295.0 MHz SAW Filter
Part Number
261406B
1. Features
Typical 1dB bandwidth of
13.7 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
45dB Bandwidth
Amplitude Ripple (Fo±6.7575MHz)
Group Delay Variation (Fo±6.7575MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
Input Power : +10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Minimum
-
-
13.70
-
-
-
-
-
47
-
Typical
295.0
28.6
13.78
14.16
15.75
0.75
50
2.24
52
-18
112-LT
Maximum
-
30.0
-
-
15.85
1.3
100
2.25
-
-
D2012 Package Dimension
1
Matching Schematic
5
12.7±0.5
5.5max 6.0max
7.6±0.2
ITF 13A001
261406B
295-13.7M
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
2.5±0.2
C1 = 33pF, L1 = 3.9nH, C2 = 18pF, L2 = 15nH
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Pin Configuration
Input
Output
1
5
Ground
Others
2,4
Ground
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 04. 01
Rev 1.0
295.0 MHz SAW Filter
Part Number
261406B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -28.5 dB
REF -28.99 dB
17 Sep 2012 12:19:06
1: 0. 0000 dB
0. 000 000 MHz
3: . 48020 dB
13. 515 000 MHz
CH1 S21
LOG
10 dB/
45dB Bandwidth
REF -28.7 dB
17 Sep 2012 12:17:57
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
BW 13. 788213 MHz
:
Cor
cent : 295. 042433 MHz
Q: 21. 398
1
2
1_loss : -28 . 648 dB
*
Del
Cor
1
2
CH1 Markers
REF=1
BW 15. 750060 MHz
:
cent : 294. 985745 MHz
Q: 18. 729
1_loss : -28 . 770 dB
3
4
3
CH2 Markers
REF=2
mean:-28 . 702 dB
s. dev : . 12190 dB
p-p : . 74890 dB
Cor
2
3
4
CENTER 295. 000 000 MHz
SPAN 17. 000 000 MHz
CENTER 295. 000 000 MHz
SPAN 50. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
REF -28.5 dB
REF 2.27 us
17 Sep 2012 12:19:29
1: 0. 0000 dB
0. 000 000 MHz
3:-16 . 067 ns
13. 515 000 MHz
CH1 S11
CH2 S22
1 U FS
1 U FS
Smith Chart
1: 24. 335
2: 57. 742
15. 773
-42 . 986
17 Sep 2012 12:20:45
8. 5099 nH
295. 000 000 MHz
12. 551 pF
295. 000 000 MHz
CH1 Markers
REF=1
BW 14. 165399 MHz
:
Cor
cent : 295. 023469 MHz
Q: 20. 827
1
2
1_loss : -28 . 637 dB
1
Cor
Smo
Cor
3
2
3
CH2 Markers
REF=2
mean: 4 2437 us
2.
s. dev : 7. 7716 ns
p-p : 55. 291 ns
2
Cor
CENTER 295. 000 000 MHz
SPAN 17. 000 000 MHz
CENTER 295. 000 000 MHz
SPAN 50. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -30.4 dB
15 Sep 2012 22:35:24
1:-29 . 511 dB
295. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
1 /
1 /
SWR(S11 & S22)
REF 2.315
REF 2.207
17 Sep 2012 12:20:34
1: 2. 3157
295. 000 000 MHz
2: 2. 2086
295. 000 000 MHz
PRm
Cor
1
1
Cor
2
START . 010 000 MHz
STOP1 000. 000 000 MHz
CENTER 295. 000 000 MHz
SPAN 50. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 04. 01
Rev 1.0