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50.0 MHz SAW Filter  
Part Number 210501B  
1. Features  
ꢀ
ꢀ
ꢀ
ꢀ
Typical 1dB bandwidth of 4.7 MHz  
High attenuation  
Single Ended Operation  
Dual In-line Package (DIP)  
2. Electrical Specifications  
Source and Load Impedance = 50Ω  
Room Temperature : +25℃  
Minimum  
Typical  
50.0  
26.5  
4.75  
5.03  
6.09  
0.35  
60  
Maximum  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
-
-
-
28.0  
-
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
4.6  
-
3dB Bandwidth  
-
40dB Bandwidth  
-
6.25  
1.0  
200  
4.0  
-
Amplitude Ripple (fo ± 2.2 MHz)  
Group Delay Variation (fo ± 2.2 MHz)  
Absolute Delay  
-
nsec  
usec  
dB  
-
-
3.95  
52  
Ultimate Rejection  
50  
-
Temperature Coefficient of Frequency  
ppm/℃  
-18  
-
D3512 Package Dimension  
Matching Schematic  
12.8±0.5  
5.5max 6.0max  
7.6±0.2  
L2  
L3  
1
5
Input  
50  
Output  
Ω
50Ω  
L1  
L4  
L1 = L4 = 150nH, L2 = L3 = 120nH  
Pin Configuration  
Dimensions shown are nominal in millimeters  
Input  
Output  
1
5
Ground  
Others  
2,4  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
Ground  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364, Samjeong-Dong,  
Ojeong-Gu, Bucheon-City,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2013. 03. 25  
Rev 1.0  
Gyounggi-Do, Korea 421-809  
50.0 MHz SAW Filter  
Part Number 210501B  
3. Typical Performance ( at +25℃ )  
1dB Bandwidth & Ripple  
3dB Bandwidth & Group Delay  
21 Dec 2010 15:30:07  
21 Dec 2010 15:30:36  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -26.3 dB  
1 dB/ REF -26.57 dB  
1: 0. 0000 dB  
3:-. 05950 dB  
0. 000 000 MHz  
4. 400 000 MHz  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -26.3 dB  
50 ns/ REF 3.92 us  
1: 0. 0000 dB  
3:-18 . 310 ns  
0. 000 000 MHz  
4. 400 000 MHz  
CH1Markers  
CH1Markers  
REF=1  
REF=1  
BW: 4. 757215 MHz  
BW: 5. 032690 MHz  
cent  
:
49.981100 MHz  
Q: 10. 506  
cent  
:
49.975707 MHz  
Q: 9. 9302  
Cor  
Cor  
1_loss  
:
-26 . 322 dB  
1_loss : -26 . 341 dB  
1
1
2
2
3
4
3
3
2
Smo  
CH2Markers  
REF=2  
mean:-26 .452 dB  
s. dev: . 09430 dB  
p-p : . 34940 dB  
CH2Markers  
REF=2  
mean: 3. 9543 us  
s. dev: 10. 996 ns  
p-p : 60. 341 ns  
2
3
4
Cor  
Cor  
CENTER 50. 000 000 MHz  
SPAN 5. 500 000 MHz  
CENTER 50. 000 000 MHz  
SPAN 5. 500 000 MHz  
40dB Bandwidth  
50dB Bandwidth  
21 Dec 2010 15:27:35  
1: 0. 0000 dB 0. 000 000 MHz  
21 Dec 2010 15:27:47  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
*
LOG  
10 dB/ REF -26.28 dB  
CH1 S21  
LOG  
10 dB/ REF -26.28 dB  
*
CH1Markers  
CH1Markers  
REF=1  
BW: 6.185387 MHz  
REF=1  
BW: 6. 098637 MHz  
1
2
1
2
Cor  
Cor  
cent  
:
49.976321 MHz  
Q: 8. 1947  
cent  
:
49.975863 MHz  
Q: 8. 0797  
1_loss  
:
-26 . 282 dB  
1_loss : -26 .282 dB  
3
4
3
4
CENTER 50. 000 000 MHz  
SPAN 22.000 000 MHz  
CENTER 50.000 000 MHz  
SPAN 22. 000 000 MHz  
Wide band Properties  
SWR(S11 & S22)  
21 Dec 2010 15:34:37  
21 Dec 2010 15:31:45  
CH1 S21  
LOG  
10 dB/ REF -27.37 dB  
1: 0. 0000 dB  
0. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 2.409  
REF 2.636  
1: 2. 3840  
2: 2. 6238  
50. 000 000 MHz  
50. 000 000 MHz  
CH1Markers  
REF=1  
2:-60 . 701 dB  
50.0000 MHz  
Cor  
3:-50 . 408 dB  
100. 000 MHz  
1
1
Cor  
2
3
2
START . 010 000 MHz  
STOP1 000. 000 000 MHz  
CENTER 50. 000 000 MHz  
SPAN 22.000 000 MHz  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364, Samjeong-Dong,  
Ojeong-Gu, Bucheon-City,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2013. 03. 25  
Rev 1.0  
Gyounggi-Do, Korea 421-809