51601. Class B amplifiers are usually zero-biased.
51602. Class B amplifiers are usually operated in push-pull to obtain an output that is a near replica of the input signal.
51603. In a large-signal amplifier, the ac signal only needs to move over a small percentage of the total ac load line.
51604. Soda ash is?
51605. Calculate VB2.
51606. Class B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning on when the ac signal is applied.
51607. The main features of a large-signal amplifier is the circuit's ________.
51608. The principal advantage(s) of BJTs over MOSFETs is (are) that
51609. What is the state of an ideal diode in the region of nonconduction?
51610. How many orbiting electrons does the germanium atom have?
51611. How many terminals does a diode have?
51612. What unit is used to represent the level of a diode forward current IF?
51613. The diffused impurities with ________ valence electrons are called donor atoms.
51614. In which of the following color(s) is (are) LEDs presently available?
51615. Determining rd to a high degree of accuracy from a characteristic curve is very accurate.
51616. What is the range of the operating voltage level for LEDs?
51617. At what kind of operating frequency diffusion or transition is a capacitor represented in parallel with the ideal diode?
51618. Which of the following devices can check the condition of a semiconductor diode?
51619. Which of the following is an atom composed of?
51620. The condition of a semiconductor diode can be determined quickly using a ________.
51621. How many valence electrons does a silicon atom have?
51622. What is the resistor value of an ideal diode in the region of conduction?
51623. Calculate the power dissipation of a diode having ID = 40 mA.
51624. Calculate static resistance RD of a diode having ID = 30 mA and VD = 0.75 V.
51625. In which of the following is the light intensity measured?
51626. Calculate ID if RD = 30 and VD = 0.84 V.
51627. Which of the following elements is most frequently used for doping pure Ge or Si?
51628. Calculate the temperature coefficient in %/° C of a 10-V nominal Zener diode at 25° C if the nominal voltage is 10.2 V at 100° C.
51629. In general, LEDs operate at voltage levels from ________ V to ________ V.
51630. Determine the nominal voltage for the Zener diode at a temperature of 120° C if the nominal voltage is 5.1 volts at 25° C and the temperature coefficient is 0.05%/° C.
51631. What is the maximum power rating for LEDs?
51632. The ________ diode model is employed most frequently in the analysis of electronic systems.
51633. What is the value of the transition capacitance for a silicon diode when VD = 0? (Choose the best answer.)
51634. Which of the following ratings is true?
51635. The ideal diode is a(n) ________ circuit in the region of nonconduction.
51636. Which capacitance dominates in the forward-bias region?
51637. In what state is a silicon diode if the voltage drop across it is about 0.7 V?
51638. Generally the value of ac resistance is ________ the value of dc resistance at the same operating point.
51639. The forward characteristics curve of a diode grows in ________ form.
51640. An increase in temperature of a semiconductor can result in a ________ in the number of free electrons in the material.
51641. In the atomic lattice the ________ and ________ form the nucleus.
51642. Ge and Si have a(n) ________ coefficient in forward bias.
51643. The term ________ is often used when comparing the resistance level of materials.
51644. The reverse recovery time of most commercial switching diodes is in the range of ________.
51645. Diodes are connected ________ to increase the current-carrying capacity.
51646. The ________ the current through a diode, the ________ the dc resistance level.
51647. The heavier the current in a Zener diode in reverse bias, ________ dynamic resistance value.
51648. In n-type material the ________ is called the majority carrier.
51649. Any electron that has left its parent atom has ________ energy state relative to any electron in the atomic structure.
51650. Varying the ________ can control the location of the Zener region.