Index
Index–2
1502C MTDR Service Manual
Timing Diagram, 5-33
Row Driver Interface, 5–37
Row Drivers, 5–31
Supply Voltages, 5-32
SBE Cell, 5–30
Shift Register, 5–36
Driver/Sampler, 5–23
Bridge Bias, 5–24
General, 5–23
Power Supply Conditioner, 5–24
Second Sampler, 5–23
Trigger Pulse Shapers, 5–24
Front Panel
Analog-to-Digital Converter, 5–27
Block Diagram, 5–26
Display Heater, 5–28
Display Temperature Compensation, 5–28
EL Backlight, 5–27
General, 5–25
Push Button Switches and Latches, 5–25
Resistive Shaft Encoders, 5–27
Rotary Binary Switches, 5–27
Switch Multiplexers, 5–27
Front-End, 5–23
Introduction, 5–1
Option Port Interface
Block Diagram, 5–11, 5–13
Buffers, 5–12
General, 5–10
Output Latch, 5–12
Supply Control, 5–11
Wiring Configuration, 5–12
Power Supply
Battery Charger, 5–6
Block Diagram, 5–4
DC-to-DC Converter, 5–7
Deep Discharge Protection, 5–6
General, 5–4
Post-Regulator, 5–6
Pre-Regulator, 5–5
Primary Circuit, 5–5
Processor, Block Diagram, 5–8
Processor System
Address Decoding, 5–9
Decoding, 5–10
Display RAM Space, 5–9
Enable and Select Signal space, 5–9
EPROM, 5–9
General, 5–7
Interrupt Logic, 5–10
Memory, 5–9
Microprocessor, 5–8
Non-volatile RAM Space, 5–9
Program Memory, 5–9
RAM, 5–9
Pulse Generator/Sampler, Block Diagram, 5–24
System Block Diagram, 5–2
Timebase
Analog, 5–20
Block Diagram, 5–16
Calibration of Delay Diagram, 5–19
Control Diagram, 5–17
Digital, 5–20
General, 5–15
Time Delay Diagram, 5–18
Video Processor
General, 5–13
Output Scope Waveform, 5–15
Summing Amplifier, 5–14
Vertical Position DAC, 5–14
Video ADC, 5–15
Video Amplifier, 5–14
Waveform Accumulation Diagram, 5–3
Connectors
BNC – BNC, 4–3
BNC to Alligator, 4–3
BNC to Banana, 4–3
BNC to Binding Post, 4–3
BNC to F Type, 4–3
BNC to GR, 4–4
BNC to Hook Tips, 4–3
BNC to N Type, 4–3
BNC to UHF, 4–3
Controls
Cable Connector, 1–5
Distance / Division, 1–5
Front Panel, 1–4, 1–5
Horizontal Position, 1–6
Menu Button, 1–6
Noise Filter, 1–5
Power, 1–6
Store Button, 1–6
Velocity of Propagation, 1–6
Vertical Position, 1–6
Vertical Scale, 1–5
View Difference Button, 1–6
View Input Button, 1–6
View Store Button, 1–6
D
Depth Spec, 3–4
Diagrams
Component Locator
Driver/Sampler Board, 9–29
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