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SAW Bandpass Filter 205403B  
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  
205403B  
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.  
205403B  
Rev. Date  
Rev.  
2004-04-27  
1/5  
NJ3008-CS02  
SAW Bandpass Filter 205403B  
3. Specifications  
Fo = 80.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
80.0  
12.0  
21.2  
21.9  
25.3  
0.6  
Maximum  
Center Frequency  
MHz  
dB  
79.8  
80.2  
Insertion Loss  
-
13.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
21.0  
-
3dB Bandwidth  
21.7  
-
25.5  
1.0  
120  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 10.0 MHz)  
Group Delay Variation (Fo +/- 10.0 MHz)  
Absolute Delay  
nsec  
usec  
-
40  
-
1.03  
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.  
205403B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-27  
2/5  
NJ3008-CS02  
SAW Bandpass Filter 205403B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L2  
L1 = 82 nH,  
L2 = 56 nH  
5. Marking Configuration  
ITF1) 04A0012)  
205403B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
205403B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-27  
3/5  
NJ3008-CS02  
SAW Bandpass Filter 205403B  
6. Typical Performance ( at +25℃ )  
26 Apr 2004 13:54:15  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -11.97 dB  
205403B  
CH1 Markers  
BW: 25. 083820 MHz  
REF=1  
1
Cor  
cent  
:
80. 305149 MHz  
Q: 3. 2015  
2
1_loss : -11 . 948 dB  
3
4
CENTER 80. 000 000 MHz  
SPAN 70. 000 000 MHz  
26 Apr 2004 13:54:56  
CH2 S21  
CH4 S21  
LOG  
DEL  
1 dB/ REF -11.95 dB  
150 ns/ REF 1.3 us  
1: 0. 0000 dB  
3:-15 . 462 ns  
0. 000 000 MHz  
20. 000 000 MHz  
205403B  
CH2 Markers  
BW: 21. 913147 MHz  
REF=1  
cent  
:
80. 010916 MHz  
Q: 3. 6513  
1
2
1_loss : -11 . 966 dB  
CH4 Markers  
4
3
3
REF=2  
Cor  
mean: 1. 0317 us  
Smo  
2
s. dev : 6. 5396 ns  
p-p : 35. 909 ns  
Cor  
4
2
CENTER 80. 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.  
205403B  
Rev. Date  
Rev.  
2004-04-27  
4/5  
NJ3008-CS02  
SAW Bandpass Filter 205403B  
26 Apr 2004 13:55:09  
CH2 S21  
CH4 S21  
LOG  
LOG  
1 dB/ REF -11.96 dB  
1 dB/ REF -11.89 dB  
1: 0. 0000 dB  
3: . 08590 dB  
0. 000 000 MHz  
20. 000 000 MHz  
26 Apr 2004 13:56:28  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -11.73 dB  
205403B  
205403B  
CH2 Markers  
BW: 21. 137067 MHz  
REF=1  
CH1 Markers  
REF=1  
cent  
:
80. 007081 MHz  
Q: 3. 7852  
1
2:-42 . 931 dB  
80. 0000 MHz  
3:-27 . 695 dB  
160 . 000 MHz  
1
2
1_loss  
:
-11 . 961 dB  
3
4
3
3
2
CH4 Markers  
REF=2  
Cor  
Cor  
mean:-11 . 873 dB  
s. dev : . 08630 dB  
p-p : . 44300 dB  
2
24  
CENTER 80. 000 000 MHz  
SPAN 30. 000 000 MHz  
START . 010 000 MHz  
STOP 350 . 000 000 MHz  
26 Apr 2004 13:55:58  
26 Apr 2004 13:55:27  
CH1 S11  
CH3 S22  
SWR  
SWR  
5
5
/
/
REF 0  
REF 0  
1: 2. 4385  
2: 1. 6119  
80. 000 000 MHz  
80. 000 000 MHz  
CH1 S11  
CH3 S22  
1 U FS  
1 U FS  
1: 86. 477  
2: 70. 922  
-48 . 406  
-19 . 621  
41. 099 pF  
101 . 39 pF  
80. 000 000 MHz  
80. 000 000 MHz  
205403B  
205403B  
Cor  
Cor  
Cor  
Cor  
1
2
1
2
CENTER 80. 000 000 MHz  
SPAN 70. 000 000 MHz  
CENTER 80. 000 000 MHz  
SPAN 70. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
205403B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-27  
5/5  
NJ3008-CS02