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SAW Bandpass Filter 205401B  
1. Features  
z
z
z
z
z
z
IF Bandpass Filter  
Low-Loss Filter  
Single-Ended Operation  
Ceramic Surface Mount Device (SMD) Package  
Maximum Storage Temperature Range : -40℃ ~ 85℃  
Electrostatics Sensitive Device (ESD)  
2. Package Dimensions  
13.30±0.2  
7.62±0.1  
10  
9
8
7
7
8
9
10  
11  
12  
6
5
11  
12  
6
5
ITF04A001  
205401B  
1.50±0.1  
4
3
2
2.54±0.1  
1
1
2
3
4
0.80±0.1  
Pad Configuration  
11  
5
Input  
Output  
Package : S1365  
6, 12  
Other  
Ground  
Dimensions shown are nominal in millimeters  
Case ground  
Body : Al2O3 Ceramic  
Lid : Kovar, Ni Plated  
Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
205401B  
Rev. Date  
Rev.  
2004-04-13  
1/5  
NJ4003-CS01  
SAW Bandpass Filter 205401B  
3. Specifications  
Fo = 82.5 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
82.5  
11.9  
21.4  
22.1  
25.4  
0.5  
Maximum  
Center Frequency  
MHz  
dB  
82.3  
82.7  
Insertion Loss  
-
13.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
20.9  
-
3dB Bandwidth  
21.6  
-
26.0  
1.0  
100  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 10.25 MHz)  
Group Delay Variation (Fo +/- 10.25 MHz)  
Absolute Delay  
nsec  
usec  
-
40  
-
1.04  
45  
Ultimate Rejection  
dB  
40  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-82  
-
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.  
205401B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-13  
2/5  
NJ4003-CS01  
SAW Bandpass Filter 205401B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L2  
L1 = 68 nH,  
L2 = 68 nH  
5. Marking Configuration  
ITF1) 04A0012)  
205401B3)  
4)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
4) Pad Number 1 Index  
I T F Co., Ltd.  
Part No.  
205401B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-13  
3/5  
NJ4003-CS01  
SAW Bandpass Filter 205401B  
6. Typical Performance ( at +25℃ )  
6 Jan 2004 12:58:43  
CH1  
S
log MAG  
10 dB/  
REF -11.91 dB  
1_: 0  
dB  
21  
205401B  
0.000 000 MHz  
REF=1  
PRm  
Cor  
BW: 25.387 140 MHz  
cent: 82.817115 MHz  
1
Q: 3.2622  
1_ loss: -11.901 dB  
2
3
4
CENTER 82.500 000 MHz  
SPAN 60.000 000 MHz  
6 Jan 2004 13:03:46  
1_: 0  
CH1  
CH2  
S
S
log MAG  
delay  
1 dB/  
50 ns/  
REF -11.9 dB  
REF 1.114 us  
dB  
21  
21  
3_ -25.982 ns  
205401B  
0.000 000 MHz  
PRm  
Cor  
REF=1  
BW: 22.137 885 MHz  
cent: 82.564778 MHz  
Q: 3.7296  
1_ loss: -11.896 dB  
1
2
20.000 000 MHz  
REF=2  
mean: 1.044 2 us  
s.dev: 6.137 ns  
p-p: 39.419 ns  
PRm  
Cor  
3
4
3
2
1
2
Smo  
1
CENTER 82.500 000 MHz  
SPAN 24.000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
205401B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-13  
4/5  
NJ4003-CS01  
SAW Bandpass Filter 205401B  
6 Jan 2004 13:04:12  
6 Jan 2004 13:00:36  
1_: 2.5374  
2_ 2.342  
CH1  
CH2  
S
S
log MAG  
log MAG  
1 dB/  
1 dB/  
REF -11.89 dB  
REF -11.84 dB  
1_: 0  
3_ -.4046 dB  
dB  
CH1  
CH2  
S
S
SWR  
SWR  
5
5
/
/
REF 0  
REF 0  
21  
21  
11  
22  
205401B  
0.000 000 MHz  
205401B  
82.500 000 MHz  
PRm  
Cor  
PRm  
Cor  
REF=1  
BW: 21.420 697 MHz  
cent: 82.499812 MHz  
Q: 3.8514  
1_ loss: -11.89 dB  
1
1
2
2
3
3
4
1
2
2
20.000 000 MHz  
82.500 000 MHz  
1
REF=2  
mean:-11.747 dB  
s.dev: .1179 dB  
p-p: .5308 dB  
PRm  
Cor  
PRm  
Cor  
1
2
CENTER 82.500 000 MHz  
SPAN 24.000 000 MHz  
CENTER 82.500 000 MHz  
SPAN 60.000 000 MHz  
6 Jan 2004 13:01:31  
6 Jan 2004 12:59:55  
CH1  
S
log MAG  
10 dB/  
REF -14.37 dB  
1_: 0  
dB  
CH1  
CH2  
S
S
1 U FS  
1 U FS  
1_: 124.57  
2_ 38.229  
-15.539  
-36.461  
124.15 pF  
52.91 pF  
21  
11  
22  
205401B  
0.000 000 MHz  
205401B  
82.500 000 MHz  
REF=1  
PRm  
PRm  
Cor  
2_:-45.489 dB  
82.5 MHz  
1
3_:-29.232 dB  
165 MHz  
1
82.500 000 MHz  
3
PRm  
Cor  
2
2
START .010 000 MHz  
STOP 500.000 000 MHz  
CENTER 82.500 000 MHz  
SPAN 60.000 000 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.  
205401B  
2004-04-13  
5/5  
NJ4003-CS01