NAVEDTRA 14188A NAVY ELECTRICITY AND ELECTRONICS TRAINING SERIES. MODULE 16- TEST EQUIPMENT Flashcards
What can the mulitmeter function as to measure current flow?
Ammeter
When using the multimeter as a current-indicating instrument, never connect the test leads directly across a voltage. Always connect the instrument in what way with the load?
Series
Which condition is indicated by the simultaneous flashing of the display readouts on the electronic digital multimeter?
Overload
Which device compares an unknown voltage with a known internal reference voltage and to indicate the difference in their values?
Differential voltmeter
The differential voltmeter is a solid-state instrument that provides the capability of making dc voltage measurements from +/- 10 microvolts to +/- how many volts?
1,100
Which rugged, field-type tester was designed to test transistors and semiconductor diodes?
AN/USM-206A
Resistance, capacitance, and inductance can be measured with precise accuracy by using what?
Alternating-Current bridges
If the standing wave ratio is greater than what, then the transmission line efficiency has decreased and troubleshooting is necessary?
1.5 to 1
What are used to test and align all types of transmitters and receivers?
Signal generators
Which devices are used in signal generators to regulate the voltage of the output signal?
Attenuators
What produce signals that include the audio range and extend into the rf range?
Video signal generators
In addition to the necessary power supply, a typical rf signal generator contains three other main sections: an oscillator circuit, modulator, and what else?
Output control circuit
HP 8640B signal generator covers the frequency range of 500 kilohertz to 512 megahertz, and can be extended to what by using adapters?
1,024 MHz
What are used to measure frequencies already in existence?
Frequency counters
What is an integrated circuit-testing device?
Logic probe
Some logic probes have a feature that detects and displays high-speed transient pulses as small as how many nanoseconds wide?
10
How many impedance ranges can be selected on the Tracker 2000?
Four
What produces a constant amplitude, low distortion sine wave test signal?
Oscillator
Which section is considered to be the heart of the Tracker 2000?
Signal
What is used to show the shape of a video pulse appearing at a selected equipment test point?
Oscilloscope
What test equipment is used to sweep over a band of frequencies to determine what frequencies are being produced by a specific circuit under test, and then the amplitude of each frequency component?
Spectrum analyzer
What is the angle the outgoing electron beam makes with the CRT center line axis between the plates called?
Angle of deflection
What is a calibrated scale (made of clear plastic) of amplitude versus time that is placed on the face of the CRT?
Graticule
Deflection sensitivity for a given CRT might typically be how many millimeters per volt?
0.2
What refers to the length of time the phosphor glows after the electron beam is removed?
Persistence
What allows you to view two independent signal sources as a dual display on a single CRT?
Dual-trace operation
What assures proper impedance matching between the probe and oscilloscope?
Impedance equalizer
What is used to examine the frequency spectrum of radar transmissions, local oscillators, test sets, and any other equipment operating within its testable frequency range?
Spectrum analyzer
