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SAW Bandpass Filter 205712B  
1. Features  
z
z
z
z
z
z
IF Bandpass Filter  
High-Attenuation  
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  
7
8
9
10  
6
5
11  
ITF05A001  
205712B  
1.50±0.1  
12  
4
3
2
1
2.54±0.1  
0.80±0.1  
Pad Configuration  
11  
5
Input  
Output  
Ground  
Package : S1365  
6, 12  
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.  
205712B  
Rev. Date  
Rev.  
2005-09-14  
1/5  
NW5010-CS01  
SAW Bandpass Filter 205712B  
3. Specifications  
Fo = 175.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
175.0  
12.2  
0.5  
Maximum  
Center Frequency  
MHz  
dB  
174.95  
175.05  
Insertion Loss  
-
-
13.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
0.8  
-
0.95  
2.75  
0.5  
40dB Bandwidth  
2.8  
1.0  
150  
-
Amplitude Ripple (Fc +/- 0.2 MHz)  
-
Group Delay Variation (Fc +/- 0.2 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
1.7  
Ultimate Rejection  
dB  
50  
-
55  
-
Temperature Coefficient of Frequency  
ppm/°C  
-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.  
205712B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2005-09-14  
2/5  
NW5010-CS01  
SAW Bandpass Filter 205712B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = L2 = 56 nH  
C1 = C2 = 43 pF  
5. Marking Configuration  
ITF1) 05A0012)  
205712B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
205712B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2005-09-14  
3/5  
NW5010-CS01  
SAW Bandpass Filter 205712B  
6. Typical Performance ( at +25℃ )  
14 Sep 2005 14:52:37  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -11.9 dB  
205712B  
1
2
CH1 Markers  
BW: 2. 789611 MHz  
REF=1  
Cor  
cent  
:
174 . 984456 MHz  
Q: 62. 727  
1_loss : -11 . 918 dB  
3
4
CENTER 175 . 000 000 MHz  
SPAN 7. 000 000 MHz  
14 Sep 2005 14:53:24  
CH2 S21  
CH4 S21  
LOG  
DEL  
1 dB/ REF -11.9 dB  
200 ns/ REF 1.84 us  
1: 0. 0000 dB  
3: 2. 0980 ns  
0. 000 000 MHz  
. 400 000 MHz  
CH2 Markers  
BW: . 948261 MHz  
REF=1  
cent  
:
174 . 986889 MHz  
Q: 184 . 53  
1
1_loss : -11 . 923 dB  
2
3
4
2
3
4
Cor  
Smo  
CH4 Markers  
mean: 1. 6677 us  
s. dev : 18. 061 ns  
p-p : 67. 902 ns  
REF=2  
Cor  
2
CENTER 175 . 000 000 MHz  
SPAN 2. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
205712B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2005-09-14  
4/5  
NW5010-CS01  
SAW Bandpass Filter 205712B  
14 Sep 2005 14:54:03  
14 Sep 2005 14:55:50  
1: 0. 0000 dB 0. 000 000 MHz  
CH2 S21  
CH4 S21  
LOG  
LOG  
1 dB/ REF -11.9 dB  
1 dB/ REF -11.9 dB  
1: 0. 0000 dB  
3:- . 05780 dB  
0. 000 000 MHz  
. 400 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -11.9 dB  
205712B  
1
CH2 Markers  
BW: . 558803 MHz  
CH1 Markers  
REF=1  
REF=1  
2:-58 . 158 dB  
108 . 900 MHz  
cent  
:
174 . 988342 MHz  
Q: 313 . 15  
3:-63 . 596 dB  
144 . 700 MHz  
1
1_loss  
: -11 . 895 dB  
2
3
4
3
2
Cor  
Cor  
2
CH4 Markers  
REF=2  
3
mean:-12 . 132 dB  
s. dev : . 18680 dB  
p-p : . 61330 dB  
24  
CENTER 175 . 000 000 MHz  
SPAN 2. 000 000 MHz  
START . 010 000 MHz  
STOP 400 . 000 000 MHz  
14 Sep 2005 14:55:15  
14 Sep 2005 14:54:41  
CH1 S11  
CH3 S22  
SWR  
SWR  
1
1
/
/
REF 0  
REF 0  
1: 1. 1931  
2: 1. 2106  
175 . 000 000 MHz  
175 . 000 000 MHz  
CH1 S11  
CH3 S22  
1 U FS  
1 U FS  
1: 42. 195  
2: 41. 969  
2. 2227  
3. 5391  
2. 0214 nH  
3. 2186 nH  
175 . 000 000 MHz  
175 . 000 000 MHz  
205712B  
205712B  
Cor  
Cor  
Cor  
Cor  
2
1
1
2
CENTER 175 . 000 000 MHz  
SPAN 7. 000 000 MHz  
CENTER 175 . 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.  
205712B  
2005-09-14  
5/5  
NW5010-CS01