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MJ1473 - PCM TRANSMITTER

General Description

9-bit counter driven by exchange clock CKE and preset by P1,P2.

The exchange clock also clocks data, DIN,through the channel 0 former and to DOUT via an eight bit shift register.

Key Features

  • 5V - 30mA Power Requirements.
  • 0-70°C Operation.
  • Complies with Relevant CCITI Recommendations.
  • Control Signals Compatible with MJ1472,4.
  • NRZ, AMI or HDB3.
  • Transmission Format.
  • Transmission Format Controlled Locally or Remotely Via TSO Data.
  • Fabricated in NMOS Technology.
  • Inputs and Outputs TIL Compatible 01 [ 1 TPI [ 2 CS [ 3 DOUT [ 4 Pl[S P2 [ 6 Vss [ 7 '-. / 14 JVCC P 13 02 12P l P 11 FAT + MIR lOP CKE sp DIN apMil.

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Datasheet Details

Part number MJ1473
Manufacturer Plessey
File Size 108.89 KB
Description PCM TRANSMITTER
Datasheet download datasheet MJ1473 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MJ1473 Gt~i~~~! ________________________ MJ1473 PCM TRANSMITTER CIRCUIT The MJ1400 Series of circuits have been specifically designed for use in 30 channel PCM systems. The MJ1473 is designed to simplify the transmit section of a 30 channel, 2 MBit PCM link by converting NRZ PCM data to either AMI or HDB3 format after inserting a synchronising word in channel 0 (conforming to CCITT recommendations G.703 and G.732). The data is output in pseudo-ternary form to facilitate driving the line interface via a transformer and AMI or HDB3 code may be remotely selected using bits 2 and 3 in channel a of the incoming data stream.