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参数资料
| 型号： | MF609A |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | The in-Line Micro filter |
| 中文描述： | 在线微过滤器 |
| 文件页数： | 5/12页 |
| 文件大小： | 120K |
| 代理商： | MF609A |
Product Specification
MF609A
Data sheet subject to change without notice
RDPS-MF038(R0)01/23/2002
SHEET 5 OF 12
4.3. Electrical specification :
The low pass filter shall satisfy the following parametric limits with a complex impedance
ZNL shown in this table across the Line side of this device . The following requirement is
specified for a single splitter.
Electrical requirements
Splitter parameter
Range
values
Frequency range
Splitter bandwith
Nominal voice band
Billing tone
Ringing frequency
ADSL band
Line Impedance ZNL
Modem impedance
Operation voltage voice band
Nominal signal
Billing tone
DC to 3.4KHz
200Hz to 4KHz
12KHz
±
80Hz
17Hz to 23Hz
25KHz to 12MHz
1330ohm // (348ohm
||
0.1
μ
F)
100 ohm
21mVpp to 5.4 Vpp
10Vpp to 30.2Vpp
40Vrms to 106Vrms(113Vpp to
424 Vpp)
0V to -80V ANSI 6.98
150Vrms with -105VDC offset
320V
Ringing signal
DC voltage
Max. AC voltage
Max. differential
Current voice band
Loop current
Transient current(on/off hook)
DC Resistance
DC Resistance
Isolation resistance tip/ring
Voice –band characteristic
Insertion loss (one splitter) on hook 1004Hz
Insertion loss (with four added
parallel filters)
Insertion loss (one splitter) off hook 1004Hz
Insertion loss (multiple five filters)
<90mA
<90mA
<25 ohm
>5 Mohm
<1.5 ~ -0.5 dB
1004Hz
<6.5 ~ -1.0 dB
<0.5 ~ -0.5 dB
<1.0 ~ -1.0 dB
1004Hz
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