270304B

70 MHz SAW Filter
Part Number 270304B
1. Features

Typical 1dB bandwidth of 2.95 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
-
70.0
-
dB
-
22.1
24.0
1dB Bandwidth
MHz
2.8
2.95
-
3dB Bandwidth
MHz
-
3.2
-
40dB Bandwidth
MHz
-
4.42
4.5
dB
-
0.4
1.0
Group Delay Variation (fo ± 1.25 MHz)
nsec
-
130
200
Absolute Delay
usec
-
2.83
-
dB
48
52
-
ppm/℃
-
-18
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.25 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
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
270304B
70-2.9M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = L4 = 180nH, L2 = L3 = 150nH
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. 12. 28
Rev 2.0
70 MHz SAW Filter
Part Number 270304B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
23 Jan 2015 13:28:28
1: 0. 0000 dB
0. 000 000 MHz
3: . 12990 dB
2. 500 000 MHz
REF -21.9 dB
REF -21.9 dB
CH1
S21
LOG
10 dB/
23 Jan 2015 13:27:25
1: 0. 0000 dB
0. 000 000 MHz
REF -21.9 dB
CH2 Markers
REF=1
2. 976221 MHz
BW:
cent :
70 . 035447
MHz
BW:
1
Cor
Q: 23 . 532
cent :
2
CH1 Markers
REF=1
4. 442305 MHz
70 . 007629
MHz
Q: 15 . 759
1_loss : -22 . 272 dB
1_loss : -22 . 270 dB
1
2
3
3
4
2
CH4 Markers
REF=2
mean : -22 . 195 dB
Cor
s. dev : . 07870
p-p : . 38180
4
3
dB
dB
Cor
2
CENTER
70 . 000 000 MHz
SPAN
3. 500 000 MHz
4
CENTER
70 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
300 ns/
14 . 000 000 MHz
Smith Chart(S11 & S22)
23 Jan 2015 13:28:20
1: 0. 0000 dB
0. 000 000 MHz
3: -36 . 232 ns
2. 500 000 MHz
REF -21.9 dB
REF 2.75 us
SPAN
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 41. 689
2: 54. 645
-8 . 6172
6. 2754
23 Jan 2015 13:28:42
263. 85 pF
70. 000 000 MHz
14. 268 nH
70. 000 000 MHz
CH2 Markers
REF=1
3. 261352 MHz
BW:
cent :
70 . 028270
MHz
Cor
Q: 21 . 472
1_loss : -22 . 273 dB
1
Cor
2
3
2
4
1
2
Cor
CH4 Markers
REF=2
mean : 2. 8354
4 us
s. dev : 30 . 080 ns
3
Smo
p-p : 131 . 23 ns
Cor
2
CENTER
70 . 000 000 MHz
SPAN
3. 500 000 MHz
CENTER 70. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
23 Jan 2015 13:29:42
1: 0. 0000 dB
0. 000 000 MHz
REF -21.9 dB
CH1 Markers
REF=1
2: -64 . 499 dB
70 . 0000 MHz
1
SPAN 14. 000 000 MHz
CH1
CH3
S11
S22
SWR
SWR
1 /
1 /
23 Jan 2015 13:28:59
1: 1. 2988
70 . 000 000 MHz
2: 1. 1604
70 . 000 000 MHz
REF 0
REF 0
Cor
3: -46 . 008 dB
140 . 000 MHz
Cor
1
3
2
2
START
. 010 000 MHz
STOP 300 . 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
70 . 000 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
14 . 000 000 MHz
2015. 12. 28
Rev 2.0
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