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參數(shù)資料
| 型號： | T8502 |
| 元件分類： | Codec |
| 英文描述： | T8502 and T8503 Dual PCM Codecs with Filters |
| 中文描述： | T8502和T8503雙的PCM編解碼器與濾波器 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 440K |
| 代理商： | T8502 |
Lucent Technologies Inc.
9
Data Sheet
July 1998
T8502 and T8503 Dual PCM Codecs with Filters
Transmission Characteristics
(continued)
ac Transmission Characteristics
(continued)
Table 12. Interchannel Crosstalk (Between Channels) R
F
=
≤
200 k
(See Note.)
Table 13. Intrachannel Crosstalk (Within Channels) R
F
=
≤
200 k
(See Note.)
Note:
For Tables 12 and 13, crosstalk into the transmit channels (VF
X
IN) can be significantly affected by parasitic
capacitive feeds from GS
X
and VF
R
O outputs. PWB layouts should be arranged to keep these parasitics
low. The resistor value of R
F
(from GS
X
to VF
X
IN) should also be kept as low as possible (while maintaining
the load on GS
X
above 10 k
, per Table 4) to minimize crosstalk.
Parameter
Transmit to Receive
Crosstalk 0 dBm0
Transmit Levels
Receive to Transmit
Crosstalk 0 dBm0
Receive Levels
Transmit to Trans-
mit Crosstalk
0 dBm0 Transmit
Levels
Receive to Receive
Crosstalk 0 dBm0
Receive Levels
Symbol
CT
XX-RY
Test Conditions
f = 300 Hz—3400 Hz
idle PCM code for channel under test;
0 dBm0 into other channel VF
X
IN
f = 300 Hz—3400 Hz
VF
X
IN = 0 Vrms for channel under test;
0 dBm0 code level on other channel D
R
f = 300 Hz—3400 Hz
VF
X
IN = 0 Vrms for channel under test;
0 dBm0 into other channel VF
X
IN
Min
—
Typ
–100
Max
–77
Unit
dB
CT
RX-XY
—
–92
–77
dB
CT
XX-XY
—
–90
–77
dB
CT
RX-RY
f = 300 Hz—3400 Hz
idle PCM code for channel under test;
0 dBm0 code level on other channel D
R
—
–102
–77
dB
Parameter
Transmit to Receive
Crosstalk 0 dBm0
Transmit Levels
Receive to Transmit
Crosstalk 0 dBm0
Receive Levels
Symbol
CT
XX-RX
Test Conditions
f = 300 Hz—3400 Hz
idle PCM code for channel under test;
0 dBm0 into VF
X
IN
f = 300 Hz—3400 Hz
VF
X
IN = 0 Vrms for channel under test;
0 dBm0 code level on D
R
Min
—
Typ
–80
Max
–70
Unit
dB
CT
RX-XX
—
–88
–70
dB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T8503 | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8502 and T8503 Dual PCM Codecs with Filters |
| T850-600G | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE TRIAC |
| T850H-6G | 功能描述:雙向可控硅 Hi temp 8A 雙向可控硅 RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復(fù)通態(tài)電流:120 A 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220AB |
| T850H-6G-TR | 功能描述:雙向可控硅 Hi temp 8A 雙向可控硅 RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復(fù)通態(tài)電流:120 A 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220AB |
| T850H-6I | 功能描述:雙向可控硅 Hi temp 8A 雙向可控硅 RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復(fù)通態(tài)電流:120 A 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-220AB |
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