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SAW Bandpass Filter 205402B  
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  
205402B  
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.  
205402B  
Rev. Date  
Rev.  
2004-05-04  
1/5  
DS4003-CS01  
SAW Bandpass Filter 205402B  
3. Specifications  
Fo = 82.5 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
82.5  
13.7  
26.0  
26.9  
30.4  
0.5  
Maximum  
Center Frequency  
MHz  
dB  
82.3  
82.7  
Insertion Loss  
-
15.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
25.5  
-
3dB Bandwidth  
26.4  
-
31.0  
1.0  
100  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 12.5 MHz)  
Group Delay Variation (Fo +/- 12.5 MHz)  
Absolute Delay  
nsec  
usec  
-
30  
-
1.1  
Ultimate Rejection  
dB  
40  
-
45  
-
Temperature Coefficient of Frequency  
ppm/°C  
-82  
-
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.  
205402B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-04  
2/5  
DS4003-CS01  
SAW Bandpass Filter 205402B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L2  
L1 = 56 nH,  
L2 = 68 nH  
5. Marking Configuration  
ITF1) 04A0012)  
205402B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
205402B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-04  
3/5  
DS4003-CS01  
SAW Bandpass Filter 205402B  
6. Typical Performance ( at +25℃ )  
5 Jan 2004 15:30:26  
CH1  
S
log MAG  
10 dB/  
REF -13.75 dB  
1_: 0  
dB  
21  
205402B  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 30.409 109 MHz  
cent: 82.950463 MHz  
1
Q: 2.7278  
1_ loss: -13.749 dB  
2
3
4
CENTER 82.500 000 MHz  
SPAN 60.000 000 MHz  
5 Jan 2004 15:35:42  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
50 ns/  
REF -13.62 dB  
REF 1.205 us  
1_: 0  
3_ -16.091 ns  
dB  
21  
21  
205402B  
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 26.906 752 MHz  
cent: 82.568574 MHz  
Q: 3.0687  
1_ loss: -13.619 dB  
1
2
25.000 000 MHz  
REF=2  
4
mean: 1.076 1 us  
s.dev: 4.0761 ns  
p-p: 26.256 ns  
PRm  
Cor  
3
3
1
2
Smo  
2
1
CENTER 82.500 000 MHz  
SPAN 29.000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
205402B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-04  
4/5  
DS4003-CS01  
SAW Bandpass Filter 205402B  
5 Jan 2004 15:36:04  
5 Jan 2004 15:33:27  
CH1  
CH2  
S
S
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -13.61 dB  
REF -13.74 dB  
1_: 0  
3_ .0514 dB  
dB  
CH1  
S
log MAG  
10 dB/  
REF -16.46 dB  
1_: 0  
dB  
21  
21  
21  
205402B  
0.000 000 MHz  
205402B  
0.000 000 MHz  
REF=1  
PRm  
Cor  
PRm  
REF=1  
2_:-50.388 dB  
82.5 MHz  
BW: 26.118 444 MHz  
cent: 82.495529 MHz  
Q: 3.1585  
1_ loss: -13.611 dB  
1
3_:-30.795 dB  
165 MHz  
1
2
3
3
4
25.000 000 MHz  
1
2
3
REF=2  
mean:-13.663 dB  
s.dev: .0874 dB  
p-p: .5117 dB  
PRm  
Cor  
2
1
2
CENTER 82.500 000 MHz  
SPAN 29.000 000 MHz  
START .010 000 MHz  
STOP 500.000 000 MHz  
5 Jan 2004 15:31:53  
1_: 2.7239  
5 Jan 2004 15:31:09  
CH1  
CH2  
S
S
SWR  
SWR  
5
5
/
/
REF 0  
REF 0  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_: 103.28  
2_ 33.564  
52.867  
-33.535  
101.99 nH  
57.526 pF  
11  
22  
11  
22  
2_ 2.5367  
205402B  
82.500 000 MHz  
205402B  
82.500 000 MHz  
PRm  
Cor  
PRm  
Cor  
1
1
82.500 000 MHz  
82.500 000 MHz  
2
1
2
PRm  
Cor  
PRm  
Cor  
2
CENTER 82.500 000 MHz  
SPAN 60.000 000 MHz  
CENTER 82.500 000 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.  
205402B  
2004-05-04  
Rev. Date  
Rev.  
5/5  
DS4003-CS01