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SAW Bandpass Filter 203405B  
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.  
203405B  
Rev. Date  
2004-04-26  
1/5  
Rev.  
NI0029-CS02  
SAW Bandpass Filter 203405B  
3. Specifications  
Fo = 80.495 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
80.495  
23.5  
9.55  
10.0  
11.1  
1.4  
Maximum  
Center Frequency  
MHz  
dB  
80.445  
80.545  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
9.7  
-
-
12.0  
1.9  
150  
-
40dB Bandwidth  
Amplitude Ripple (Fo +/- 4.4 MHz)  
-
Group Delay Variation (Fo +/- 4.4 MHz)  
Absolute Delay  
nsec  
usec  
-
80  
-
2.96  
55  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-72  
-
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.  
203405B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-26  
2/5  
NI0029-CS02  
SAW Bandpass Filter 203405B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = 100 nH,  
L2 = 47 nH  
C1 = C2 = 24 pF  
5. Marking Configuration  
ITF1) 04A0012)  
203405B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203405B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-26  
3/5  
NI0029-CS02  
SAW Bandpass Filter 203405B  
6. Typical Performance ( at +25℃ )  
5 Feb 2004 15:48:52  
1_: 0  
CH1  
S
log MAG  
10 dB/  
REF -23.3 dB  
dB  
21  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 11.092 193 MHz  
1
cent: 80.439642 MHz  
Q: 7.2519  
2
1_ loss: -23.262 dB  
3
4
CH1 CENTER 80.495 000 MHz  
SPAN 28.000 000 MHz  
5 Feb 2004 15:50:11  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
200 ns/  
REF -23.04 dB  
REF 2.929 us  
1_  
0
dB  
21  
21  
3_:-16.369 ns  
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 9.973 020 MHz  
cent: 80.496619 MHz  
Q: 8.0714  
1_ loss: -23.305 dB  
1
2
8.800 000 MHz  
3
2
REF=2  
4
mean: 2.965 1 us  
s.dev: 11.982 ns  
p-p: 63.671 ns  
2
PRm  
Cor  
3
Smo  
1
CENTER 80.495 000 MHz  
SPAN 11.000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203405B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-26  
4/5  
NI0029-CS02  
SAW Bandpass Filter 203405B  
5 Feb 2004 15:49:38  
5 Feb 2004 15:52:27  
REF -24.18 dB 1_:-23.829 dB  
CH1  
CH2  
S
S
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -23.04 dB  
REF -22.99 dB  
1_  
0
dB  
21  
21  
CH1  
S
log MAG  
10 dB/  
3_: .6794 dB  
21  
80.495 000 MHz  
0.000 000 MHz  
PRm  
Cor  
REF=1  
PRm  
BW: 9.506 722 MHz  
cent: 80.568956 MHz  
Q: 8.4749  
1_ loss: -23.263 dB  
1
1
2
3
4
8.800 000 MHz  
3
REF=2  
mean:-23.383 dB  
s.dev: .2436 dB  
p-p: .9731 dB  
PRm  
Cor  
2
1
2
CENTER 80.495 000 MHz  
SPAN 11.000 000 MHz  
START .010 000 MHz  
STOP 300.000 000 MHz  
5 Feb 2004 15:51:30  
1_: 6.3169  
5 Feb 2004 15:51:44  
CH1  
CH2  
S
S
SWR  
SWR  
5
5
/
/
REF 6.343  
REF 7.575  
11  
22  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_ 10.047  
2_: 6.6563  
25.354  
50.131 nH  
1.8686 nF  
11  
22  
2_ 7.5703  
-1.0581  
80.495 000 MHz  
80.495 000 MHz  
PRm  
Cor  
PRm  
Cor  
1
1
1
2
80.495 000 MHz  
2
80.495 000 MHz  
PRm  
Cor  
2
PRm  
Cor  
CENTER 80.495 000 MHz  
SPAN 28.000 000 MHz  
CENTER 80.495 000 MHz  
SPAN 28.000 000 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.  
203405B  
2004-04-26  
5/5  
NI0029-CS02