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参数资料
| 型号： | TMXW034 |
| 厂商： | TEMEX COMPONENTS |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 1748 MHz, SAW FILTER |
| 文件页数： | 3/6页 |
| 文件大小： | 453K |
| 代理商： | TMXW034 |
TMX W034
SAW Bandpass Filter – LNB / Satellite Channel Router
Preliminary Specification (Rev. 1)
November 10
th, 2005
Technical Characteristics
Operating Temperature range : 25°C ± 2°C
Electrical Parameters
Unit
Minimum
Typical
(1)
Maximum
Source Impedance (balanced)
-
200
-
Load Impedance (single ended)
-
75
-
Differential tuning inductance
nH
-
18
-
Center Frequency fo
MHz
-
1748
-
Bandwidth at –1.0 dB (relative to losses at fo)
MHz
-
58.9
-
Attenuation relative to insertion losses at fo
From 300 kHz to 862 MHz
dB
60
65
From 862 MHz to 1655.5 MHz
dB
42
48
From 1840.5 MHz to 1956.3 MHz
dB
33
37
From 1956.3 MHz to 2500 MHz
dB
42
45
From 2500 MHz to 3000 MHz
dB
40
43
From 3000 MHz to 6000 MHz
dB
15
20
Insertion Loss at fo
dB
-
2.45
2.7
Amplitude Variation in 1724.6 MHz - 1771.3 MHz
(2)
dB
-
0.6
1.0
Group Delay Ripple in 1729.8 MHz – 1766.1 MHz
ns
-
5.0
10
Input VSWR in 1724.6 MHz - 1771.3 MHz
-
1.6:1
2.1:1
Output VSWR in 1724.6 MHz - 1771.3 MHz
-
1.8:1
2.1:1
CMRR in 1724.6 MHz - 1771.3 MHz
(3)
dB
20
22
-
Notes :
(1) Typical values are nominal performances at room temperature
(2) The amplitude variation is defined as the maximum level – minimum level over the given bandwidth
(3) CMRR : Common Mode Rejection Ratio.
200
/ 75 Configuration
Typical Response (Measurement)
Output
75
Single
Input
200
Balanced
L1
GND
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
2
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