = 27 nH
5. Marking Configuration
ITF1) 05A0012)
251911B3)
1) Manufacturer name
2) Lot Number
3) Part Number
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
251911B
Rev. Date
2005-12-09
Rev.
NM5022-CS03
3/5
SAW Bandpass Filter 251911B
6. Typical Performance ( at +25℃ )
CH1
S21
LOG
10 dB/
9 Dec 2005 14:24:06
1: 0. 0000 dB
0. 000 000 MHz
REF -24.51 dB
CH1 Markers
1
Cor
2
BW:
21. 563647
MHz
cent : 189 . 909005
MHz
REF=1
Q: 8. 8069
1_loss : -24 . 630 dB
3
4
CENTER 190 . 000 000 MHz
CH1
CH2
S21
S21
LOG
DEL
1 dB/
100 ns/
SPAN 55. 000 000 MHz
9 Dec 2005 14:29:20
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 8131 ns
18. 750 000 MHz
REF -24.1 dB
REF 2.875 us
CH1 Markers
BW:
Cor
19. 884287
MHz
cent : 189 . 928549
MHz
REF=1
Q: 9. 5517
1_loss : -24 . 477 dB
1
2
3
Smo
Cor
2
3
4
CH2 Markers
mean : 2. 8845 us
REF=2
s. dev : 7. 8496 ns
p-p : 47. 530 ns
CENTER 190 . 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN 23. 500 000 MHz
Part No.
251911B
Rev. Date
2005-12-09
Rev.
NM5022-CS03
4/5
SAW Bandpass Filter 251911B
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
9 Dec 2005 14:29:07
1: 0. 0000 dB
0. 000 000 MHz
3: - . 05990 dB
18. 750 000 MHz
REF -24.1 dB
REF -23.66 dB
CH1 Markers
BW:
Cor
19. 539362
MHz
cent : 189 . 927976
MHz
CH1
S21
LOG
10 dB/
9 Dec 2005 14:31:33
1: 0. 0000 dB
0. 000 000 MHz
REF -24.91 dB
CH1 Markers
REF=1
2: -60 . 496 dB
190 . 000 MHz
Q: 9. 7203
REF=1
3: -60 . 741 dB
380 . 000 MHz
1
1_loss : -24 . 489 dB
1
2
3
4
3
2
Cor
CH2 Markers
REF=2
mean : -24 . 476 dB
s. dev : . 12760 dB
p-p : . 67660 dB
2
CENTER 190 . 000 000 MHz
CH1
CH2
S11
S22
LOG
LOG
5 dB/
5 dB/
SPAN
9 Dec 2005 14:30:04
1: -9 . 2454 dB
190 . 000 000 MHz
2: -8 . 9566 dB
190 . 000 000 MHz
REF -9.264 dB
REF -8.958 dB
START
23. 500 000 MHz
Cor
CH1
CH2
S11
S22
. 010 000 MHz
1 U FS
1 U FS
3
STOP 600 . 000 000 MHz
1: 62. 445
2: 46. 799
9 Dec 2005 14:30:22
21. 372 pF
190 . 000 000 MHz
22. 695 pF
190 . 000 000 MHz
-39 . 193
-36 . 910
Cor
1
1
Cor
2
2
CENTER 190 . 000 000 MHz
Cor
SPAN
55. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
CENTER 190 . 000 000 MHz
SPAN 55. 000 000 MHz
Part No.
251911B
Rev. Date
2005-12-09
Rev.
NM5022-CS03
5/5
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