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SAW Bandpass Filter 203635B  
1. Features  
z
z
z
z
z
z
IF Bandpass Filter  
High Attenuation  
Single-Ended Operation  
DIP Package  
Maximum Storage Temperature Range : -40℃ ~ 85℃  
Electrostatics Sensitive Device (ESD)  
2. Package Dimension  
12.7±0.5  
5.5max 6.0max  
7.6±0.2  
Package : D2712  
Pin Configuration  
1
Input  
Output  
5
Dimensions shown are nominal in millimeters  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
2, 4  
3, 6  
Ground  
Case ground  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
203635B  
Rev. Date  
2004-11-22  
1/5  
Rev.  
NM4025-CS01  
SAW Bandpass Filter 203635B  
3. Specifications  
Fo = 140.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
140.0  
23.5  
6.15  
6.5  
Maximum  
Center Frequency  
MHz  
dB  
139.85  
140.15  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
6.4  
-
40dB Bandwidth  
8.15  
0.7  
8.4  
1.0  
200  
-
Amplitude Ripple (Fo +/- 2.7 MHz)  
-
Group Delay Variation (Fo +/- 2.7 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
2.85  
55  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-23  
-
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.  
203635B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-11-22  
2/5  
NM4025-CS01  
SAW Bandpass Filter 203635B  
4. Matching Schematic  
Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L1 = 27 nH  
5. Marking Configuration  
ITF1) 04A0012)  
203635B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203635B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-11-22  
3/5  
NM4025-CS01  
SAW Bandpass Filter 203635B  
6. Typical Performance ( at +25℃ )  
18 Nov 2004 16:58:53  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -23.06 dB  
CH1 Markers  
BW: 8. 125599 MHz  
REF=1  
1
2
Cor  
cent  
:
139 . 991629 MHz  
Q: 17. 228  
1_loss : -23 . 200 dB  
3
4
CENTER 140 . 000 000 MHz  
SPAN 21. 000 000 MHz  
18 Nov 2004 16:59:43  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.99 dB  
200 ns/ REF 2.839 us  
1: 0. 0000 dB  
3: 5. 6207 ns  
0. 000 000 MHz  
5. 400 000 MHz  
CH1 Markers  
BW: 6. 548292 MHz  
REF=1  
Cor  
cent  
:
140 . 005206 MHz  
Q: 21. 380  
1_loss : -23 . 210 dB  
1
2
3
Smo  
2
3
4
Cor  
CH2 Markers  
mean: 2. 8549 us  
s. dev : 15. 085 ns  
p-p : 66. 049 ns  
REF=2  
CENTER 140 . 000 000 MHz  
SPAN 7. 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.  
203635B  
2004-11-22  
4/5  
NM4025-CS01  
SAW Bandpass Filter 203635B  
18 Nov 2004 16:59:32  
18 Nov 2004 17:02:08  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.99 dB  
1 dB/ REF -23.39 dB  
1: 0. 0000 dB  
3:- . 03210 dB  
0. 000 000 MHz  
5. 400 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.88 dB  
CH1 Markers  
BW: 6. 181081 MHz  
CH1 Markers  
REF=1  
REF=1  
2:-57 . 040 dB  
140 . 000 MHz  
Cor  
cent  
:
140 . 004891 MHz  
Q: 22. 651  
3:-40 . 403 dB  
280 . 000 MHz  
1
1_loss  
: -23 . 203 dB  
1
2
3
4
3
2
Cor  
CH2 Markers  
3
REF=2  
mean:-23 . 159 dB  
s. dev : . 12070 dB  
p-p : . 51860 dB  
2
CENTER 140 . 000 000 MHz  
SPAN 7. 000 000 MHz  
START . 010 000 MHz  
STOP 450 . 000 000 MHz  
18 Nov 2004 17:01:06  
18 Nov 2004 17:01:13  
CH1 S11  
CH2 S22  
SWR  
SWR  
2
2
/
/
REF 8.924  
REF 1.457  
1: 8. 9072  
2: 1. 4570  
140 . 000 000 MHz  
140 . 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 6. 1362  
2: 67. 668  
-15 . 298  
13. 262  
74. 310 pF  
15. 076 nH  
140 . 000 000 MHz  
140 . 000 000 MHz  
Cor  
Cor  
1
2
Cor  
2
Cor  
1
CENTER 140 . 000 000 MHz  
SPAN 21. 000 000 MHz  
CENTER 140 . 000 000 MHz  
SPAN 21. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203635B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-11-22  
5/5  
NM4025-CS01