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hd61825b

Abstract: HD61825 CSB-400
Contextual Info: H D 6 1 8 2 5 B Pulse Dialer with Redial . FEATURES • • • D irect telephone-line operation. Low power and low voltage operation by CMOS process. Uses either a standard 2-of-7 keyboard or the inexpensive m atrix • • • keyboard Stable operation by using ceramic resonator.

Contextual Info: H D 6 1 8 2 6 S e r ie s Tone Generator with Redial FEA TU RES Direct telephone-line operation CMOS process for low-power and low-voltage operation Uses either a standard 2-of-7 keyboard or the inexpensive matrix keyboard Stable operation by using ceramic resonator