Advertisement
LIST OF ILLUSTRA nONS
Figure
Title
Page
1-1
RA6790/GM HF Receiver Overall View
1-0
1-2
International Reception ·Mode Codes
1-5
2-1
Iristallation Drawing, RA6790/GM HF Receiver
2-0
2-2
Packaging Details, RA6790/GM HF Re.ceiver
,
'
2-2
2-3
,RA6790/GM HF Receiver Rear Panel Jacks, ~witches and
"2-4
Connectors
"
:
2-4
Location of .IF Bandwidth Filter Slots
2-9' ' . . ",
2-5
-
Location of Fitters and Jumpers, A4 Assembly
2-10
2-6
Receiver Options Installation Detail
2-12
2-7
A6A2 Circuit Card Assembly Jumpers
2-13
2-8
A6A 1 Circuit Card Assembly Jumpers (Serial Asynchronous
2-14
Interface.)
2-9
Mating A6A1 and A6A2 Circuit Card Assemblies
2-16
2-10
RA6790/GM Rear Panel System Connections
2-19
2-11
Remote Control Connector Pin Designations and Functions
2-24-
3-1
RA6790/GM Front Panel Controls and Indicators
3-0
3-2
Front Panel Displays Detail
3-2
3-3
Data Character Format
3-20
4-1
RA6790/GM Functional Block Diagram
4-0
4-2
Basic Receiver Functional Breakdown,
4-2
4-3
First Mixer, Functional Block Diagram
4-14-
4-4
Second Mixer, Functional Block Diagram
4-16
4-5
A4 IF Circuits, Functional Block Diagram
4--18
4-6
/\4 AF Circuits, Functional Block Diagram
4-20
4-7
A4 AGC Circuits, Functional Block Diagram
4-22
4.-3
ISB, Functional Block Diagram
4-24-
4-9
Typical Phase Lock Loop
4-26
4-10
Fir st Local Oscillator, Digital, Functional Block Diagram
4-28
4-11
Frist Local Oscillator, Analog, Functional Block Diagram
4-30
4-12
Detailed Timing Diagram
4-32
4-13
Second Local Oscillator, Functio"nal Block
Dia~ram
4--34
4-14
Waveform Diagram: Phase Comparator
" 4--36
4-15
BFO Functional Block Diagram
4--38
4-16
Receiver Control, Functional Block Diagram
4-42
4-17
Encoder Output Signals
4-44
4-18
Liquid Crystal Display Control Signals
4-46
4-19
Central Processor Unit, Timing Signal Diagram
4--50"
4-20
Central Processor Unit, Functional Block Diagram
4--52
4-21
System Memory Interface, Functional Block Diagram
4--54
4-22
UAR T Transmitter Functional Block Diagram
4-56
4-23
UAR T Receiver Functional Block Diagram
4--56
5-1
Standard Test Equipment Configuration
5-11
5-2
Typical Signal Levels, RA6790/GM HF Receiver
5-18
5-3
Front Panel A9, Wiring Detail
5-26
5-4
Front Panel (Assembly, Partially Disassembled)
5-27
v
Advertisement
