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Module 16 - Introduction to Test Equipment
Navy Electricity and Electronics Training Series (NEETS)
Chapter 6:  Pages 6-41 through 6-46

 

 
Table 6-1. - Description of Front Panel Controls, Indicators, and Connectors
 
 
 
 
 
 
 

Description of Front Panel Controls, Indicators, and Connectors - RF Cafe

 

6-41



 

Table 6-1. - Description of Front Panel Controls, Indicators, and Connectors - Continued

Description of Front Panel Controls, Indicators, and Connectors—Continued - RF Cafe

 

6-42



 

Table 6-1. - Description of Front Panel Controls, Indicators, and Connectors - Continued

Description of Front Panel Controls, Indicators, and Connectors—Continued - RF Cafe

 

6-43



 

Table 6-1. - Description of Front Panel Controls, Indicators, and Connectors - Continued

Description of Front Panel Controls, Indicators, and Connectors—Continued - RF Cafe

NORMAL INDICATIONS UPON POWER ON
 
With power applied (power knob pulled out), the spectrum analyzer will automatically (upon microcomputer control) go into the following conditions. If you do not find these indications, there is a probably a problem with the unit.
 
·   Vertical display: 10 dB/div;
 
·   Frequency: 0.00 MHz;
 
·   REF level: +30 dB;
 
·   RF attenuation: 60 dB;
 
·   Frequency range: 0.0 to 1.8 GHz;
 
·   Auto resolution: 1 MHz;
 
·   Resolution bandwidth: 1 MHz;
 
·   Freq Span/Div: Max;
 
·   Triggering: Free run;
 
·   Readout: On;
 
·   Digital storage: View A/View B On;
 
 

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·   All other indicators off or inactive.
 

SUMMARY

 
Now that we have completed this chapter, we will briefly review the more important points covered. A CATHODE-RAY TUBE (CRT) is used in an oscilloscope to display the waveforms.
The CRT used in oscilloscopes consists of an ELECTRON GUN, a DEFLECTION SYSTEM, and a FLUORESCENT SCREEN.
 
The ELECTRON BEAM in an oscilloscope is allowed to be controlled in any direction by means of HORIZONTAL- and VERTICAL-DEFLECTION PLATES.
 
VERTICAL-DEFLECTION PLATES are used to show AMPLITUDE of a signal.
 
HORIZONTAL-DEFLECTION PLATES are used to show TIME and/or FREQUENCY
relationship.
 
A GRATICULE is a calibrated scale of AMPLITUDE VERSUS TIME that is placed on the face of the CRT.
 
A DUAL-TRACE OSCILLOSCOPE is designed to accept two vertical inputs at the same time. It uses a single beam of electrons shared by two channels.
 
The SPECTRUM ANALYZER accepts an electrical input signal and displays the signal's frequency and amplitude on a CRT display.
 

ANSWERS TO QUESTIONS Q1. THROUGH Q18.

 
A-1.   Control grid.
 
A-2.   The first anode.
 
A-3.   Because they bend electron streams in much the same manner that optical lenses bend light rays.
 
A-4.   It accelerates the electrons emerging from the first anode.
 
A-5.   A greater deflection angle.
 
A-6.   A greater deflection angle.
 
A-7.   Higher potential.
 
A-8.   Slower beam.
 
A-9.   Amplitude and time.
 
A-10.   Amplitude.
 
A-11.   Time and/or frequency relationships.
 
 

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A-12.   To permit wide-angle deflection of the beam.
 
A-13.   Deflection factor.
 
A-14.   A CRT, a group of control circuits, power supply, sweep circuitry, and deflection circuitry.
 
A-15.   Lower.
 
A-16.   Amplitude, phase, time, and frequency.
 
A-17.   Dual-trace oscilloscopes.
 
A-18.   Front end.
 
 

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NEETS Table of Contents

Triad RF Systems PCB Directory (Design)
Rohde & Schwarz USA (RF Component Pocket Guide) - RF Cafe vidaRF Cables, Connectors & Adapters - RF Cafe
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