| AN038(HT9170_DTMFreceiver)(ha0038e).pdf | |
| How to Use the HT9170 DTMF Receiver 1 How to Use the HT9170 DTMF Receiver D/N：HA0038E Introduction The HT9170 is a Dual Tone Multi Frequency (DTMF) receiver integrating a digital | |
| AN053(HT9032_TypeI_CallerID)(ha0053e).pdf | |
| Type I caller ID using the HT9032 D/N: HA0053E Introduction The purpose of this Application Note is to provide information on the operation and application of type I caller ID decoder circuits. The HT9032 Calling Line Identification Receiver will be discussed in detail, including their functions, use and compatibility with telecom standards. Several applica- | |