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SAW Bandpass Filter 202155B  
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 : D2512  
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.  
Rev. Date  
Rev.  
202155B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-21  
1/5  
NI1013- CS03  
SAW Bandpass Filter 202155B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
23.0  
6.5  
Maximum  
Center Frequency  
MHz  
dB  
69.93  
70.07  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
6.7  
-
6.84  
8.1  
-
8.25  
1.0  
150  
-
40dB Bandwidth  
Amplitude Ripple (Fo +/- 3.0 MHz)  
-
0.7  
Group Delay Variation (Fo +/- 3.0 MHz)  
Absolute Delay  
nsec  
usec  
-
90  
-
9.09  
55  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-94  
-
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.  
202155B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-21  
2/5  
NI1013- CS03  
SAW Bandpass Filter 202155B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L1 = 56 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202155B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202155B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-21  
3/5  
NI1013- CS03  
SAW Bandpass Filter 202155B  
6. Typical Performance ( at +25℃ )  
20 Apr 2004 19:38:14  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.99 dB  
CH1 Markers  
BW: 8. 085173 MHz  
REF=1  
1
2
Cor  
cent  
:
69. 994035 MHz  
Q: 8. 6571  
1_loss : -23 . 046 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 21. 000 000 MHz  
20 Apr 2004 19:39:30  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.98 dB  
200 ns/ REF 3.056 us  
1: 0. 0000 dB  
3:-7 . 1527 ns  
0. 000 000 MHz  
6. 000 000 MHz  
CH1 Markers  
BW: 6. 843558 MHz  
REF=1  
Cor  
cent  
:
70. 009985 MHz  
Q: 10. 230  
1
2
1_loss : -23 . 057 dB  
3
Smo  
Cor  
2
CH2 Markers  
mean: 3. 0882 us  
s. dev : 18. 300 ns  
p-p : 83. 161 ns  
3
4
REF=2  
CENTER 70. 000 000 MHz  
SPAN 8. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202155B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-21  
4/5  
NI1013- CS03  
SAW Bandpass Filter 202155B  
20 Apr 2004 19:41:28  
1:-22 . 749 dB 70. 000 000 MHz  
20 Apr 2004 19:39:15  
CH1 S21  
LOG  
10 dB/ REF -22.74 dB  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.98 dB  
1 dB/ REF -23.04 dB  
1: 0. 0000 dB  
3: . 08840 dB  
0. 000 000 MHz  
6. 000 000 MHz  
CH1 Markers  
BW: 6. 514073 MHz  
REF=1  
Cor  
cent  
:
70. 007790 MHz  
Q: 10. 747  
1
1
2
1_loss  
: -23 . 059 dB  
3
4
3
CH2 Markers  
REF=2  
Cor  
2
mean:-23 . 208 dB  
s. dev : . 10700 dB  
p-p : . 48720 dB  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 8. 000 000 MHz  
20 Apr 2004 19:40:35  
20 Apr 2004 19:40:53  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 7.144  
REF 8.933  
1: 7. 1506  
2: 8. 9575  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 17. 010  
2: 9. 3789  
-58 . 402  
40. 631  
38. 931 pF  
92. 380 nH  
70. 000 000 MHz  
70. 000 000 MHz  
2
Cor  
Cor  
1
Cor  
2
Cor  
1
CENTER 70. 000 000 MHz  
SPAN 21. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 21. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202155B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-21  
5/5  
NI1013- CS03