| No | Part number | Description ( Function ) | Manufacturers | |
| 5 | MT8870 | ISO2-CMOS Integrated DTMF Receiver ® ISO2-CMOS MT8870D/MT8870D-1 Integrated DTMF Receiver Features • • • • • • • • Complete DTMF Receiver Low power consumption Internal gain setting amplifier Adjustable guard time Central office quality Power-down mode Inhibit mode Backward compatible with MT8870C/MT8870C-1 ISSUE 3 May1995 Ordering Information MT8870DE/DE-1 18 Pin Plastic DIP MT8870DC/DC-1 |
 Mitel Networks Corporation |
|
| 4 | MT8870D | Integrated DTMF Receiver MT8870D/MT8870D-1 ISO2-CMOS Integrated DTMF Receiver Data Sheet Features October 2006 • Complete DTMF Receiver • Low power consumption • Internal gain setting amplifier • Adjustable guard time • Central office quality • Power-down mode • Inhibit mode • Backward compatible with MT8870C/MT8870C-1 Applications • Receiver system for British Telecom (BT) or CEP |
 Zarlink Semiconductor |
|
| 3 | MT8870D | Integrated DTMF Receiver ISO2-CMOS MT8870D/MT8870D-1 ® Integrated DTMF Receiver Features • Complete DTMF Receiver • Low power consumption • Internal gain setting amplifier • Adjustable guard time • Central office quality • Power-down mode • Inhibit mode • Backward compatible with MT8870C/MT8870C-1 Applications • Receiver system for British Telecom (BT) or CEPT Spec (MT8870D-1) • P |
 Mitel |
|
| 2 | MT8870D-1 | Integrated DTMF Receiver MT8870D/MT8870D-1 ISO2-CMOS Integrated DTMF Receiver Data Sheet Features October 2006 • Complete DTMF Receiver • Low power consumption • Internal gain setting amplifier • Adjustable guard time • Central office quality • Power-down mode • Inhibit mode • Backward compatible with MT8870C/MT8870C-1 Applications • Receiver system for British Telecom (BT) or CEP |
Zarlink Semiconductor |
|
| 1 | MT8870D-1 | Integrated DTMF Receiver ISO2-CMOS MT8870D/MT8870D-1 ® Integrated DTMF Receiver Features • Complete DTMF Receiver • Low power consumption • Internal gain setting amplifier • Adjustable guard time • Central office quality • Power-down mode • Inhibit mode • Backward compatible with MT8870C/MT8870C-1 Applications • Receiver system for British Telecom (BT) or CEPT Spec (MT8870D-1) • P |
Mitel |
|
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 | |||