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SAW Bandpass Filter 202154B  
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 : D2012  
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.  
202154B  
Rev. Date  
2004-06-22  
1/5  
Rev.  
NI2039-CS02  
SAW Bandpass Filter 202154B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
21.0  
6.7  
Maximum  
Center Frequency  
MHz  
dB  
69.94  
70.06  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
6.8  
-
7.0  
40dB Bandwidth  
8.5  
8.6  
1.0  
150  
-
Amplitude Ripple (Fo +/- 3.125 MHz)  
-
0.6  
Group Delay Variation (Fo +/- 3.125 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
2.73  
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.  
202154B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
2/5  
NI2039-CS02  
SAW Bandpass Filter 202154B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L1 = 82 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202154B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202154B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-22  
3/5  
NI2039-CS02  
SAW Bandpass Filter 202154B  
6. Typical Performance ( at +25℃ )  
21 Jun 2004 16:56:54  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -20.25 dB  
CH1 Markers  
BW: 8. 458034 MHz  
REF=1  
1
2
Cor  
cent  
:
70. 006093 MHz  
Q: 8. 2769  
1_loss : -20 . 197 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 22. 000 000 MHz  
21 Jun 2004 17:05:40  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -20.28 dB  
200 ns/ REF 2.704 us  
1: 0. 0000 dB  
3:-16 . 022 ns  
0. 000 000 MHz  
6. 250 000 MHz  
CH1 Markers  
BW: 7. 061657 MHz  
REF=1  
Cor  
cent  
:
69. 999108 MHz  
Q: 9. 9126  
1
2
1_loss : -20 . 268 dB  
3
Smo  
Cor  
2
CH2 Markers  
mean: 2. 7330 us  
s. dev : 17. 214 ns  
p-p : 79. 060 ns  
3
4
REF=2  
CENTER 70. 000 000 MHz  
SPAN 8. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202154B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-22  
4/5  
NI2039-CS02  
SAW Bandpass Filter 202154B  
21 Jun 2004 17:05:28  
21 Jun 2004 17:00:51  
1:-20 . 082 dB 70. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -20.28 dB  
1 dB/ REF -20.28 dB  
1: 0. 0000 dB  
3:- . 02810 dB  
0. 000 000 MHz  
6. 250 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -20.01 dB  
CH1 Markers  
BW: 6. 747607 MHz  
REF=1  
Cor  
cent  
:
69. 987482 MHz  
Q: 10. 372  
1
1
2
1_loss  
: -20 . 312 dB  
3
4
3
CH2 Markers  
2
REF=2  
Cor  
mean:-20 . 419 dB  
s. dev : . 10350 dB  
p-p : . 49320 dB  
CENTER 70. 000 000 MHz  
SPAN 8. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
21 Jun 2004 17:00:16  
21 Jun 2004 17:00:09  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 23. 188  
2: 17. 936  
71. 063  
-60 . 070  
161 . 57 nH  
37. 850 pF  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 6.84  
REF 7.049  
1: 6. 8303  
2: 7. 0354  
70. 000 000 MHz  
70. 000 000 MHz  
1
Cor  
Cor  
1
Cor  
Cor  
2
2
CENTER 70. 000 000 MHz  
SPAN 22. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 22. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202154B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
5/5  
NI2039-CS02