Att te Study guides, Class notes & Summaries
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ATT ET Test 10 Review
- Exam (elaborations) • 13 pages • 2023
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Two objects at the same range must be separated by at least ____ beam width to be separately distinguishable by the RADAR system. - Answer- One. 
 
What is the phase shift of a stationary object? - Answer- Stationary objects have no Doppler Effect. 
 
The beam produced by the orange-peel parabolic antenna is _____ in the horizontal plane and _____ in the vertical. - Answer- Narrow, Wide. 
 
What two types of energy transmissions do RADAR systems employ? - Answer- Pulsed, Continuous Wave (CW) 
 
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ATT Test 9 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 13 pages • 2024
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ATT Test 9 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What voltages are considered LOW (TTL logic)? 
 
 
Answer: 
0.8 volts or less 
 
 
 
Q: What voltages are considered HIGH (TTL logic)? 
 
 
Answer: 
2V or more 
 
 
 
Q: Voltages between 0.8V and 2V are considered what? 
 
 
Answer: 
Unknown, Float, Switching 
 
 
 
Q: How many different classes of IC integration are there? 
 
 
Answer: 
5 
 
 
 
Q: SSI is a class of integration with how many compon...
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ATT Test 8 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A
- Exam (elaborations) • 20 pages • 2024
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ATT Test 8 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
 When reverse biased higher than Vz, what is the output voltage of shunt regulator? 
 
 
Answer: 
Vz 
 
 
 
QUESTION 
 Which component changes resistances to maintain constant V out (zener diode regulator)? 
 
 
Answer: 
Q1 
 
 
 
QUESTION 
 Which component sets output voltage (zener diode regulator)? 
 
 
Answer: 
D1 (holds Q1 at Vz) 
 
 
 
QUESTION 
 The voltage on emitter is establ...
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ATT Test 7 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A
- Exam (elaborations) • 18 pages • 2024
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ATT Test 7 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
 
 How is Q1 turned on (monostable)? 
 
 
Answer: 
Input pulse forward biases D1 and is applied to Q1 base 
 
 
 
QUESTION 
 What happens when Q1 turns on (monostable)? 
 
 
Answer: 
C1 discharges and turns OFF Q2 (12V) 
 
 
 
QUESTION 
 When Q1 is ON, what causes it to turn OFF? (monostable) 
 
 
Answer: 
C1 charges enough to turn Q2 ON which turns Q1 off 
 
 
 
QUESTION 
 How is freque...
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ATT Test 10 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 12 pages • 2024
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ATT Test 10 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What is the purpose of a 4 bit shift register? 
 
 
Answer: 
designed to transfer 4 bits of binary data from one circuit to another 
 
 
 
Q: What type of transfer is used when mode control is HIGH in 4 bit shift register? 
 
 
Answer: 
Parallel 
 
 
 
Q: What type of transfer is used when mode control is LOW in 4 bit shift register? 
 
 
Answer: 
Serial 
 
 
 
Q: How is shift right set up in 4 bit...
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ATT Test 6 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A
- Exam (elaborations) • 17 pages • 2024
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ATT Test 6 (NEW 2024/ 2025 Update) 
Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
 
 Why are FETs used in amps instead of BJTs? 
 
 
Answer: 
HIGHER input resistance 
 
 
 
QUESTION 
 What is the most commonly used FET amp? 
 
 
Answer: 
Common source 
 
 
 
QUESTION 
 Which FET amp inverts the output signal? 
 
 
Answer: 
Common source 
 
 
 
QUESTION 
 What is the most common fault in FET amps? 
 
 
Answer: 
Semiconductor (FET) 
 
 
 
QUESTION 
 How do you check ...
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ATT Test 4 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 13 pages • 2024
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ATT Test 4 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: Zt equals what at resonance? 
 
 
Answer: 
Rt 
 
 
 
Q: What circuit value is at MINIMUM at resonance in parallel circuit? 
 
 
Answer: 
Current 
 
 
 
Q: What is a resonant frequency? 
 
 
Answer: 
the frequency at which XL and XC are equal 
 
 
 
Q: How many resonant frequencies does each circuit have? 
 
 
Answer: 
ONE! What you think you can have a bunch of wifes? You get one wife! This is the w...
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ATT Test 8 Questions with 100% correct Answers Updated 2024/2025
- Exam (elaborations) • 11 pages • 2024
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ATT Test 8 Questions with 100% correct Answers Updated 2024/2025 
What are 5 parts of a power supply? 
Input, rectifier, filter, regulator, protection 
Which two parts of a power supply are optional? 
Regulator and protection 
What is the purpose of a power supply? 
To convert AC power into smooth DC power 
What does the input of a power supply do? 
Step up or down the AC input voltage 
What does the rectifier do in a power supply? 
Changes AC into pulsating DC 
What does the filter do in a powe...
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ATT Test 5 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A
- Exam (elaborations) • 16 pages • 2024
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ATT Test 5 (NEW 2024/ 2025 Update) 
Questions and Verified Answers| 100% 
Correct| Graded A 
QUESTION 
 What voltage is needed to forward bias the base to emitter? 
 
 
Answer: 
0.6 V 
 
 
 
QUESTION 
 The arrow of a transistor always points to what? 
 
 
Answer: 
Negative terminal (N-type material) 
 
 
 
QUESTION 
 What is saturation bias? 
 
 
Answer: 
The point where increasing base voltage no longer increases collector current 
 
 
 
QUESTION 
 When saturated the transistor acts ...
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ATT Test 3 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A
- Exam (elaborations) • 15 pages • 2024
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ATT Test 3 (NEW 2024/ 2025 Update) 
Questions and Verified Answers| 100% Correct| Graded A 
 
QUESTION 
 
 What type of square wave should be produced when doing probe compensation? 
 
 
Answer: 
5 VPP 1kHZ 
 
 
 
QUESTION 
 What does a function generator do? 
 
 
Answer: 
Provides a known input signal so tech can test a circuit 
 
 
 
QUESTION 
 What does DC offset do? 
 
 
Answer: 
Adds DC voltage to AC waveform 
 
 
 
QUESTION 
 What does the range control do (function generator)? 
 
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