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SAW Bandpass Filter 205303B  
1. Features  
z
z
z
z
z
IF Bandpass 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  
205303B  
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.  
205303B  
Rev. Date  
Rev.  
2004-04-27  
1/5  
NI2007-CS03  
SAW Bandpass Filter 205303B  
3. Specifications  
Fo = 75.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
75.0  
21.5  
19.4  
20.0  
22.8  
0.7  
Maximum  
Center Frequency  
MHz  
dB  
-
-
Insertion Loss  
-
23.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
19.7  
-
23.0  
1.0  
120  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 9.375 MHz)  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
1.23  
45  
Ultimate Rejection  
dB  
40  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-86  
-
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.  
205303B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-27  
2/5  
NI2007-CS03  
SAW Bandpass Filter 205303B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L2  
Input  
50Ω  
Output  
50Ω  
L1  
R1  
L1 = 56 nH,  
L2 = 180 nH  
R1 = 62 Ω  
5. Marking Configuration  
ITF1) 04A0012)  
205303B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
205303B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-27  
3/5  
NI2007-CS03  
SAW Bandpass Filter 205303B  
6. Typical Performance ( at +25℃ )  
26 Apr 2004 17:16:54  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -20.57 dB  
205303B  
CH1 Markers  
BW: 22. 856272 MHz  
REF=1  
1
Cor  
cent  
:
75. 373422 MHz  
Q: 3. 2977  
2
1_loss : -20 . 576 dB  
3
4
CENTER 75. 000 000 MHz  
SPAN 60. 000 000 MHz  
26 Apr 2004 17:17:22  
CH2 S21  
CH4 S21  
LOG  
DEL  
1 dB/ REF -20.56 dB  
150 ns/ REF 1.51 us  
1: 0. 0000 dB  
3:-82 . 541 ns  
0. 000 000 MHz  
18. 750 000 MHz  
205303B  
CH2 Markers  
BW: 19. 895209 MHz  
REF=1  
cent  
:
75. 155111 MHz  
Q: 3. 7775  
1
1_loss : -20 . 583 dB  
2
CH4 Markers  
4
3
REF=2  
3
Cor  
2
mean: 1. 2477 us  
Smo  
s. dev : 8. 6036 ns  
p-p : 83. 814 ns  
Cor  
4
2
CENTER 75. 000 000 MHz  
SPAN 28. 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.  
205303B  
Rev. Date  
Rev.  
2004-04-27  
4/5  
NI2007-CS03  
SAW Bandpass Filter 205303B  
26 Apr 2004 17:17:34  
26 Apr 2004 17:18:40  
1: 0. 0000 dB 0. 000 000 MHz  
CH2 S21  
CH4 S21  
LOG  
LOG  
1 dB/ REF -20.59 dB  
1 dB/ REF -20.68 dB  
1: 0. 0000 dB  
3: . 15360 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -20.91 dB  
205303B  
205303B  
CH2 Markers  
BW: 19. 291214 MHz  
REF=1  
CH1 Markers  
REF=1  
1
2:-54 . 010 dB  
75. 0000 MHz  
cent  
:
75. 107922 MHz  
Q: 3. 8934  
3:-39 . 094 dB  
150 . 000 MHz  
1
1_loss  
:
-20 . 581 dB  
2
3
4
3
2
CH4 Markers  
3
REF=2  
Cor  
Cor  
mean:-20 . 605 dB  
s. dev : . 11500 dB  
p-p : . 72340 dB  
2
24  
CENTER 75. 000 000 MHz  
SPAN 28. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
26 Apr 2004 17:18:17  
26 Apr 2004 17:18:01  
CH1 S11  
CH3 S22  
SWR  
SWR  
5
5
/
/
REF 0  
REF 0  
1: 1. 6873  
2: 10. 751  
75. 000 000 MHz  
75. 000 000 MHz  
CH1 S11  
CH3 S22  
1 U FS  
1 U FS  
1: 84. 090  
2: 15. 969  
-4 . 1797  
76. 867  
507 . 71 pF  
163 . 12 nH  
75. 000 000 MHz  
75. 000 000 MHz  
205303B  
205303B  
2
Cor  
Cor  
Cor  
Cor  
1
1
2
CENTER 75. 000 000 MHz  
SPAN 60. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 60. 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.  
205303B  
2004-04-27  
5/5  
NI2007-CS03