M850-00
T856/857 General Information
C1.1
Copyright TEL 31/09/98
1 T856/857 General Information
This section provides a brief description of the T856 transmitter and T857 exciter, along
with detailed specifications and a list of types available.
The following topics are covered in this section.
Section Title Page
1.1 Introduction 1.7
1.2
1.2.1
1.2.2
1.2.3
1.2.4
1.2.4.1
1.2.4.2
1.2.4.3
1.2.5
1.2.6
1.2.6.1
1.2.6.2
1.2.6.3
Specifications
Introduction
General
RF Section
Audio Processor
Inputs
Modulation Characteristics
CTCSS
Microcontroller
Test Standards
European Telecommunication Standard
DTI CEPT Recommendation T/R-24-01
Telecommunications Industry Association
1.8
1.8
1.8
1.9
1.10
1.10
1.11
1.11
1.11
1.12
1.12
1.12
1.12
1.3 Product Codes 1.13
1.4 T856 Standard Product Range 1.14
1.5 T857 Standard Product Range 1.15
Figure Title Page
1.1 T856 Main Circuit Block Identification 1.4
1.2 T856 Front Panel Controls 1.4
1.3 T857 Main Circuit Block Identification 1.6
1.4 T857 Front Panel Controls 1.6
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