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SAW Bandpass Filter 202546C  
1. Features  
z
z
z
z
z
z
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  
Package : D3512  
Pin Configuration  
1
Input  
Output  
4
Dimensions shown are nominal in millimeters  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
2, 5  
3, 6  
Ground  
Case ground  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
202546C  
Rev. Date  
2004-05-04  
1/5  
Rev.  
NI2047-CS02  
SAW Bandpass Filter 202546C  
3. Specifications  
Fo = 160.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
160.0  
21.0  
2.42  
2.55  
3.08  
0.75  
220  
Maximum  
Center Frequency  
MHz  
dB  
159.92  
160.08  
Insertion Loss  
-
-
23.5  
-
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
3dB Bandwidth  
2.5  
-
-
40dB Bandwidth  
3.1  
1.0  
300  
4.6  
-
Amplitude Ripple (Fo +/- 1.15 MHz)  
-
Group Delay Variation (Fo +/- 1.15 MHz)  
Absolute Delay  
nsec  
usec  
-
-
4.56  
45  
Ultimate Rejection  
dB  
40  
-
Temperature Coefficient of Frequency  
ppm/°C2  
-0.03  
-
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.  
Part No.  
Rev. Date  
Rev.  
202546C  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-04  
2/5  
NI2047-CS02  
SAW Bandpass Filter 202546C  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L4  
Input  
50Ω  
Output  
50Ω  
L2  
L3  
L1 = L4 = 39 nH  
L2 = L3 = 56 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202546C3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202546C  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-04  
3/5  
NI2047-CS02  
SAW Bandpass Filter 202546C  
6. Typical Performance ( at +25℃ )  
3 May 2004 13:31:09  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -20.96 dB  
202546C  
CH1 Markers  
BW: 3. 087456 MHz  
REF=1  
cent  
1
2
Cor  
:
160 . 015932 MHz  
Q: 51. 828  
1_loss : -20 . 998 dB  
3
4
CENTER 160 . 000 000 MHz  
SPAN 8. 000 000 MHz  
3 May 2004 13:31:47  
CH2 S21  
CH4 S21  
LOG  
DEL  
1 dB/ REF -20.99 dB  
400 ns/ REF 5.25 us  
1: 0. 0000 dB  
3:-54 . 762 ns  
0. 000 000 MHz  
2. 300 000 MHz  
202546C  
CH2 Markers  
BW: 2. 566404 MHz  
REF=1  
cent  
:
160 . 008794 MHz  
Q: 62. 347  
1
2
1_loss : -20 . 962 dB  
3
CH4 Markers3  
mean: 4. 5679 us  
s. dev : 39. 212 ns  
p-p : 216 . 93 ns  
4
REF=2  
Cor  
2
Smo  
Cor  
4
2
SPAN 3. 000 000 MHz  
CENTER 160 . 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.  
202546C  
Rev. Date  
Rev.  
2004-05-04  
4/5  
NI2047-CS02  
SAW Bandpass Filter 202546C  
3 May 2004 13:33:37  
1: 0. 0000 dB 0. 000 000 MHz  
3 May 2004 13:32:02  
CH1 S21  
LOG  
10 dB/ REF -29.78 dB  
CH2 S21  
CH4 S21  
LOG  
LOG  
1 dB/ REF -20.98 dB  
1 dB/ REF -20.96 dB  
1: 0. 0000 dB  
3: . 34250 dB  
0. 000 000 MHz  
2. 300 000 MHz  
202546C  
202546C  
CH2 Markers  
BW: 2. 437919 MHz  
CH1 Markers  
REF=1  
cent  
REF=1  
2:-26 . 381 dB  
99. 5000 MHz  
1
:
160 . 015184 MHz  
Q: 65. 636  
3:-30 . 199 dB  
134 . 100 MHz  
1
1_loss  
: -20 . 993 dB  
2
3
4
3
2
3
2
CH4 Markers  
REF=2  
Cor  
Cor  
mean:-21 . 083 dB  
s. dev : . 17320 dB  
p-p : . 74810 dB  
CENTER 160 . 000 000 MHz  
S42PAN 3. 000 000 MHz  
START 100 . 000 000 MHz  
STOP 350 . 000 000 MHz  
3 May 2004 13:32:20  
CH1 S11  
CH3 S22  
1 U FS  
1 U FS  
1: 22. 212  
2: 42. 387  
-4 . 7500  
-44 . 207  
209 . 41 pF  
22. 501 pF  
160 . 000 000 MHz  
160 . 000 000 MHz  
3 May 2004 13:32:39  
CH1 S11  
CH3 S22  
SWR  
SWR  
1
1
/
/
REF 0  
REF 0  
1: 2. 2758  
2: 2. 5624  
160 . 000 000 MHz  
160 . 000 000 MHz  
202546C  
202546C  
Cor  
Cor  
Cor  
Cor  
1
1
2
2
CENTER 160 . 000 000 MHz  
SPAN 8. 000 000 MHz  
CENTER 160 . 000 000 MHz  
SPAN 8. 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.  
202546C  
2004-05-04  
5/5  
NI2047-CS02