251906B

SAW Bandpass Filter 251906B
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)
Package : D2712
2.5±0.2
17.7±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
ITF 04A001
251906B
27.3±0.5
12.7±0.5
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
2.5±0.2
2. Package Dimension
Input
5
Output
2, 4
Ground
3, 6
Case ground
Part No.
251906B
Rev. Date
2004-04-20
Rev.
DS4031-CS01
1/5
SAW Bandpass Filter 251906B
3. Specifications
Fo = 120 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
119.9
120.0
120.1
dB
-
30.0
31.0
1dB Bandwidth
MHz
-
18.87
-
3dB Bandwidth
MHz
19.0
19.09
-
40dB Bandwidth
MHz
-
20.06
20.3
dB
-
0.7
1.0
Group Delay Variation (Fo +/- 9.22 MHz)
nsec
-
50
100
Absolute Delay
usec
-
4.04
-
Ultimate Rejection
dB
50
52
-
ppm/°C
-
-23
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 9.22 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.
251906B
Rev. Date
2004-04-20
Rev.
DS4031-CS01
2/5
SAW Bandpass Filter 251906B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
L1
Input
50Ω
L4
L2
Output
50Ω
L3
L1 = 56 nH,
L4 = 68 nH
L2 = 82 nH,
L3 = 68 nH
5. Marking Configuration
ITF1) 04A0012)
251906B3)
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.
251906B
Rev. Date
2004-04-20
Rev.
DS4031-CS01
3/5
SAW Bandpass Filter 251906B
6. Typical Performance ( at +25℃ )
CH1
S 21
log MAG
10 dB/
25 Sep 2003 11:47:07
1_: 0
REF -29.46 dB
dB
0.000 000 MHz
REF=1
PRm
BW: 20.071 609 MHz
1
Cor
cent: 120.017555 MHz
Q: 5.9795
2
1_ loss: -29.5 dB
3
4
CH1 CENTER 120.000 000 MHz
CH1
CH2
S 21
S 21
log MAG
delay
SPAN 50.000 000 MHz
1 dB/
100 ns/
25 Sep 2003 11:48:39
1_ 0
dB
REF -29.32 dB
REF 4.038 us
3_: 7.0731 ns
0.000 000 MHz
PRm
REF=1
BW: 19.111 356 MHz
Cor
cent: 120.025703 MHz
Q: 6.2803
1
1_ loss: -29.27 dB
2
18.440 000 MHz
3
REF=2
PRm
32
Cor
mean: 4.044 3 us
4
s.dev: 6.1534 ns
p-p: 31.712 ns
Smo
1
CENTER 120.000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
2
SPAN 23.000 000 MHz
Part No.
251906B
Rev. Date
2004-04-20
Rev.
DS4031-CS01
4/5
SAW Bandpass Filter 251906B
CH1
CH2
S 21
S 21
log MAG
log MAG
1 dB/
1 dB/
25 Sep 2003 11:48:22
REF -29.32 dB
1_ 0
dB
REF -29.3 dB
3_: .1525 dB
CH1
S21
LOG
10 dB/
12 Apr 2004 19:05:56
1: -28 . 550 dB
120 . 000 000 MHz
REF -28.9 dB
0.000 000 MHz
PRm
REF=1
BW: 18.897 640 MHz
Cor
cent: 120.031199 MHz
1
1
Q: 6.3517
1_ loss: -29.257 dB
2
3
4
18.440 000 MHz
3
REF=2
PRm
mean:-29.245 dB
2
s.dev: .0947 dB
Cor
p-p: .5688 dB
1
2
CENTER 120.000 000 MHz
CH1
CH2
S 11
S 22
SWR
SWR
START
. 010 000 MHz
STOP 400 . 000 000 MHz
SPAN 23.000 000 MHz
2 /
1 /
REF 2.624
REF 2.896
25 Sep 2003 11:50:40
1_ 2.6233
2_: 2.8964
CH1
CH2
S 11
S 22
1 U FS
1 U FS
25 Sep 2003 11:50:48
-32.914
40.296 pF
-31.48
42.131 pF
1_: 29.719
2_ 25.583
120.000 000 MHz
PRm
120.000 000 MHz
PRm
1
Cor
Cor
1
2
120.000 000 MHz
PRm
PRm
2
Cor
CENTER 120.000 000 MHz
120.000 000 MHz
2
Cor
SPAN 50.000 000 MHz
1
CENTER 120.000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN 50.000 000 MHz
Part No.
251906B
Rev. Date
2004-04-20
Rev.
DS4031-CS01
5/5
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