251902B

SAW Bandpass Filter 251902B
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 : D3512
2.5±0.2
25.4±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
ITF 04A001
251902B
35.1±0.5
12.8±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.
251902B
Rev. Date
2004-06-21
Rev.
NM4012-CS01
1/5
SAW Bandpass Filter 251902B
3. Specifications
Fo = 120.0 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
-
25.5
26.5
1dB Bandwidth
MHz
-
18.9
-
3dB Bandwidth
MHz
19.0
19.1
-
40dB Bandwidth
MHz
-
20.1
20.4
dB
-
0.8
1.0
Group Delay Variation (Fo +/- 9.22 MHz)
nsec
-
50
150
Absolute Delay
usec
-
2.67
-
Ultimate Rejection
dB
50
55
-
at 110 MHz
dB
25
30
-
at 130 MHz
dB
25
30
-
ppm/°C
-
-72
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 9.22 MHz)
Relative Attenuation
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.
251902B
Rev. Date
2004-06-21
Rev.
NM4012-CS01
2/5
SAW Bandpass Filter 251902B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
L1
Input
50Ω
L2
C1
Output
50Ω
C2
L1 = L2 = 39 nH
C1 = C2 = 33 pF
5. Marking Configuration
ITF1) 04A0012)
251902B3)
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.
251902B
Rev. Date
2004-06-21
Rev.
NM4012-CS01
3/5
SAW Bandpass Filter 251902B
6. Typical Performance ( at +25℃ )
CH1
S21
LOG
10 dB/
14 May 2004 08:05:33
1: 0. 0000 dB
0. 000 000 MHz
REF -24.97 dB
CH1 Markers
1
Cor
2
BW:
REF=1
20. 103495
MHz
: 119 . 993281
MHz
cent
Q: 5. 9688
1_loss : -25 . 075 dB
3
4
CENTER 120 . 000 000 MHz
CH1
CH2
S21
S21
LOG
DEL
1 dB/
100 ns/
SPAN
50. 000 000 MHz
14 May 2004 08:08:48
1: 0. 0000 dB
0. 000 000 MHz
3: -20 . 780 ns
18. 440 000 MHz
REF -24.56 dB
REF 2.643 us
CH1 Markers
BW:
Cor
19. 106955
MHz
: 119 . 997891
MHz
REF=1
cent
Q: 6. 2803
1_loss : -25 . 018 dB
1
2
3
Smo
Cor
2
3
CH2 Markers
REF=2
mean : 2. 6782 us 4
s. dev : 7. 9002 ns
p-p : 43. 653 ns
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
23. 000 000 MHz
Part No.
251902B
Rev. Date
2004-06-21
Rev.
NM4012-CS01
4/5
SAW Bandpass Filter 251902B
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
14 May 2004 08:08:30
1: 0. 0000 dB
0. 000 000 MHz
3: . 12540 dB
18. 440 000 MHz
REF -24.56 dB
REF -25.11 dB
CH1 Markers
BW:
Cor
18. 890896
MHz
: 119 . 999019
MHz
CH1
S21
LOG
10 dB/
14 May 2004 08:10:35
1: -24 . 770 dB
120 . 000 000 MHz
REF -24.64 dB
REF=1
cent
Q: 6. 3522
1
1_loss : -25 . 029 dB
1
2
3
4
3
2
CH2 Markers
Cor
mean : -24 . 966 dB
REF=2
s. dev : . 12850 dB
p-p : . 75040 dB
CENTER 120 . 000 000 MHz
SPAN
23. 000 000 MHz
START
CH1
S21
LOG
10 dB/
19 Jun 2004 12:31:09
1: 0. 0000 dB
0. 000 000 MHz
REF -25.08 dB
CH1
CH2
S11
S22
. 010 000 MHz
1 U FS
1 U FS
STOP 400 . 000 000 MHz
1: 9. 9590
2: 7. 2681
3. 8149
-1 . 4839
14 May 2004 08:10:02
5. 0597 nH
120 . 000 000 MHz
893 . 80 pF
120 . 000 000 MHz
*
CH1 Markers
1
2: -29 . 729 dB
-10 . 0000 MHz
Cor
REF=1
Cor
3: -33 . 519 dB
10. 0000 MHz
1
Hld
2
2
3
Cor
CENTER 120 . 000 000 MHz
SPAN
50. 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 120 . 000 000 MHz
SPAN
Part No.
251902B
Rev. Date
2004-06-21
Rev.
NM4012-CS01
50. 000 000 MHz
5/5