NAVEDTRA 14188A, NEETS Mod. 16, Ch. 5 Flashcards Preview

Luftfart Elektronik Techniker > NAVEDTRA 14188A, NEETS Mod. 16, Ch. 5 > Flashcards

Flashcards in NAVEDTRA 14188A, NEETS Mod. 16, Ch. 5 Deck (12)
Loading flashcards...
1

If the standing wave ratio is greater than what, then the transmission line efficiency has decreased and troubleshooting is necessary?

1.5 to 1

2

What are used to test and align all types of transmitters and receivers?

Signal generators

3

Which devices are used in signal generators to regulate the voltage of the output signal?

Attenuators

4

What produce signals that include the audio range and extend into the rf range?

Video signal generators

5

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

6

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

7

What are used to measure frequencies already in existence?

Frequency counters

8

What is an integrated circuit-testing device?

Logic probe

9

Some logic probes have a feature that detects and displays high-speed transient pulses as small as how many nanoseconds wide?

10

10

How many impedance ranges can be selected on the Tracker 2000?

Four

11

What produces a constant amplitude, low distortion sine wave test signal?

Oscillator

12

Which section is considered to be the heart of the Tracker 2000?

Signal