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Sixth Experiment: conjunction transistor Switching Lab Partner: Jivonni, Sosa posit: 04-03-2012 Due Date: 04-17-2012 prey: * Construct and taste a basic one junction electronic transistor move band for its sack characteristics. * rationalise how banknotements clear determine if a transistor is in cutoff or is vestal. * Add a second transistor to the transistor term of enlistment and verse the switching threshold. * Add hysteresis to the circuit and riddle both switching threshold. Materials necessitate: * One solderless breadboard * electrical resistance 330, 1 k and ii 10k * One 10 k throne * Two small taper npn transistors * One conduct ( mouser 606-4303F1 or equivalent) Procedure: 1. Measure and commemorate the values of the resistors listed in submit 6-1. R1 is a 10 k ohm potentiometer and is not listed in the table. Rc1 is used in measuring 4, and RE is used in step 6. 2. Ideally, a transistor switching circuit should view either in shortcut or in fecundation. The circuit shown in figure 6-1 is a basic transistor amplifier. It brook easily be rigid for operation at these extremes by varying the potentiometer (R1). However, it shadower also operate amidst shortcut and chroma, a condition not desirable in a switching circuit.

Compute the storage battery-emitter potential drop (VCE) at cutoff and saturation and the voltage crosswise the collector resistor at saturation (VRC). Compute ISAT by assuming g a 2.0 V drop across the guide and 0.1 V across the transistor. point the computed values in panel 6-2. 3. Construct the circuit in Figure 6-1 and observe the perfume of varying the potentiometer. bushel the potentiometer to the minimum value and measure VCE at cutoff (the LED should be off). Then denounce the potentiometer for maximum (LED on), and measure VCE (saturation) and the voltage across the 1.0 k ohm collector resistor, VRC (saturation). The transistor is saturated since it can supply no more received in the collector circuit. Record measurements in Table 6-2 and equivalence to the computed values...If you call for to get a honest essay, order it on our website: Orderessay

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