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XE0068DT Datasheet

  • XE0068DT

  • Integrated DTMF transceiver. 2-4 wire converter

  • 12頁

  • ETC

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xecom
Description
The XE0068DT is an FCC registered
telephone line interface which includes a
DTMF transmitter, decoder and call progress
monitor. FCC rules limit transmit level and
require a 2-second billing delay at the start
of each call. The XE0068DT does not
merely clamp the incoming signal which
could cause signal distortion; but, uses an
Automatic Gain Control circuit to optimize
the transmit level over a wide range of input
signal levels. The integral DTMF transmitter,
decoder, and call progress monitor makes
the XE0068DT ideal for network signalling
applications.
Block Diagram
XE0068DT
2-18-94
FCC Registered Phone Line Interface with Tone Transmitter/Decoder
Features
* Small Size - 2.28" x 1.08" x 0.42"
* FCC Part 68 Registered
* Ring Detection and Hookswitch Control
* 1500 Volt Isolation;
* 800 Volt Surge Protection;
* An Integral 2-Second Billing Delay
* Auotomatic Gain Control optimizes
transmit level for any input level.
* Integral DTMF transmitter and decoder
* Call progress Monitor
PIN CONFIGURATION
CAUTION:
Pins 24 & 26 have 1500V isolation
from the rest of the circuitry. This
isolation must be preserved

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