Canadian Advanced pool, section 3-03

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Subelement 3

Measurements

Section 3-03

dip meter, signal generator

3-03-01

What is a dip meter?

A.
An SWR meter
B.
A marker generator
Correct Answer
C.
A variable frequency oscillator with metered feedback current
D.
A field-strength meter

3-03-01

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3-03-02

What does a dip meter do?

A.
It measures transmitter output power accurately
B.
It measures field strength accurately
C.
It measures frequency accurately
Correct Answer
D.
It gives an indication of the resonant frequency of a circuit

3-03-02

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3-03-03

What two ways could a dip meter be used in an amateur station?

Correct Answer
A.
To measure resonant frequencies of antenna traps and to measure a tuned circuit resonant frequency
B.
To measure antenna resonance and impedance
C.
To measure antenna resonance and percentage modulation
D.
To measure resonant frequency of antenna traps and percentage modulation

3-03-03

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3-03-04

A dip meter supplies the radio frequency energy which enables you to check:

Correct Answer
A.
the resonant frequency of a circuit
B.
the calibration of an absorption-type wavemeter
C.
the impedance mismatch in a circuit
D.
the adjustment of an inductor

3-03-04

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3-03-05

A dip meter may not be used to:

Correct Answer
A.
measure the value of capacitance or inductance
B.
align transmitter-tuned circuits
C.
determine the frequency of oscillations
D.
align receiver-tuned circuits

3-03-05

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3-03-06

The dial calibration on the output attenuator of a signal generator:

A.
always reads the true output of the signal generator
B.
reads twice the true output when the attenuator is properly terminated
C.
reads half the true output when the attenuator is properly terminated
Correct Answer
D.
reads accurately only when the attenuator is properly terminated

3-03-06

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3-03-07

What is a signal generator?

A.
A low-stability oscillator which sweeps through a range of frequencies
Correct Answer
B.
A high-stability oscillator which can produce a wide range of frequencies and amplitudes
C.
A low-stabilty oscillator used to inject a signal into a circuit under test
D.
A high-stability oscillator which generates reference signals at exact frequency intervals

3-03-07

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3-03-08

A dip meter:

A.
should be tightly coupled to the circuit under test
B.
may be used only with series tuned circuits
C.
accurately measures frequencies
Correct Answer
D.
should be loosely coupled to the circuit under test

3-03-08

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3-03-09

A dip meter is:

A.
an SWR meter
B.
an RF amplifier tuning meter
C.
a battery electrolyte level gauge
Correct Answer
D.
a variable frequency oscillator with metered feedback current

3-03-09

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3-03-10

The dip meter is most directly applicable to:

A.
operational amplifier circuits
B.
digital logic circuits
Correct Answer
C.
parallel tuned circuits
D.
series tuned circuits

3-03-10

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3-03-11

Which of the following is not a factor affecting the frequency accuracy of a dip meter?

A.
hand capacity
B.
stray capacity
C.
over coupling
Correct Answer
D.
transmitter power output

3-03-11

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