Stock dial telephone line power supply circuit diagram


Posted on Mar 28, 2007

Compilation dial phone numbers with 15 commonly used libraries (plus number dialed) are stored in a standard CMOS RAM, one button keypad makes typing a phone number can be dial


Stock dial telephone line power supply circuit diagram
Click here to download the full size of the above Circuit.

ed directly and, or may make the phone are stored in RAM and then automatically dialed.




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