Att te Study guides, Class notes & Summaries

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) ...

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...

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...

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...

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...

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 ...

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...

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 ...

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...

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)? ...