75T204 receiver equivalent, 5v low-power subscriber dtmf receiver.
April 2000
* Intended for applications with less requirements than the 75T202/75T203
* 14-pi.
with less requirements than the 75T202/75T203
* 14-pi.
The 75T204 is a complete Dual-Tone Multifrequency
(DTMF) receiver that detects 16 standard digits. No
front-end pre-filtering is needed. The only external
components required are an inexpensive 3.58-MHz
television “colorburst” crystal for freque.
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