Op amps - Study guides, Class notes & Summaries

Semiconductors2 - U3 - Op Amps Question and answers already sorted 2023 What is the schematic symbol of an operational amplifier (op-amps)? - correct answer See SDR2.43 Which input on the op-amp is inverting and which is non-inverting? - correct answer The (+) input is non-inverting, and the (-) is inverting What do op-amps do? - correct answer Used to perform primarily mathematical functions like: addition, subtraction, ect What are 3 characteristics of the ideal op-amp ...

Voltage Divider Law - Vout = (Resistors between V and ground)/(R total) * Vin Rpot + voltage divider - Rpot = R1 + R2 Op amps have a ______ input impedance and a ______ output impedance. - high low What does an op amp having a high input impedance mean - zero current into V+ and VWhat property of the op amp allows it to act as a buffer? - low output impedance and high input impedance isolate blocks of circuits

"A" for Amps, "A" for the ______ of current available in a structure - Amount A banker decides not to lend in a community because of the infusion of people of a particular race, religion, or nationality. What is this called? - Red-lining A CMA (comparative market analysis) is not a/an ______ - Appraisal A lease for large unfinished space would be called a ____ lease - Loft A mortgage that covers and includes more than a single property is called _______ - Blanket A mortgage that financ...

Op Amp Questions with complete solution 2023 The two inputs of an op amp are marked (-) and (+). These inputs provide what? - correct answer inverting and non-inverting Which of the following is NOT a characteristic of an op amp? - correct answer DC instability When two equal signals are applied to the inputs of a balanced closed-loop op amp circuit, the signal is what? - correct answer zero For a general purpose practical op amp, open-loop voltage gain is about what? - correct...

Associate CET Practice Exam - Questions and Answers A schematic used in electronic servicing: is much like a road map for following signals High voltage should be discharged before servicing a product. After disabling. After disabling AC input power, discharge an HV PS by: draining through a large value resistor to chassis ground Which of these would be an important electrical consideration in the use of a transformer? The operating frequency If a 12v product is dissipating 50w, how much load ...

GROL Element 3: Complete Study Guide and Practice Questions for General Radiotelephone Operator License The product of the readings of an AC voltmeter and AC ammeter is called: Apparent power What is the term used to express the amount electrical energy stored in an electrostatic field? Joules What formula would determine the inductive reactance of a coil if frequency and coil inductance is known? Xl=2pi(fL) What determines the strength of a magnetic field around a conductor? The am...

Op-Amp Applications Question and answers rated A+ 2023 A number of op-amp stages can be used to provide separate gains. A.True B.False - correct answer A How many op-amps are required to implement this equation? Vo = V1 A.2 B.3 C.4 D.1 - correct answer D Calculate the cutoff frequencies of a bandpass filter with R1 = R2 = 5 k and C1 = C2 = 0.1 F. A.fOL = 318.3 Hz, fOH = 318.3 Hz B.fOL = 636.6 Hz, fOH = 636.6 Hz C.fOL = 318.3 Hz, fOH =

CETa Study Guide Exam 194 Questions with Verified Answers 8.33 meters is the full wavelength in air for what RF frequency? - CORRECT ANSWER 36 MHz Decimal 164 would appear as what in binary? - CORRECT ANSWER A resistor has color stripes yellow, violet, violet, silver. It is? - CORRECT ANSWER 470 MegOhm +/- 10% What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when connected in series? - CORRECT ANSWER 25 pf What is the ripple frequency of a full wa...

CET Study Guide Exam 294 Questions with Verified Answers B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - CORRECT ANSWER A: +5 to +12 VDC Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed A. 5 micoamps B. 500 microamps C. 5 milliamps D. 50 milliamps - CORRECT ANSWER D: 50...

Associate CET practice exam 200 Questions with Verified Answers 8.33 meters is the full wavelength in air for what RF frequency? - CORRECT ANSWER 36 MHz Decimal 164 would appear as ________ in binary? - CORRECT ANSWER A resistor has color stripes yellow, violet, violet, silver. It is: - CORRECT ANSWER 470 MegOhm +/- 10% what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf when connected in a series? - CORRECT ANSWER 25 pf what is the ripple frequency...