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SAW Bandpass Filter 201121B  
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  
12.8±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.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
201121B  
Rev. Date  
2004-04-22  
1/5  
Rev.  
NI0022-CS03  
SAW Bandpass Filter 201121B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
23.5  
4.8  
Maximum  
Center Frequency  
MHz  
dB  
69.95  
70.05  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
5.0  
-
5.1  
40dB Bandwidth  
6.18  
0.8  
6.3  
1.0  
150  
-
Amplitude Ripple (Fo +/- 2.2 MHz)  
-
Group Delay Variation (Fo +/- 2.2 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
4.67  
55  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-23  
-
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.  
201121B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-22  
2/5  
NI0022-CS03  
SAW Bandpass Filter 201121B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L2  
L3  
Input  
50Ω  
Output  
50Ω  
L1  
L4  
L2 = L3 = 27 nH  
L1 = L4 = 120 nH  
5. Marking Configuration  
ITF1) 04A0012)  
201121B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
201121B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-22  
3/5  
NI0022-CS03  
SAW Bandpass Filter 201121B  
6. Typical Performance ( at +25℃ )  
2 Feb 2004 18:37:40  
1_: 0  
CH1  
S
log MAG  
10 dB/  
REF -23.7 dB  
dB  
21  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 6.160 416 MHz  
1
cent: 69.995094 MHz  
Q: 11.362  
2
1_ loss: -23.766 dB  
3
4
CH1 CENTER 70.000 000 MHz  
SPAN 16.000 000 MHz  
2 Feb 2004 18:38:38  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
100 ns/  
REF -23.77 dB  
REF 4.646 us  
1_  
0
dB  
21  
21  
3_:-9.0713 ns  
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 5.106 009 MHz  
cent: 70.016574 MHz  
Q: 13.713  
1_ loss: -23.768 dB  
1
2
4.400 000 MHz  
3
REF=2  
4
2
mean: 4.667 9 us  
s.dev: 9.8072 ns  
p-p: 48.32 ns  
PRm  
Cor  
3
2
Smo  
1
CENTER 70.000 000 MHz  
SPAN 6.000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
201121B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-22  
4/5  
NI0022-CS03  
SAW Bandpass Filter 201121B  
2 Feb 2004 18:38:19  
2 Feb 2004 18:40:27  
REF -24.68 dB 1_:-24.685 dB  
CH1  
CH2  
S
S
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -23.77 dB  
REF -23.69 dB  
1_  
0
dB  
CH1  
S
log MAG  
10 dB/  
21  
21  
21  
3_: .3710 dB  
70.000 000 MHz  
0.000 000 MHz  
PRm  
Cor  
PRm  
REF=1  
BW: 4.823 000 MHz  
cent: 70.031047 MHz  
Q: 14.52  
1_ loss: -23.766 dB  
1
1
2
3
4
4.400 000 MHz  
3
REF=2  
mean:-23.879 dB  
s.dev: .2019 dB  
p-p: .7865 dB  
PRm  
Cor  
2
1
2
CENTER 70.000 000 MHz  
SPAN 6.000 000 MHz  
START .010 000 MHz  
STOP 300.000 000 MHz  
2 Feb 2004 18:39:48  
1_: 5.1948  
2_ 3.3862  
2 Feb 2004 18:39:58  
CH1  
CH2  
S
S
SWR  
SWR  
1
1
/
/
REF 5.192  
REF 3.39  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_ 165.84  
2_: 43.189  
120.85  
274.77 nH  
37.96 pF  
11  
22  
11  
22  
-59.896  
1
70.000 000 MHz  
70.000 000 MHz  
PRm  
Cor  
PRm  
Cor  
1
1
2
70.000 000 MHz  
70.000 000 MHz  
PRm  
Cor  
2
PRm  
Cor  
2
CENTER 70.000 000 MHz  
SPAN 16.000 000 MHz  
CENTER 70.000 000 MHz  
SPAN 16.000 000 MHz  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
201121B  
2004-04-22  
Rev. Date  
Rev.  
5/5  
NI0022-CS03