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SAW Bandpass Filter 203658B  
1. Features  
IF Bandpass Filter  
High Attenuation  
Single-Ended Operation  
DIP Package  
Maximum Storage Temperature Range : -40~ 85℃  
Electrostatics Sensitive Device (ESD)  
2. Package Dimension  
12.8±0.5  
5.5max 6.0max  
7.6±0.2  
Package : D3512  
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.  
Part No.  
203658B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2008-01-07  
NM3018-CS02  
1/5  
SAW Bandpass Filter 203658B  
3. Specifications  
Fo = 160.0 MHz  
Terminating source impedance : 50and matching network  
Terminating load impedance  
: 50and matching network  
Minimum  
-
Typical  
160.0  
Maximum  
-
Center Frequency  
Insertion Loss  
MHz  
dB  
-
26.0  
19.89  
20.25  
21.79  
28.0  
1dB Bandwidth  
3dB Bandwidth  
40dB Bandwidth  
MHz  
MHz  
MHz  
19.5  
-
-
-
-
22.0  
Amplitude Ripple (fo±9.75 MHz)  
dB  
-
0.6  
1.0  
Group Delay Variation (fo±9.75 MHz)  
Absolute Delay  
nsec  
usec  
-
-
23  
150  
-
2.77  
Ultimate Rejection  
Relative Attenuation  
dB  
48  
52  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-
-18  
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.  
203658B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2008-01-07  
NM3018-CS02  
2/5  
SAW Bandpass Filter 203658B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L4  
Input  
Output  
50  
50  
Ω
Ω
L2  
L3  
L1 = 56nH, L2 = 68nH  
L3 = 56nH, L4 = 56nH  
5. Marking Configuration  
ITF1) 08A0012)  
203658B3)  
1604) -19.8M5)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Center Frequecy  
5) 1dB-Bandwidth  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203658B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2008-01-07  
NM3018-CS02  
3/5  
SAW Bandpass Filter 203658B  
6. Typical Performance ( at +25°C )  
7 Jan 2008 16:59:37  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -26.06 dB  
*
CH1Markers  
REF=1  
1
2
BW: 21. 795536 MHz  
Cor  
cent : 159. 984751 MHz  
Q: 7. 3403  
1_loss : -26 . 166 dB  
Hld  
3
4
CENTER160. 000 000 MHz  
SPAN 55. 000 000 MHz  
7 Jan 2008 17:01:12  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -25.73 dB  
100 ns/ REF 2.77 us  
1: 0. 0000 dB  
3:-10 . 300 ns  
0. 000 000 MHz  
19. 500 000 MHz  
CH1Markers  
REF=1  
BW: 20. 263420 MHz  
cent : 160. 003405 MHz  
Q: 7. 8962  
Cor  
1_loss : -26 . 030 dB  
1
2
3
Smo  
Cor  
2
3
4
CH2Markers  
mean: 2. 7780 us  
s. dev: 4. 6659 ns  
p-p : 23. 270 ns  
REF=2  
CENTER160. 000 000 MHz  
SPAN 24. 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.  
203658B  
Rev. Date  
Rev.  
2008-01-07  
NM3018-CS02  
4/5  
SAW Bandpass Filter 203658B  
7 Jan 2008 17:00:37  
7 Jan 2008 16:59:45  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -25.73 dB  
1 dB/ REF -26.31 dB  
1: 0. 0000 dB  
3: . 21230 dB  
0. 000 000 MHz  
19. 500 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -26.06 dB  
*
CH1 Markers  
BW: 19. 897949 MHz  
CH1 Markers  
BW: 21. 902722 MHz  
REF=1  
REF=1  
1
2
Cor  
Cor  
cent  
:
160 . 013134 MHz  
Q: 8. 0417  
cent  
:
159. 973312 MHz  
Q: 7. 3038  
1_loss  
: -26 . 045 dB  
1
2
1_loss  
: -26 . 166 dB  
Hld  
3
4
3
2
Cor  
3
4
CH2 Markers  
REF=2  
mean:-26 . 048 dB  
s. dev : . 11010 dB  
p-p : . 60520 dB  
CENTER 160. 000 000 MHz  
SPAN 24. 000 000 MHz  
CENTER 160. 000 000 MHz  
SPAN 55. 000 000 MHz  
7 Jan 2008 17:03:16  
1: 0. 0000 dB 0. 000 000 MHz  
7 Jan 2008 17:02:25  
CH1 S21  
LOG  
10 dB/ REF -26.04 dB  
CH1 S11  
CH2 S22  
SWR  
SWR  
2
2
/
/
REF 2.228  
REF 2.349  
1: 2. 2299  
2: 2. 3481  
160 . 000 000 MHz  
160 . 000 000 MHz  
CH1 Markers  
REF=1  
2:-68 . 585 dB  
160. 000 MHz  
Cor  
3:-60 . 925 dB  
320. 000 MHz  
1
1
Cor  
2
3
STOP 500. 000 000 MHz  
START . 010 000 MHz  
2
CENTER 160. 000 000 MHz  
SPAN 55. 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.  
203658B  
2008-01-07  
NM3018-CS02  
5/5