252905B

SAW Bandpass Filter 252905B
1. Features
IF Bandpass Filter
High Attenuation
Single-Ended Operation
DIP Package
Maximum Storage Temperature Range : -40℃ ~ 85℃
Electrostatics Sensitive Device (ESD)
Package : D3512
2.5±0.2
25.4±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
ITF 08A001
252905B
125-29.2M
35.1±0.5
12.8±0.5
2.5±0.2
2. Package Dimension
Pin Configuration
1
5
Output
2, 4
Ground
3, 6
Case ground
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
Input
Part No.
252905B
Rev. Date
2009-04-28
Rev.
NM8077-CS02
1/5
SAW Bandpass Filter 252905B
3. Specifications
Fo = 125.0 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
-
125.0
-
dB
-
34.0
36.0
1dB Bandwidth
MHz
29.15
29.24
-
3dB Bandwidth
MHz
-
29.45
-
50dB Bandwidth
MHz
-
30.37
30.55
dB
-
0.5
1.2
Group Delay Variation (fo ± 14.52 MHz)
nsec
-
30
80
Absolute Delay
usec
-
4.3
-
dB
58
62
-
dBm
-
-
10
ppm/°C
-
-18
-
Center Frequency
Insertion Loss
Amplitude Ripple (fo ± 14.52 MHz)
Ultimate Rejection
Input power
Temperature Coefficient of Frequency
*For Rejection, Smoothing ON
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.
252905B
Rev. Date
2009-04-28
Rev.
NM8077-CS02
2/5
SAW Bandpass Filter 252905B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input
50Ω
L1
L4
L2
Output
50Ω
L3
L1 = 56nH, L2 = 68nH
L3 = 82nH, L4 = 56nH
5. Marking Configuration
ITF1) 08A0012)
252905B3)
1254)-29.2M5)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Center frequency
5) 1dB-Bandwidth
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
252905B
Rev. Date
2009-04-28
Rev.
NM8077-CS02
3/5
SAW Bandpass Filter 252905B
6. Typical Performance ( at +25°°C )
CH1 S21
LOG
28 Apr 2009 00:31:30
1: 0. 0000 dB
0. 000 000 MHz
10 dB/ REF -33.57 dB
*
CH1Markers
1
BW: 30. 363909 MHz
2
cent : 125. 022811 MHz
C
REF=1
Q: 4. 1175
1_loss : -33 . 576 dB
Hld
3
4
CENTER125. 000 000 MHz
CH1 S21
CH2 S21
LOG
LOG
SPAN 80. 000 000 MHz
20 Dec 2008 18:48:33
1: 0. 0000 dB
0. 000 000 MHz
2:- . 08410 dB
-29 . 040 000 MHz
1 dB/ REF -33.86 dB
1 dB/ REF -34.33 dB
CH1 Markers
C
BW: 29. 249267 MHz
MARKER 2-3
-29.04 MHz
REF=1
cent : 125. 002220 MHz
Q: 4. 2737
1
1_loss : -34 . 098 dB
2
3
4
2
3
C
CH2 Markers
mean:-34 . 100 dB
REF=3
s. dev : . 08400 dB
p-p : . 49880 dB
CENTER125. 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 36. 000 000 MHz
Part No.
252905B
Rev. Date
2009-04-28
Rev.
NM8077-CS02
4/5
SAW Bandpass Filter 252905B
CH1 S21
CH2 S21
LOG
DEL
20 Dec 2008 18:48:46
1: 0. 0000 dB
0. 000 000 MHz
2: 395. 63 ps
-29 . 040 000 MHz
1 dB/ REF -33.86 dB
100 ns/ REF 4.281 us
CH1Markers
BW: 29. 450647 MHz
C
CH1 S21
LOG
28 Apr 2009 00:32:36
1:-33 . 681 dB
125. 000 000 MHz
10 dB/ REF -33.57 dB
REF=1
Smo
cent : 125. 009350 MHz
1
C
Q: 4. 2447
1_loss : -34 . 100 dB
1
Avg
15
2
2
Smo
C
3
4
3
CH2Markers
mean: 4. 2984 us
REF=3
s. dev: 5. 0101 ns
p-p : 27. 297 ns
CENTER125. 000 000 MHz
CH1 S21
LOG
CENTER125. 000 000 MHz
SPAN 36. 000 000 MHz
20 Dec 2008 18:49:46
1: 0. 0000 dB
0. 000 000 MHz
10 dB/ REF -33.74 dB
CH1Markers
2:-57 . 409 dB
125. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
SPAN 80. 000 000 MHz
5 Dec 2008 16:14:09
1: 2. 7847
124. 930 000 MHz
2: 2. 8950
125. 000 000 MHz
REF 2.783
REF 2.891
REF=1
C
3:-56 . 682 dB
250. 000 MHz
1
1
C
2
3
2
START . 010 000 MHz
STOP 450. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
CENTER125. 000 000 MHz
SPAN 80. 000 000 MHz
Part No.
252905B
Rev. Date
2009-04-28
Rev.
NM8077-CS02
5/5
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