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If the standing wave ratio is greater than what, then the transmission line efficiency has decreased and troubleshooting is necessary?
1.5 to 1
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What produce signals that include the audio range and extend into the rf range?
Video signal generators
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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
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What produces a constant amplitude, low distortion sine wave test signal?
Oscillator
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What are used to measure frequencies already in existence?
Frequency counters
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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
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Which devices are used in signal generators to regulate the voltage of the output signal?
Attenuators
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How many impedance ranges can be selected on the Tracker 2000?
4
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What are used to test and align all types of transmitters and receivers?
Signal generators
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What is an integrated circuit-testing device?
Logic probe
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Some logic probes have a feature that detects and displays high-speed transient pulses as small as how many nanoseconds wide?
10
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Which section is considered to be the heart of the Tracker 2000?
Signal
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