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SAW Bandpass Filter 204091B  
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  
24.60±0.2  
7.62±0.1  
7
8
10  
8
6
9
7
6
9
10  
ITF04A001  
206141B  
5
4
3
2
1
1
2
3
4
5
1.02±0.1  
1.91±0.1  
Pad Configuration  
10  
5
Input  
Output  
Ground  
Package : S2490  
1, 6  
Other  
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.  
204091B  
2004-03-18  
Rev. Date  
Rev.  
1/5  
NW4001-CS01  
SAW Bandpass Filter 204091B  
3. Specifications  
Fo = 70 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
22.5  
1.4  
Maximum  
Center Frequency  
MHz  
dB  
69.96  
70.04  
Insertion Loss  
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
1.3  
-
3dB Bandwidth  
1.56  
1.63  
2.50  
0.64  
110  
-
2.58  
1.0  
200  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 0.65 MHz)  
Group Delay Variation (Fo +/- 0.65 MHz)  
Absolute Delay  
nsec  
usec  
-
-
2.91  
50  
Ultimate Rejection  
dB  
45  
-
-
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.  
204091B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-03-18  
2/5  
NW4001-CS01  
SAW Bandpass Filter 204091B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
L1 = 220 nH,  
L2 = 330 nH  
5. Marking Configuration  
ITF1) 04A0012)  
204091B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
204091B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-03-18  
3/5  
NW4001-CS01  
SAW Bandpass Filter 204091B  
6. Typical Performance ( at +25℃ )  
10 Feb 2004 16:27:35  
CH1  
S
log MAG  
10 dB/  
REF -22.75 dB  
1_: 0  
dB  
21  
204091B  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 2.483 133 MHz  
cent: 70.006790 MHz  
1
2
Q: 28.193  
1_ loss: -22.751 dB  
3
4
CENTER 70.000 000 MHz  
SPAN 6.000 000 MHz  
10 Feb 2004 16:52:12  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
300 ns/  
REF -22.77 dB  
REF 3.45 us  
1_: 0  
3_ -6.8667 ns  
dB  
21  
21  
204091B  
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 1.647 282 MHz  
cent: 70.006057 MHz  
Q: 42.498  
1_ loss: -22.781 dB  
1
2
1.300 000 MHz  
REF=2  
4
mean: 2.919 1 us  
3
PRm  
Cor  
2
3
s.dev: 27.637 ns  
p-p: 113.2 ns  
1
2
Smo  
1
CENTER 70.000 000 MHz  
SPAN 2.000 000 MHz  
I T F Co., Ltd.  
Part No.  
204091B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
2004-03-18  
4/5  
Rev.  
NW4001-CS01  
SAW Bandpass Filter 204091B  
10 Feb 2004 16:32:33  
10 Feb 2004 16:50:23  
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -22.79 dB  
REF -23.01 dB  
1_: 0  
3_ .1787 dB  
dB  
CH1  
S
log MAG  
10 dB/  
REF -24.27 dB  
1_: 0  
dB  
21  
21  
21  
CH2  
S
204091B  
0.000 000 MHz  
204091B  
0.000 000 MHz  
REF=1  
PRm  
Cor  
PRm  
REF=1  
2_:-30.796 dB  
43.6 MHz  
BW: 1.435 576 MHz  
cent: 70.011874 MHz  
Q: 48.769  
1_ loss: -22.785 dB  
1
3_:-35.508 dB  
58.4 MHz  
1
2
3
3
4
1.300 000 MHz  
1
2
2
REF=2  
3
mean:-22.725 dB  
s.dev: .0891 dB  
p-p: .5902 dB  
PRm  
Cor  
1
2
CENTER 70.000 000 MHz  
SPAN 2.000 000 MHz  
START .010 000 MHz  
STOP 149.600 000 MHz  
CH1  
S
10 Feb 2004 16:48:43  
10 Feb 2004 16:29:12  
1_: 5.7163  
2_ 9.7368  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_: 0  
2_ 7.5566  
0
0
H
11  
22  
CH1  
CH2  
S
S
SWR  
SWR  
5
5
/
/
REF 0  
REF 0  
11  
22  
34.078  
77.481 nH  
204091B  
0.000 000 MHz  
204091B  
70.000 000 MHz  
PRm  
Cor  
2
PRm  
Cor  
REF=1  
1
2
1
2
70.000 000 MHz  
70.000 000 MHz  
1
PRm  
Cor  
PRm  
Cor  
CENTER 70.000 000 MHz  
SPAN 6.000 000 MHz  
CENTER 70.000 000 MHz  
SPAN 6.000 000 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.  
204091B  
2004-03-18  
5/5  
NW4001-CS01