Electronics Midterms Flashcards
Amplifier circuit has a gain of 40. Voltage is 300mVpp what will the output voltage be
.3 x 40 = 12vpp
How many valence electrons do N-type dopants have
5
Which is the most negative terminal of a properly biased NPN bipolar transistor
Emmiter
A BJT has a base current of 220 micro amps and a collector current of 40.7 mA what is the gain
185
Which of the following transistor types had an insulated gate
D-MOSFET
A BJT has a collector current of 65mA and a gain of 160 what is the base current
65/160 = 406 micro Amps
A silicon diode will have a voltage drop of what when forward biased
.7v
To shut off a N-channel J-FET the gate terminal must be made more______than the _____ terminal
Negative, source
Which transistor type operates like a normally closed switch
JFET
What are 3 terminal names of a mosfet
Gate, drain, source
When testing a PNP bipolar transistor which meter connections should display a forward voltage drop
Red lead to emitter black lead to base
To turn on a N-channel E-mosfet the gate terminal must be made more ______ than the _____ terminal
Positive, source
An N channel JFET is tested with a multimeter and measures O/L between gate and source and O/L with the leads reversed. The transistor is
Failed open
Which transistor family is capable of the fastest switching speeds
MOSFET
An N-channel E-mosfet is tested with a multimeter and measures O/L between gate and source and O/L with the leads reversed the transistor is ____
Working normally
