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参数资料
| 型号： | TMXW401 |
| 厂商： | TEMEX COMPONENTS |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 38.912 MHz, SAW-VIDEO/SOUND FILTER |
| 文件页数： | 2/4页 |
| 文件大小： | 338K |
| 代理商： | TMXW401 |
TMX W401
SAW Bandpass Filter – Europe DAB
Preliminary Specification (Rev 1)
February 7
th, 2005
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Operating Temperature range : +25°c (+45°c)
Electrical Parameters
Unit
Minimum
Typical
Maximum
Source Impedance
(single ended)
-
50
-
Load Impedance
(balanced drive)
/ pF
-
2000 / 3
-
Center Frequency fo
(center between 10dB points)
MHz
38.874
38.912
38.950
Relative Attenuation αrel
From 36.27MHz to 37.31MHz
(From 36.26MHz to 37.30MHz)
dB
40.0
52.0
-
From 40.61MHz to 41.41MHz
(From 40.60MHz to 41.40MHz)
dB
38.0
46.0
-
Lower sidelobe (Incl. 2
nd adjacent channel)
From 30.01MHz to 36.27MHz
(From 30.00MHz to 36.26MHz)
dB
43.0
53.0
-
Upper sidelobe (Incl. 2
nd adjacent channel)
From 41.41MHz to 50.01MHz
(From 41.40MHz to 50.00MHz)
dB
42.0
47.0
-
Insertion attenuation IL
Reference level for the following data 38.922 (38.912)MHz
dB
17.2
18.7
20.2
Pass bandwidth
αrel ≤ 3dB BW3dB
αrel ≤ 30dB BW30dB
MHz
MHZ
-
1.5
2.7
-
Group delay ripple (p-p)
Aperture 50 kHz
From 38.12MHz to 39.72MHz
(From 38.11MHz to 39.71MHz)
ns
-
35
-
Reflected Wave Signal Suppression
1.6s…..6.0s after main pulse
(test pulse 250ns, carrier frequency 38.922MHz)
dB
42.0
52.0
-
Temperature coefficient of frequency TCf
ppm/K
-
-18
-
Package type
SIP5D
Maximum Ratings
Rating
Unit
Value
Operable Temperature Range
TA
-40 to +65
°C
Storage Temperature Range
Tstg
-40 to +85
°C
DC Voltage (between any terminals)
VDC
0
V
AC Voltage (between any terminals)
VPP
10
V
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