SAW Bandpass Filter 271803B
1. Features
IF Bandpass Filter
High Attenuation
Single-Ended Operation
DIP Package
Maximum Storage Temperature Range : -40
℃
~ 85
℃
Electrostatics Sensitive Device (ESD)
2. Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
ITF 08A001
271803B
70-18M
35.1±0.5
Package : D3512
0.45±0.05
2.5±0.2
Pin Configuration
1
Input
Output
Ground
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
5
2, 4
3, 6
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
Rev. Date
Rev.
271803B
2008-01-30
NM7058-S01
1/5
25.4±0.2
SAW Bandpass Filter 271803B
3. Specifications
Fo = 70.0 MHz
Terminating source impedance
Terminating load impedance
: 50Ω and matching network
: 50Ω and matching network
Minimum
Typical
Maximum
Center Frequency
Insertion Loss
1dB Bandwidth
3dB Bandwidth
35dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo±9.0 MHz)
Group Delay Variation (fo±9.0 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/°C
-
-
18.0
-
-
-
-
-
-
45
-
70.0
26.5
18.12
18.30
18.92
18.96
0.55
60
3.73
52
-72
-
28.0
-
-
19.0
-
1.0
120
-
-
-
Notes :
1)
2)
3)
All specifications are based on the matching schematic shown below
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
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.
Rev. Date
Rev.
271803B
2008-01-30
NM7058-S01
2/5
SAW Bandpass Filter 271803B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input
50
Ω
L1
L2
Output
50
Ω
C1
L1 = 82nH, L2 = 82nH
nH,
C1 = 2.5pF
5. Marking Configuration
ITF
1)
08A001
2)
271803B
3)
70
4)
-18M
5)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Center Frequecy
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.
Rev. Date
Rev.
271803B
2008-01-30
NM7058-S01
3/5
SAW Bandpass Filter 271803B
6. Typical Performance ( at +25°C )
°
30 Nov 2007 10:26:32
1: 0. 0000 dB
0. 000 000 MHz
3:- . 05340 dB
-18 . 000 000 MHz
CH1 S21
CH2 S21
LOG
LOG
1 dB/ REF -26.52 dB
1 dB/ REF -26.95 dB
CH1 Markers
BW 18. 150501 MHz
:
Cor
cent :
70. 011134 MHz
Q 3. 8573
:
1
2
1_
loss : -26 . 846 dB
REF=1
3
4
3
2
Cor
CH2 Markers
mean:-26 . 671 dB
s. dev : . 08870 dB
p-p : . 48780 dB
REF=2
CENTER 70. 000 000 MHz
SPAN 22. 000 000 MHz
CH1 S21
LOG
10 dB/
REF -27.04 dB
30 Nov 2007 10:25:13
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
1
Cor
2
BW 19. 005228 MHz
:
cent :
70. 005333 MHz
Q 3. 6835
:
1_
loss : -27 . 006 dB
REF=1
Hld
3
4
CENTER 70. 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
Part No.
Rev. Date
Rev.
271803B
2008-01-30
NM7058-S01
4/5
SAW Bandpass Filter 271803B
CH1
CH2
S21
S21
LOG
DEL
1 dB/
100 ns/
REF -26.52 dB
REF 3.713 us
30 Nov 2007 10:26:43
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 9249 ns
-18 . 000 000 MHz
CH1
S21
LOG
10 dB/
REF -27.04 dB
30 Nov 2007 10:24:37
1: 0. 0000 dB
0. 000 000 MHz
*
CH1 Markers
BW
:
Cor
cent :
18. 306821 MHz
70. 007582 MHz
Q: 3. 8241
1
2
Hld
1_loss : -26 . 839 dB
Cor
2
REF=1
1
BW
:
cent :
CH1 Markers
18. 949098 MHz
70. 007277 MHz
Q: 3. 6945
1_loss : -27 . 043 dB
REF=1
3
Smo
Cor
3
CH2 Markers
mean: 3. 7358 us
s. dev : 9. 4274 ns
p-p : 58. 122 ns
2
4
3
4
REF=2
CENTER 70. 000 000 MHz
SPAN 22. 000 000 MHz
CENTER 70. 000 000 MHz
SPAN 50. 000 000 MHz
CH1 S21
LOG
10 dB/
REF -25.82 dB
30 Nov 2007 10:28:27
1: 0. 0000 dB
0. 000 000 MHz
CH1
CH2
S11
S22
SWR
SWR
10 /
10 /
REF 10.15
REF 7.793
30 Nov 2007 10:28:03
1: 10. 162
70. 000 000 MHz
2: 7. 7759
70. 000 000 MHz
CH1 Markers
2:-60 . 655 dB
70. 0000 MHz
1
3:-62 . 059 dB
140. 000 MHz
REF=1
Cor
1
Cor
2
2
START
. 010 000 MHz
3
STOP 300 . 000 000 MHz
CENTER 70. 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
Part No.
Rev. Date
Rev.
271803B
2008-01-30
NM7058-S01
5/5
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