Unit 2-1
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- (208) Which analog multimeter control do you use for ac/dc voltages, current, and resistance measurements?
- The function switch
- (217) What digital storage oscope circuit compensates for high sampling rates of high frequency signals?
- charged coupled device
- (217) What type of sampling does a digital storage oscope normally use on a single shot or seldom-occuring signals?
- Real-time
- (217) What type of interpolation does a digital storage oscope use to measure pulse waves?
- Linear
- (217) What digital storage oscope button controls all waveforms displayed in the store mode?
- Cursors control
- (217) In acquiring a 4k record length on a digital storage oscope how many samples can you view at one time?
- 1000
- (218) What is the purpose of the bit error rate test set?
- To provide a bit error detection system that can determine the received data quality.
- (218) What test equipment item provides a patterned digital test signal for loop testingand compares an identical pattern to determine the loop data quality?
- BERTS
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(218) Which of these is a major section of the typical bit error rate test set?
a. Analog signal generator.
b. External clock generator.
c. Internal clock generator.
d. Bit synchronizer and error counter. - b. Internal clock generator
- (228) which spectrum analyzer control selects the maximum input level of the analyzer and reduces input signals to an optimum level?
- min rf atten db
- (230) when the display section of a frequency counterreceives the first ten pulses passed from the sigan l gate, what is sent from the first decimal counting unit to the second decimal counting?
- a carry pulse
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(230) which of the following is not an application of a frequency counter?
a. Monitoring transmitter frequencies.
b. Monitoring bit clock frequency.
c. Monitoring transducer outputs.
d. Monitoring FM drift. - c. Monitoring transducer outputs.
- (200) Where are the explicit operating instructions for test equipment, and which TO tells you where to find further information?
- Applicable technical orders; 0-1-33-1
- (200) Repair and calibration of test equipment is the responsibility of the...
- Test measurement and diagnostic support center.
- (200) When can a shop standard be used for routine maintenance functions?
- If an emergency condition exists and like test equipment is inoperative.
- [200]What is the best way to verify an indication given by a piece of test equipment?
- make a comparison with a similar piece of equipment
- [200] what internal device does some test equipment use to eliminate moisture?
- built in heaters
- [200] what should be done to test equipment when it is not in use
- should be put in a cool dry place
- [200]why must you unsolder one side of a resistor before making a measurement
- to prevent erroneous readings
- [200] list two precautions you should take before making a resistance measurement
- remove power to circuit under test and disconnect any meters tubes and transistors that could be dmamged by the meter