ATT Test 6 Exam Questions with Actual Solutions
How is an RC Phase Shift oscillator identified? They have three RC networks in the
feedback circuit.
How is frequency determined in a colpitts oscillator? Frequency is determined by the
components in the feedback circuit.
How is frequency determined in a Hartley Oscillators? The values of the components in
the feedback circuit determine the frequency.
How is frequency determined with the sawtooth oscillator? The frequency of the output
is determined by the frequency of the input.
increases For FET amplifier, positive alternation of an input signal, ___ drain current (Id).
Increasing Reverse Bias VGS in FET... Decreases Id
input frequency What factor solely determines the output frequency of a sawtooth
generator?
Insulating layer AKA Oxide layer;
, formed when H2O is heated in normal air;
non-conductive material silicon dioxide (SiO2)
Insulating Layer What separates the metal gate electrode from the semiconductor
substrate material of a MOSFET?
JFET Cutoff happens when... Negative Gate Voltage (VGG) increases to the point of no
electron flow.
Mounting Capacitance C(m) amount of capacitance of crystal due to similarity of
structure to capacitor.
N Channel FET's operate by placing... Positive charge on the Drain.
N Channel is made up of... A bar of N type Material with two island P Type Material.
Negative potential on the gate Which test lead is placed on the gate of this FET to check
the forward bias resistance of the gate to drain?
No output Most faults in an oscillator results in ___ from the oscillator.
Piezoelectric effect Crystals used in oscillators exhibit ___.
How is an RC Phase Shift oscillator identified? They have three RC networks in the
feedback circuit.
How is frequency determined in a colpitts oscillator? Frequency is determined by the
components in the feedback circuit.
How is frequency determined in a Hartley Oscillators? The values of the components in
the feedback circuit determine the frequency.
How is frequency determined with the sawtooth oscillator? The frequency of the output
is determined by the frequency of the input.
increases For FET amplifier, positive alternation of an input signal, ___ drain current (Id).
Increasing Reverse Bias VGS in FET... Decreases Id
input frequency What factor solely determines the output frequency of a sawtooth
generator?
Insulating layer AKA Oxide layer;
, formed when H2O is heated in normal air;
non-conductive material silicon dioxide (SiO2)
Insulating Layer What separates the metal gate electrode from the semiconductor
substrate material of a MOSFET?
JFET Cutoff happens when... Negative Gate Voltage (VGG) increases to the point of no
electron flow.
Mounting Capacitance C(m) amount of capacitance of crystal due to similarity of
structure to capacitor.
N Channel FET's operate by placing... Positive charge on the Drain.
N Channel is made up of... A bar of N type Material with two island P Type Material.
Negative potential on the gate Which test lead is placed on the gate of this FET to check
the forward bias resistance of the gate to drain?
No output Most faults in an oscillator results in ___ from the oscillator.
Piezoelectric effect Crystals used in oscillators exhibit ___.
