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SAW Bandpass Filter 203608B  
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.  
203608B  
Rev. Date  
2005-05-10  
1/5  
Rev.  
DS4018-CS02  
SAW Bandpass Filter 203608B  
3. Specifications  
Fo = 114.99 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Operating temperature range : -10℃~ +60℃  
Center Frequency  
Minimum  
Typical  
114.99  
21.5  
1.6  
Maximum  
MHz  
dB  
-
-
-
25.0  
-
Insertion Loss  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
1.8  
-
1.88  
3.03  
0.5  
-
40dB Bandwidth  
3.3  
1.0  
-
Amplitude Ripple (Fo +/- 0.6 MHz)  
Group Delay Variation (Fo +/- 0.6 MHz)  
Absolute Delay  
-
nsec  
usec  
dB  
-
110  
-
2.3  
-
Ultimate Rejection  
50  
-
55  
Temperature Coefficient of Frequency  
ppm/°C2  
-0.03  
-
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  
3) Electrical margin has been built into the design to account for the variations due to temperature drift and  
manufacturing tolerances  
4) All attenuation measurements are measured relative to insertion loss  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203608B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2005-05-10  
2/5  
DS4018-CS02  
SAW Bandpass Filter 203608B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
L1 = L2 = 100 nH  
C1 = 68 pF  
5. Marking Configuration  
ITF1) 04A0012)  
203608B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203608B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2005-05-10  
3/5  
DS4018-CS02  
SAW Bandpass Filter 203608B  
6. Typical Performance ( at +25℃ )  
10 May 2005 15:24:14  
CH1  
S21  
LOG  
10 dB/  
REF -21.5 dB  
1 : 0 . 0000  
dB  
0 . 000  
000  
MHz  
CH1 Markers  
PRm  
REF=1  
BW :  
:
3 . 027537  
MHz  
MHz  
1
cent  
114  
.
970219  
Q: 37  
.
975  
2
1_ loss  
:
-21  
.
632  
dB  
Cor  
3
4
CENTER  
114  
.
990  
000  
MHz  
SPAN  
8 . 000  
000  
MHz  
10 May 2005 15:24:22  
1 : 0 . 0000 dB  
3 : -15 386 ns  
CH2  
CH4  
S21  
S21  
LOG  
DEL  
1 dB/  
300 ns/  
REF -21.5 dB  
REF 2.55 us  
0 . 000  
1 . 200  
000  
000  
MHz  
MHz  
.
CH2 Markers  
REF=1  
BW :  
:
1 . 879374  
MHz  
MHz  
cent  
114  
.
962760  
Q: 61  
.
171  
1_ loss  
:
-21  
.
711  
dB  
1
2
4
3
PRm  
2
CH4 Markers  
REF=2  
mean  
:
:
:
2 . 2984  
us  
ns  
3
4
s . dev  
p-p  
25 . 598  
Smo  
Cor  
107  
. 83 ns  
2
CENTER  
114  
.
990  
000  
MHz  
SPAN  
3 . 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.  
203608B  
2005-05-10  
Rev. Date  
Rev.  
4/5  
DS4018-CS02  
SAW Bandpass Filter 203608B  
10 May 2005 15:24:46  
10 May 2005 15:30:38  
1 : 0. 0000 dB 0. 000 000 MHz  
CH2  
CH4  
S21  
S21  
LOG  
LOG  
1 dB/  
1 dB/  
REF -21.5 dB  
REF -21.5 dB  
1 : 0. 0000  
3 : - 22250  
dB  
dB  
0. 000 000 MHz  
1. 200 000 MHz  
CH1  
S21  
LOG  
10 dB/  
REF -21.5 dB  
.
CH2 Markers  
REF=1  
CH1 Markers  
REF=1  
PRm  
BW:  
:
1. 591723  
MHz  
MHz  
2 : -38  
73  
.
831 dB  
MHz  
.
0000  
cent  
114  
.
954391  
Q: 72  
-21 716 dB  
1
3 : -47  
95 . 0000  
.
955 dB  
MHz  
.
220  
1_ loss  
:
.
1
2
3
4
3
2
PRm  
CH4 Markers  
REF=2  
2
mean : -21  
.
759 dB  
s . dev  
p-p  
:
:
.
.
09310  
45460  
dB  
dB  
3
Cor  
42  
CENTER  
114  
.
990 000 MHz  
SPAN  
3. 000 000 MHz  
START  
.
010 000 MHz  
STOP  
300 . 000 000 MHz  
10 May 2005 15:29:50  
10 May 2005 15:29:40  
561 nH 114  
1. 1192 nH 114  
CH1  
CH3  
S11  
S22  
SWR  
SWR  
2
2
/
/
REF 0  
REF 0  
1 : 5. 7686  
2 : 5. 9812  
114  
114  
.
.
990 000 MHz  
990 000 MHz  
CH1  
CH3  
S11  
S22  
1 U FS  
1 U FS  
1 : 8. 9927  
2 : 8. 3696  
9. 7979  
808 59  
13  
.
.
.
990 000 MHz  
990 000 MHz  
.
m
PRm  
PRm  
Cor  
Cor  
1
1
2
2
CENTER  
114  
.
990 000 MHz  
SPAN  
8. 000 000 MHz  
CENTER  
114  
.
990 000 MHz  
SPAN  
8. 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.  
203608B  
2005-05-10  
Rev. Date  
Rev.  
5/5  
DS4018-CS02