261805B

295.0 MHz SAW Filter
Project name 261805B
1. Features
Typical 1dB bandwidth of 18.5 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
295.0
-
dB
-
27.5
29.0
1dB Bandwidth
MHz
18.40
18.55
-
3dB Bandwidth
MHz
-
19.05
-
45dB Bandwidth
MHz
-
20.83
20.90
dB
-
0.5
1.2
Group Delay Variation (Fo±9.0075MHz)
nsec
-
40
80
Absolute Delay
usec
-
2.23
2.25
dB
47
53
-
ppm/℃
-
-18
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (Fo±9.0075MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
-
112-LT
Input Power : +10dBm
5.5max 6.0max
7.6±0.2
L1
Input
50Ω
1
5
L2
Output
50Ω
C2
12.7±0.2
2.5±0.2
C1
0.45±0.05
ITF 13A001
261805B
295-18.5M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = L2 = 6.8nH, C1 = C2 = 24pF
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
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
Input
1
Ground
2,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 04.01
Rev 1.0
295.0 MHz SAW Filter
Project name 261805B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
45dB Bandwidth
16 Sep 2012 19:06:30
CH1
CH2
S21
S21
LOG
LOG
1 dB/
1 dB/
REF -26.9 dB
REF -27.32 dB
1 : 0 . 0000
3 : . 14150
dB
dB
16 Sep 2012 19:04:20
0 . 000
18 . 015
000
000
CH1
MHz
MHz
S21
LOG
10 dB/
REF -27.3 dB
1 : 0 . 0000
dB
0 . 000
000
MHz
*
CH1 Markers
REF=1
18 . 550721
MHz
BW:
:
294 . 986008
MHz
CH1 Markers
REF=1
20 . 834604
MHz
BW:
1
cent
Cor
Cor
cent
Q: 15 . 902
:
294 . 953158
MHz
2
Q: 14 . 157
1_ loss
: -27
. 219
dB
1_ loss
1
: -27
. 268
dB
2
Hld
3
4
3
CH2
2
Cor
mean
CENTER
295 . 000
000
MHz
SPAN
: -27
Markers
REF=2
. 100
dB
s . dev
: . 10220
dB
p-p
: . 48040
dB
22 . 000
000
3
MHz
CENTER
3dB Bandwidth & Group Delay
295 . 000
000
4
MHz
SPAN
S21
S21
LOG
DEL
1 dB/
50 ns/
1 : 0 . 0000
3 : -13 . 705
REF -26.9 dB
REF 2.213 us
dB
ns
MHz
16 Sep 2012 19:07:46
0 . 000
18 . 015
000
000
cent
MHz
MHz
CH1
CH2
S11
S22
1 : 30 . 948
2 : 39 . 334
1 U FS
1 U FS
24 . 842
22 . 443
13 . 402
12 . 108
nH
nH
295 . 000
295 . 000
000
000
MHz
MHz
CH1 Markers
REF=1
18 . 951058
MHz
BW:
Cor
000
Smith Chart(S11 & S22)
16 Sep 2012 19:06:49
CH1
CH2
60 . 000
:
294 . 979019
MHz
Cor
Q: 15 . 565
1_ loss
: -27
. 181
dB
1
1
2
2
3
2
Smo
Cor
CH2
mean
3
CENTER
295 . 000
000
MHz
SPAN
Markers
REF=2
: 24. 2363
us
s . dev
: 6 . 1317
ns
p-p
: 38 . 147
ns
22 . 000
000
Cor
MHz
CENTER
295 . 000
000
Wideband Properties
MHz
SPAN
S21
LOG
10 dB/
1 : 0 . 0000
REF -30.29 dB
dB
000
MHz
SWR(S11 & S22)
16 Sep 2012 19:11:32
CH1
60 . 000
16 Sep 2012 19:07:35
0 . 000
000
MHz
Markers
REF=1
2 : -66 . 822
dB
295 . 000
MHz
CH1
CH2
S11
S22
SWR
SWR
1 /
1 /
REF 2.177
REF 1.759
1 : 2 . 1766
2 : 1 . 7409
295 . 000
295 . 000
000
000
MHz
MHz
CH1
Cor
3 : -42 . 544
dB
590 . 000
MHz
1
1
Cor
2
3
START
. 010
000
MHz
2
STOP
1 000 . 000
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
000
MHz
Tel: 82-32-621-1213
Fax: 82-32-621-1218
CENTER
295 . 000
000
MHz
http://www.itf.co.kr
SPAN
[email protected]
60 . 000
000
MHz
2013. 04.01
Rev 1.0
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