| No | Part number | Description ( Function ) | Manufacturers | |
| 5 | ZL50234 | 8 Channel Voice Echo Canceller ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Independent Power Down mode for each group of 2 channels for power management Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications |
 ETC |
|
| 4 | ZL50234GD | 8 Channel Voice Echo Canceller ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Independent Power Down mode for each group of 2 channels for power management Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications |
ETC |
|
| 3 | ZL50234GDC | 8 Channel Voice Echo Canceller ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Independent Power Down mode for each group of 2 channels for power management Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications |
ETC |
|
| 2 | ZL50234QC | 8 Channel Voice Echo Canceller ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Independent Power Down mode for each group of 2 channels for power management Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications |
ETC |
|
| 1 | ZL50234QCC | 8 Channel Voice Echo Canceller ZL50234 8 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 8 channels of 64ms to 4 channels of 128ms with the ability to mix channels at 128ms or 64ms in any combination Independent Power Down mode for each group of 2 channels for power management Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications |
ETC |
|
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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