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SAW Bandpass Filter 202157B  
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
5
Input  
Output  
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  
Others  
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.  
202157B  
Rev. Date  
2004-05-24  
1/5  
Rev.  
NM3023-CS01  
SAW Bandpass Filter 202157B  
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  
7.1  
Maximum  
Center Frequency  
MHz  
dB  
69.94  
70.06  
Insertion Loss  
-
-
23.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
7.1  
-
7.4  
40dB Bandwidth  
8.8  
9.0  
1.0  
100  
-
Amplitude Ripple (Fo +/- 3.3 MHz)  
Group Delay Variation (Fo +/- 3.3 MHz)  
Absolute Delay  
-
0.5  
nsec  
usec  
dB  
-
50  
-
2.73  
53  
Ultimate Rejection  
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.  
202157B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-24  
2/5  
NM3023-CS01  
SAW Bandpass Filter 202157B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = L2 = 82 nH  
C1 = C2 = 30 pF  
5. Marking Configuration  
ITF1) 04A0012)  
202157B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202157B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-24  
3/5  
NM3023-CS01  
SAW Bandpass Filter 202157B  
6. Typical Performance ( at +25℃ )  
4 Sep 2003 08:13:37  
CH1  
S
log MAG  
10 dB/  
REF -21.41 dB  
1_: 0  
dB  
21  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 8.757 227 MHz  
cent: 69.990635 MHz  
1
2
Q: 7.9923  
1_ loss: -21.722 dB  
3
4
CH1 CENTER 70.000 000 MHz  
SPAN 23.000 000 MHz  
4 Sep 2003 08:16:19  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
100 ns/  
REF -21.41 dB  
REF 2.693 us  
1_  
0
dB  
21  
21  
3_:-10.031 ns  
2
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 7.459 409 MHz  
cent: 69.998520 MHz  
Q: 9.3839  
1_ loss: -21.727 dB  
1
2
3
6.600 000 MHz  
REF=2  
4
2
mean: 2.735 9 us  
s.dev: 11.816 ns  
p-p: 60.611 ns  
PRm  
Cor  
3
Smo  
1
CENTER 70.000 000 MHz  
SPAN 9.000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202157B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-24  
4/5  
NM3023-CS01  
SAW Bandpass Filter 202157B  
4 Sep 2003 08:15:05  
4 Sep 2003 14:08:59  
REF -21.66 dB 1_:-21.681 dB  
CH1  
CH2  
S
S
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -21.41 dB  
REF -21.41 dB  
1_: 0  
3_ -.1814 dB  
dB  
CH1  
S
log MAG  
10 dB/  
21  
21  
21  
70.000 000 MHz  
0.000 000 MHz  
PRm  
Cor  
PRm  
REF=1  
BW: 7.150 456 MHz  
cent: 69.993638 MHz  
Q: 9.7887  
1_ loss: -21.736 dB  
1
1
2
3
4
6.600 000 MHz  
3
REF=2  
mean:-21.601 dB  
s.dev: .0871 dB  
p-p: .4093 dB  
PRm  
Cor  
2
1
2
CENTER 70.000 000 MHz  
SPAN 9.000 000 MHz  
CH1 START .010 000 MHz  
STOP 300.000 000 MHz  
4 Sep 2003 08:20:16  
1_: 8.6646  
2_ 7.7483  
4 Sep 2003 08:18:38  
CH1  
CH2  
S
S
SWR  
SWR  
10  
10  
/
/
REF -51.5  
REF -22.07  
11  
22  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_: 7.7832  
2_ 8.2383  
-29.117  
-26.096  
78.086 pF  
87.127 pF  
11  
22  
70.000 000 MHz  
70.000 000 MHz  
PRm  
Cor  
PRm  
Cor  
1
1
70.000 000 MHz  
70.000 000 MHz  
2
PRm  
Cor  
2
PRm  
Cor  
2
1
CENTER 70.000 000 MHz  
SPAN 23.000 000 MHz  
CENTER 70.000 000 MHz  
SPAN 23.000 000 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.  
202157B  
2004-05-24  
5/5  
NM3023-CS01