ITF 203918B

SAW Bandpass Filter 203918B
1. Features
IF Bandpass Filter for DAB
Plastic Package
2. Package Dimension
1
3
2
4
5
1 3 .5 ± 0 .2
2 .5 ± 0 .2
3.5±0.2
4.8±0.2
ITF
203918B
0 .4 9 ± 0 .0 5
0 .2 5 ± 0 .0 5
2 .4 4 ± 0 .1
Package : SIP5D
Pin Configuration
1
Input
Dimensions shown are nominal in millimeters
2
Input ground
Tinned CuFe alloy
3
Case ground
4
Output
5
Output
Parameter
Unit
Minimum
Typical
Maximum
Operation Temperature Range
°C
-10
25
60
Storage Temperature Range
°C
-30
-
80
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
203918B
Rev. Date
2004-11-18
Rev.
NT4009-AS01
1/5
SAW Bandpass Filter 203918B
3. Specifications
Fo = 38.912 MHz
Terminating source impedance
: 50Ω
Terminating load impedance
: 2KΩ // 3pF
Minimum
Typical
Maximum
MHz
-
38.912
-
dB
16.7
18.7
20.7
3dB Bandwidth
MHz
-
1.52
-
30dB Bandwidth
MHz
-
2.62
-
30.01 ~ 36.27 MHz
dB
43.0
48.0
-
36.27 ~ 37.31 MHz
dB
38.0
44.0
-
40.61 ~ 41.41 MHz
dB
38.0
43.0
-
41.41 ~ 50.01 MHz
dB
41.0
45.0
Group Delay Variation (38.12 ~39.72 MHz)
nsec
-
68
-
Absolute Delay
usec
-
1.43
-
ppm/°C
-
-18
-
Center Frequency
Insertion Loss
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.
203918B
Rev. Date
2004-11-18
Rev.
NT4009-AS01
2/5
SAW Bandpass Filter 203918B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Balanced Output
2kΩ
Input
50 Ω
5. Marking Configuration
ITF1)
203918B2)
1) Manufacturer name
2) 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.
203918B
Rev. Date
2004-11-18
Rev.
NT4009-AS01
3/5
SAW Bandpass Filter 203918B
6. Typical Performance ( at +25℃
℃)
CH1
S 21
log MAG
10 dB/
26 Aug 2004 11:52:41
REF -17.2 dB
1_: 0
dB
0.000 000 MHz
REF=1
PRm
BW:
Cor
1
2.627 001 MHz
cent: 38.931528 MHz
Q: 14.82
2
3
4
CH1 START 32.912 000 MHz
CH1
CH2
S 21
S 21
1_ loss: -17.968 dB
STOP 44.912 000 MHz
log MAG
delay
1 dB/
100 ns/
26 Aug 2004 11:57:24
1_: 0
dB
REF -17.5 dB
3_ -7.1082 ns
REF 1.4 us
2
0.000 000 MHz
PRm
REF=1
BW:
Cor
1
1.491 131 MHz
cent: 38.923843 MHz
Q: 26.104
2
1_ loss: -17.986 dB
3
2
1.600 000 MHz
3
4
mean: 1.429 6 us
PRm
REF=2
s.dev: 14.796 ns
Cor
p-p: 66.821 ns
Smo
1
CH1 CENTER 38.912 000 MHz
CH2 CENTER 38.912 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN
SPAN
3.000 000 MHz
3.000 000 MHz
Part No.
203918B
Rev. Date
2004-11-18
Rev.
NT4009-AS01
4/5
SAW Bandpass Filter 203918B
CH1
S 21
log MAG
10 dB/
CH1
CH2
26 Aug 2004 11:51:36
REF -17.2 dB
S 21
S 21
log MAG
phase
2 dB/
5
/
26 Aug 2004 11:58:59
REF -17.5 dB
1_: 0
dB
REF -53.7
3_ 5.9659
0.000 000 MHz
PRm
REF=1
PRm
BW:
Cor
Cor
1
1.990 188 MHz
cent: 38.927742 MHz
Q: 19.56
2
1_ loss: -17.952 dB
3
2
1.600 000 MHz
2
REF=2
mean:-52.051
PRm
s.dev: 1.521
Cor
p-p: 6.1853
3
Del
CH1 START 29.000 000 MHz
4
1
CH1 CENTER 38.912 000 MHz
CH2 CENTER 38.912 000 MHz
STOP 51.000 000 MHz
SPAN
SPAN
26 Aug 2004 11:41:51
CH1
S 21
log MAG
10 dB/
REF -27 dB
CH1
PRm
PRm
Cor
Cor
CH1 START 0 s
STOP 5 us
S 21
log MAG
CH1 START 20.000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
10 dB/
6.000 000 MHz
3.000 000 MHz
26 Aug 2004 11:53:53
REF -17.5 dB
STOP 120.000 000 MHz
Part No.
203918B
Rev. Date
2004-11-18
Rev.
NT4009-AS01
5/5