252707B

187.5 MHz SAW Filter
Part Number 252707B
1. Features

Typical 1dB bandwidth of 26.4 MHz

High attenuation

Single Ended Operation

Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -20℃ ~ +70℃
Minimum
Typical
Maximum
MHz
187.3
187.5
187.7
dB
-
25.5
27.0
1dB Bandwidth
MHz
26.25
26.4
-
3dB Bandwidth
MHz
-
27.1
-
40dB Bandwidth
MHz
-
30.1
30.25
dB
-
0.6
1.2
Group Delay Variation (fo ± 12.5 MHz)
nsec
-
30
60
Absolute Delay
usec
-
2.18
-
dB
50
55
-
dB
40
53
ppm/℃
-
-18
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 12.5 MHz)
Ultimate Rejection
Relative Attenuation
(Fo ± 12.5 MHz) ± 3.0 MHz
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
25.5
27.0
Amplitude Ripple (fo ± 12.68 MHz)
dB
-
0.6
1.2
nsec
-
30
60
Group Delay Variation (fo ± 12.68 MHz)
* Input POWER : +10dBm
5.5max 6.0max
7.6±0.2
I nput
50Ω
1
L1
5
L4
Out put
50Ω
L3
12.7±0.2
2.5±0.2
L2
0.45±0.05
ITF 15A001
252707B
187.5-26.4M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = 68nH, L2 = 56nH, L3 = 47nH, L4 = 68nH
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]
2015. 04. 06
Rev 1.0
187.5 MHz SAW Filter
Part Number 252707B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
6 Apr 2015 17:33:35
1: 0. 0000 dB
0. 000 000 MHz
3: - . 18000 dB
25 . 360 000 MHz
REF -24.8 dB
REF -24.8 dB
CH1
S21
LOG
10 dB/
6 Apr 2015 17:32:28
1: 0. 0000 dB
0. 000 000 MHz
REF -24.8 dB
CH2 Markers
REF=1
26 . 360497 MHz
BW:
cent : 187 . 480930
MHz
BW:
1
C
CH1 Markers
REF=1
30 . 096168 MHz
cent : 187 . 513585
Q: 7. 1122
2
1_loss : -25 . 210 dB
MHz
Q: 6. 2305
1_loss : -25 . 481 dB
1
2
3
3
4
2
CH4 Markers
REF=2
mean : -25 . 175 dB
Cor
s. dev : . 10920
dB
p-p : . 61000
dB
3
4
Cor
CENTER 187 . 500 000 MHz
SPAN
32 . 000 000 MHz
2
4
CENTER 187 . 500 000 MHz
Relative Attenuation(Fo±12.5 MHz)±3.0 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
6 Apr 2015 17:33:18
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 4333 ns
25 . 360 000 MHz
REF -24.8 dB
REF 2.165 us
BW:
SPAN 100 . 000 000 MHz
CH1
CH3
S21
S21
LOG
LOG
10 dB/
10 dB/
6 Apr 2015 17:32:53
2: 0. 0000 dB
0. 000 000 MHz
2: 0. 0000 dB
0. 000 000 MHz
REF -24.8 dB
REF -24.8 dB
CH2 Markers
REF=1
27 . 087271 MHz
cent : 187 . 499974
MHz
2
2
C
CH1 Markers
REF=2
1: - . 28160 dB
12 . 5000 MHz
3: -66 . 483 dB
-3 . 00000 MHz
Q: 6. 9221
1
1_loss : -25 . 194 dB
1
C
2
3
2
Cor
CH4 Markers
REF=2
mean : 2. 1778 us
4
s. dev : 3. 5140 ns
3
Smo
CH3 Markers
REF=2
1: - . 32690 dB
-12 . 5000 MHz
3: -63 . 339 dB
3. 00000 MHz
p-p : 18 . 692 ns
Cor
3
3
CENTER 187 . 500 000 MHz
SPAN
32 . 000 000 MHz
2
4
CENTER 187 . 500 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
REF -24.8 dB
SWR(S11 & S22)
6 Apr 2015 17:35:22
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2: -72 . 275 dB
187 . 500 MHz
1
SPAN 100 . 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
2 /
2 /
6 Apr 2015 17:34:34
1: 1. 7373
187 . 500 000 MHz
2: 2. 0554
187 . 500 000 MHz
REF 0
REF 0
C
3: -68 . 765 dB
375 . 000 MHz
C
1
2
3
2
START
. 010 000 MHz
STOP 600 . 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
CENTER 187 . 500 000 MHz
http://www.itf.co.kr
SPAN 100 . 000 000 MHz
[email protected]
2015. 04. 06
Rev 1.0
Similar pages