Week 7

1. What factor places a limit on the allowable power dissipation of a transistor?

		Power supply
		Transistor case style
		Emitter-base junction
		Temperature at the collector junction

2. An amplifier circuit that uses two transistors with one conducting for half a cycle while the other is off, and vice versa is called a _________________________.

3. An entry shown on the data sheet that helps to determine the dc input resistance of a JFET is

		IGSS
		VGS
		ID
		RS

4. Which instrument cannot be used in the testing of a JFET?

		Curve tracer
		Oscilloscope
		Wattmeter
		DMM

5. When the gate voltage of an E-MOSFET is well above the threshold voltage

		The device switches from cutoff to saturation
		The device is biased as a linear amplifier
		The device will stay at saturation
		The device will stay at cutoff

6. The most effective method of testing a MOSFET device is by using which instrument? ____________

7. What is one method used to reduce high frequency loss in amplifiers?

		Use large coupling capacitors
		Increase lengths of wires used between stages
		Use transformer coupling
		Keep wires as short as possible

8. Instead of the term cutoff frequency, many technicians use the term

		Corner frequency
		Edge frequency
		Notch frequency
		Resonant frequency

9. What is the fastest and most accurate way to analyze the frequency response of a discrete BJT or FET amplifier?

		Use Multisim or another circuit simulation software
		Use square wave testing
		Use sine wave injection and oscilloscope signal tracing
		Use frequency generator injection and frequency counter testing

10. The input circuit used in most op amps is the 

		Preamp
		Tuned RF amp
		Common-collector
		Differential amp