ii
Peak Detector Test
44
Performance Tests
45
Introduction
45
Necessary Equipment
45
Tests
45
Start Tests
45
Front Panel Test
45
RF Bandwidth Test
46
Internal Self-Tests
46
Notch-Filter Check
47
10 MHz Oscillator Check
47
Phasemeter Check
48
FS700 Performance Test
Record - Scorecard
49
Calibration
50
Necessary Equipment
50
Coarse Oscillator Adjustment
50
Bandpass Filter Alignment
51
Notch Filter Alignment
53
FS700 Circuitry
Circuit Description
55
Front End/ Notch Filters
55
LORAN Front End
55
Microprocessor System
56
I/O Ports and Interrupt Driver
57
Gated Integrators
57
Gated Integrator Pattern RAM
57
A/D, D/A Converters
58
Clocks and Clock Outputs
58
Phase Comparators/Frequency
Output
59
Front Panel LED's/Switches
59
Unregulated Power Supplies
59
Power Supply Regulators
60
Active Antenna
60
FS700
Component Parts List
61
FS710 Amplifier
FS710 – 10 MHz AGC Distribution
Amplifier
Introduction
75
Front Panel - Figure 1
75
Typical Specifications
75
Operation
76
Trouble Shooting
76
Calibration
76
Circuit Description
76
Line Voltage Selection
76
Line Fuse
76
FS710
Component Parts List
77
PC Layout
80
Schematic
81
Component Placement on PCB
Schematic Circuit Diagrams
Front End/Notch Filters
1/14
LORAN Front End
2/14
Microprocessor System
3/14
I/O Ports and Interrupt Driver
4/14
Gated Integrators
5/14
Gated Integrator Pattern RAM 6/14
A/D, D/A Converters
7/14
Clocks and Clock Outputs
8/14
Phase Comparator/Frequency
Output
9/14
Front Panel LED's/Switches
10/14
Unregulated Power Supplies
11/14
Power Supply Regulators
12/14
Spare IC's
13/14
Active Antenna
14/14
