F800 CIRCUIT DESCRIPTION
1 (25)
Uppgjord (även faktaansvarig om annan) -
Prepared (also subject responsible if other)
Nr -
No.
KL/ECS/S/LT Magnus Lindahl ECS/S/LT-96:5044
Dokansv/Godk -
Doc respons/Approved
Kontr -
Checked
Datum -
Date
Rev File
KI/ECS/S/LTC 1996-06-06 A
965044.DOC
F800 Circuit description
CONTENTS:
INTRODUCTION
.........................................................................2
Radio unit ............................................................................2
Line interface .....................................................................3
Programming ......................................................................3
Options ...............................................................................3
RADIO BOARD
............................................................................4
Frequency generator .....................................................6
Transmitter .......................................................................10
Antenna switch .................................................................13
Receiver ............................................................................14
DC power supply ..............................................................17
PROCESSOR BOARD
.............................................................19
Processor And Peripheral Circuits ....................................19
Incoming Speech ..............................................................20
Outgoing Speech ..............................................................21
Modulation Circuits ...........................................................23
Tunning Of Front End .......................................................23
Channel Selection ............................................................23
Power Supply ...................................................................24
Connectors .......................................................................25
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