251905B

SAW Bandpass Filter 251905B
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 04A001
251905B
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.
251905B
Rev. Date
2004-09-23
Rev.
NM4017- CS03
1/5
SAW Bandpass Filter 251905B
3. Specifications
Fo = 190.0 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
189.9
190.0
190.1
dB
-
26.0
28.0
1dB Bandwidth
MHz
-
19.0
-
3dB Bandwidth
MHz
19.0
19.4
-
50dB Bandwidth
MHz
-
21.3
21.6
dB
-
0.7
1.2
Group Delay Variation (Fo +/- 9.375 MHz)
nsec
-
50
100
Absolute Delay
usec
-
2.85
-
Ultimate Rejection
dB
48
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.
251905B
Rev. Date
2004-09-23
Rev.
NM4017- CS03
2/5
SAW Bandpass Filter 251905B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
L1
Input
50Ω
L2
C1
Output
50Ω
C2
L1 = 33 nH,
L2 = 27 nH
C1 = 36 pF,
C2 = 43 pF
5. Marking Configuration
ITF1) 04A0012)
251905B3)
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.
251905B
Rev. Date
2004-09-23
Rev.
NM4017- CS03
3/5
SAW Bandpass Filter 251905B
6. Typical Performance ( at +25℃ )
CH1
S21
LOG
10 dB/
9 Jul 2004 09:05:05
1: 0. 0000 dB
0. 000 000 MHz
REF -26.4 dB
CH1 Markers
1
Cor
2
BW:
REF=1
21. 229441
MHz
: 190 . 020303
MHz
cent
Q: 8. 9508
1_loss : -26 . 405 dB
3
4
CENTER 190 . 000 000 MHz
CH1
CH2
S21
S21
LOG
DEL
1 dB/
100 ns/
SPAN
53. 000 000 MHz
29 Jun 2004 16:58:49
1: 0. 0000 dB
0. 000 000 MHz
3: 13. 182 ns
18. 750 000 MHz
REF -25.95 dB
REF 2.84 us
CH1 Markers
BW:
Cor
19. 441126
MHz
cent : 189 . 972538
MHz
REF=1
Q: 9. 7717
1_loss : -26 . 461 dB
1
2
3
Smo
2
Cor
3
4
CH2 Markers
mean : 2. 8591 us
REF=2
s. dev : 9. 9720 ns
p-p : 48. 562 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. 000 000 MHz
Part No.
251905B
Rev. Date
2004-09-23
Rev.
NM4017- CS03
4/5
SAW Bandpass Filter 251905B
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
29 Jun 2004 16:58:25
1: 0. 0000 dB
0. 000 000 MHz
3: - . 27300 dB
18. 750 000 MHz
REF -25.95 dB
REF -26.59 dB
CH1 Markers
BW:
Cor
19. 127145
MHz
cent : 189 . 968350
MHz
CH1
S21
LOG
10 dB/
29 Jun 2004 17:02:08
1: -26 . 511 dB
190 . 000 000 MHz
REF -26.7 dB
REF=1
Q: 9. 9319
1
1_loss : -26 . 471 dB
1
2
4
3
3
2
Cor
CH2 Markers
mean : -26 . 340 dB
REF=2
s. dev : . 13170 dB
p-p : . 75000 dB
CENTER 190 . 000 000 MHz
CH1
CH2
S11
S22
SWR
SWR
5 /
5 /
SPAN
23. 000 000 MHz
29 Jun 2004 17:00:45
1: 1. 3696
190 . 000 000 MHz
2: 2. 7510
190 . 000 000 MHz
REF 1.369
REF 2.793
Cor
START
CH1
CH2
S11
S22
. 010 000 MHz
1 U FS
1 U FS
STOP 600 . 000 000 MHz
1: 67. 500
2: 20. 410
5. 6133
15. 993
29 Jun 2004 17:00:52
4. 7020 nH
190 . 000 000 MHz
13. 397 nH
190 . 000 000 MHz
Cor
2
1
1
Cor
2
CENTER 190 . 000 000 MHz
Cor
SPAN
53. 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
Part No.
251905B
Rev. Date
2004-09-23
Rev.
NM4017- CS03
53. 000 000 MHz
5/5
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