Transistor Voltages

Related BrainMass Solutions

• Differential Amplifier Design

  The bias voltages are V+=15V and V-=-15V, the transistor parameters are Beta=180 and Va=100V, and the maximum forward transconductance is to be 8ma/V.

• Understanding capacitors and inductors

  The term "biasing" is used a lot when discussing transistor circuits. It simply means applying the relevant voltages and/or currents to make the transistor work the way we want it to. This capacitor allows to stabilize the bias voltage.

• Circuit analysis with LEDs, BJTs, Relays, Opto Couplers

  Assumptions: Logic '1' = V Logic '0' = V Transistor forward current gain hfe = LED current = 10 mA LED voltage drop at 10 mA = V Base/emitter voltage = V Collector emitter voltage when transistor is on = 1 V External Terminals

• Multistage Amplifer

  The output of the differential amplifier is delivered through the transistor T7, configured as an emitter follower. Due to the nature of components being not ideally identical, there will be some offset voltages produced during amplification.

• BJT suitability of transistor types simple circuit

  Attached Procedure Determine Quiescence or Q point voltages and currents at set points in the circuit.

• Class B Amplifier Distortion Summary

  Full conduction occurs through the NPN transistor when the bias then goes above + 0.65V. For positive bias conditions the PNP transistor is turned fully off.

• Power supplies regulated & unregulated problems and solutions

  Stability For transformer-isolated switching power supplies, the output voltages are independent of the input voltage. ie, the input voltage can vary above and/or below the level of output voltages without affecting the operation of the supply.

• Armstrong oscillator with secondary winding's

  (b) Calculate quiescent voltages on the three terminals of the transistor. (c) calculate the frequency of oscillation. (d) The shape of the output waveform in the first 10 milliseconds of start-up.

• Circuit design

  I only have access to the Q2N2222 BJT, CD4007 MOS transistor and the 2n7000 transistor and of course all the various resistors and capacitors.