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SAW Bandpass Filter 204541B  
1. Features  
z
z
z
z
z
z
IF Bandpass Filter  
Low-Loss Filter  
Single-Ended Operation  
Ceramic Surface Mount Device (SMD) Package  
Maximum Storage Temperature Range : -40℃ ~ 85℃  
Electrostatics Sensitive Device (ESD)  
2. Package Dimensions  
13.30±0.2  
7.62±0.1  
10  
9
8
7
7
8
9
10  
11  
12  
6
5
11  
12  
6
5
ITF04A001  
204541B  
1.50±0.1  
4
3
2
2.54±0.1  
1
1
2
3
4
0.80±0.1  
Pad Configuration  
11  
5
Input  
Output  
Package : S1365  
6, 12  
Other  
Ground  
Dimensions shown are nominal in millimeters  
Case ground  
Body : Al2O3 Ceramic  
Lid : Kovar, Ni Plated  
Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
204541B  
Rev. Date  
Rev.  
2004-04-07  
1/5  
NI2024-CS02  
SAW Bandpass Filter 204541B  
3. Specifications  
Fo = 160.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
160.0  
16.0  
9.1  
Maximum  
Center Frequency  
MHz  
dB  
159.85  
160.15  
Insertion Loss  
-
8.8  
9.4  
-
17.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
9.7  
-
11.75  
1.0  
200  
-
40dB Bandwidth  
11.4  
0.8  
Amplitude Ripple (Fo +/- 4.375 MHz)  
-
Group Delay Variation (Fo +/- 4.375 MHz)  
Absolute Delay  
nsec  
usec  
dB  
-
140  
-
1.49  
45  
Ultimate Rejection  
40  
-
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.  
204541B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-07  
2/5  
NI2024-CS02  
SAW Bandpass Filter 204541B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L2  
L3  
Input  
50Ω  
Output  
50Ω  
L1  
L4  
L2 = 18 nH,  
L1 = 18 nH,  
L3 = 27 nH  
L4 = 27 nH  
5. Marking Configuration  
ITF1) 04A0012)  
204541B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
204541B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-07  
3/5  
NI2024-CS02  
SAW Bandpass Filter 204541B  
6. Typical Performance ( at +25℃ )  
3 Apr 2004 09:26:03  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -16.35 dB  
204541B  
CH1 Markers  
BW: 11. 509607 MHz  
REF=1  
1
2
Cor  
cent  
:
160 . 062503 MHz  
Q: 13. 907  
1_loss : -16 . 356 dB  
3
4
CENTER 160 . 000 000 MHz  
SPAN 30. 000 000 MHz  
3 Apr 2004 09:27:10  
CH2 S21  
CH4 S21  
LOG  
DEL  
1 dB/ REF -16.37 dB  
100 ns/ REF 1.62 us  
1: 0. 0000 dB  
3:-12 . 851 ns  
0. 000 000 MHz  
8. 750 000 MHz  
204541B  
CH2 Markers  
BW: 9. 746287 MHz  
REF=1  
cent  
:
159 . 986588 MHz  
Q: 16. 415  
1
2
1_loss : -16 . 365 dB  
3
CH4 Markers  
4
3
REF=2  
Cor  
2
mean: 1. 4915 us  
s. dev : 13. 405 ns  
p-p : 90. 180 ns  
Smo  
4
Cor  
2
CENTER 160 . 000 000 MHz  
SPAN 15. 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.  
204541B  
Rev. Date  
Rev.  
2004-04-07  
4/5  
NI2024-CS02  
SAW Bandpass Filter 204541B  
3 Apr 2004 09:27:25  
3 Apr 2004 09:28:52  
1: 0. 0000 dB 0. 000 000 MHz  
CH2 S21  
CH4 S21  
LOG  
LOG  
1 dB/ REF -16.38 dB  
1 dB/ REF -16.61 dB  
1: 0. 0000 dB  
3: . 04390 dB  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -18.01 dB  
204541B  
204541B  
CH2 Markers  
BW: 9. 106370 MHz  
CH1 Markers  
REF=1  
REF=1  
1
2:-47 . 956 dB  
160 . 000 MHz  
cent  
:
160 . 002495 MHz  
Q: 17. 570  
1
2
1_loss  
:
-16 . 376 dB  
3
4
3
2
CH4 Markers  
REF=2  
Cor  
Cor  
mean:-16 . 398 dB  
s. dev : . 10660 dB  
p-p : . 60670 dB  
2
24  
CENTER 160 . 000 000 MHz  
SPAN 15. 000 000 MHz  
START . 010 000 MHz  
STOP 400 . 000 000 MHz  
3 Apr 2004 09:27:46  
3 Apr 2004 09:28:08  
CH1 S11  
CH3 S22  
1 U FS  
1 U FS  
1: 39. 199  
2: 36. 605  
39. 209  
-14 . 418  
39. 002 nH  
160 . 000 000 MHz  
160 . 000 000 MHz  
CH1 S11  
CH3 S22  
SWR  
SWR  
2
2
/
/
REF 0  
REF 0  
1: 2. 4313  
2: 1. 5763  
160 . 000 000 MHz  
160 . 000 000 MHz  
68. 992 pF  
204541B  
204541B  
Cor  
Cor  
Cor  
Cor  
1
1
2
2
CENTER 160 . 000 000 MHz  
SPAN 30. 000 000 MHz  
CENTER 160 . 000 000 MHz  
SPAN 30. 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.  
204541B  
2004-04-07  
5/5  
NI2024-CS02