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参数资料
| 型号： | TMXW516 |
| 厂商： | TEMEX COMPONENTS |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 70 MHz, SAW FILTER |
| 文件页数： | 3/5页 |
| 文件大小： | 371K |
| 代理商： | TMXW516 |
TMX W516
SAW Bandpass Filter – 70 MHz Low-loss Filter – IF
Tentative Specification (Rev -)
June 13
th, 2005
Technical Characteristics
Operating Temperature range : 25°C
± 2°C
Electrical Parameters
Unit
Minimum
Typical
(1)
Maximum
Source Impedance (single ended)
-
50
(2)
-
Load Impedance (single ended)
-
50
(2)
-
Center Frequency fo
MHz
-
70
(3)
-
Bandwidth at –1 dB
(4)
MHz
11.45
12.3
-
Bandwidth at –3 dB
(4)
MHz
12.0
12.9
-
Bandwidth at –40 dB
(4)
MHz
-
16.2
18.25
Insertion Loss at fo
(2)
dB
-
11.5
12.5
Amplitude Variation over 11.45 MHz bandwidth
(5)
dBp-p
-
0.7
1.0
Phase Linearity over 10.8 MHz bandwidth
degp-p
-
6.0
10
Group Delay Variation over 10.8 MHz bandwidth
nsp-p
-
70
90
Absolute Group Delay at fo
s
-
1.27
-
Temperature Coefficient
ppm/°C
-
-95
(3)
-
Notes :
(1) Typical values are nominal performances at room temperature.
(2) With external matching networks.
(3) Due to the material, Lithium Niobate, the frequency shift versus the temperature variation is given by :
fo(
θ) – fo(θo) = KLN(θ - θo) fo(θo) with KLN = -95 ppm/°C
(4) The amplitude reference is insertion loss at fo.
(5) The amplitude variation is defined as the maximum level – minimum level over the given bandwidth, band edges excluded.
Matching Network for 50
Single Ended Configuration
Typical Response (Measurement)
L2
L1
11
5
Input
50
Single Ended
Output
50
Single Ended
C2
C1
6
12
GND
Temex Test Fixture
L1 = 100 nH ; Q > 45
C1 = 60 pF
L2 = 120 nH ; Q > 45
C2 = 60 pF
The given configuration and values are for indication only . They may be different on the customer PC board.
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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