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MC145745

Part Number	MC145745
Manufacturer	Motorola
Description	V.21/V.23 Telemeter Modem
Published	Aug 1, 2005
Detailed Description	MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145745/D MC145745 Product Preview V.21/V.23 Telemeter...
Datasheet	MC145745 PDF File

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC145745/D MC145745 Product Preview V.
21/V.
23 Telemeter Modem The MC145745 is a selectable modem chip compatible with ITU V.
21 (300 baud full duplex asynchronous) and V.
23 mode 2 (1200 baud half duplex asynchronous).
The built–in differential line driver has the capability of driving 0 dBm into a 600 Ω load with a 5 V single power supply.
This device also includes a DTMF generator, DTMF receiver, call–progress tone detector, answer tone generator, and a receive timing control circuit.
Besides having a clock generator with a crystal oscillator connected to it, the device has a divider circuit to which input of a double frequency...

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