Table of Contents

Vertical Scales

2-7

Horizontal Scales

2-9

Center Frequency Readout

2-11

Customizing Frequency Readout

2-14

Turning On or Off Readout

2-14

Changing Readout Position

2-14

Changing Readout Frequency

2-15

Test Mode

2-17

Locating Ku-Band Satellites

2-17

Basic Operating Procedure

2-17

Installation

Section 3 Installation

3-1

Packaging

3-1

Electrical Installation

3-1

Power Source

3-1

Mains Frequency and Voltage Ranges

3-1

+18 Volts For Block Down Converter

3-1

Operating Options

3-2

Mechanical Installation

3-2

Cabinet Options

3-2

Cabinetizing

3-4

Rack Adapter

3-5

Custom Installation

3-8

Theory of Operation

Section 4 Theory of Operation

4-1

Overview

4-1

Block Diagram

4-1

RF Input Circuits (Diagram 1)

4-1

IF Amplifier Circuits (Diagram 2)

4-2

Sweep Generator Circuits (Diagram 3)

4-2

Deflection Amplifiers (Diagram 4)

4-3

Microprocessor (Diagram 5)

4-3

Front Panel (Diagram 6)

4-3

Low Voltage Power Supply (Diagram 7)

4-3

High Voltage (Diagram 8)

4-4

RF Input

 

Diagram 1

4-4

L-Band Input

4-4

70 MHz Input

4-4

70 MHz Local Oscillator

4-5

IF Amplifier

 

Diagram 2

4-5

2nd Local Oscillator

4-5

Input Filter, Mixer, and IF Amplifier

4-6

Resolution Filter and Log Detector

4-6

Sweep Generator

 

Diagram 3

4-7

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1705A Spectrum Monitor

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Tektronix 1705A instruction manual Installation, Theory of Operation, Table of Contents