When gain and attenuation are both converted into decibels, the overall gain or attenuation of a circuit can be computed by __________ individual gains or attenuations, expressed in decibels.
What is adding
100
Opposition to alternating-current flow offered by coils and capacitors is known as ___________.
What is reactance
100
______________ are created using components such as: resistors, capacitors, and inductors that do not amplify.
What is Passive filters
100
______________ is the frequency range over which the filter passes signals.
What is Passband
100
What is the capacitive reactance of a 100-pF capacitor at 2 MHz?
What is 796.2 Ω
200
When a decibel value is computed by comparing a power value to 1 mW, the result is a value called the ________.
What is dBm
200
At high frequencies, a resistor’s lead __________ and stray _____________ cause the resistor to act like a complex RLC circuit.
What is inductance and capacitance
200
______________ pass frequencies over a narrow range between lower and upper cutoff frequencies.
What is Bandpass filters
200
__________is the loss the filter introduces to the signals in the passband.
What is insertion loss
200
What is the inductive reactance of a 40-μH coil at 18 MHz?
What is 4522 Ω
300
The power output of an amplifier is 12 watts (W). The power gain is 80. What is the input power?
What is 150 mW?
300
__________is the tendency of electrons flowing in a conductor to flow near and on the outer surface of the conductor frequencies in the VHF, UHF, and microwave regions.
What is Skin effect
300
Refere to diagram: What type of filter is shown
What is highpass filter
300
___________ is a term used to describe the amplitude variation with frequency in the passband.
What is Ripple
300
Parallel Resonant Circuit acts as a kind of storage vessel for electric energy, it is often referred to as a ____________with a circulating current.
What is tank circuit
400
An amplifier has an input of 3 mV and an output of 5 V. What is the gain in decibels?
What is 64.4
400
______________of a series resonant circuit is the narrow frequency range over which the current is highest
What is bandwidth
400
Refere to diagram: What type of filter is shown
What is Notch filters, also called bandstop or band-reject filters
400
______________ is the rate of change of amplitude with frequency in a filter.
What is Roll-off
400
___________ are frequency-selective circuits that incorporate RC networks and amplifiers with feedback to produce low-pass, high-pass, bandpass, and bandstop performance
What is Active Filters
500
A filter has a power input of 50 mW and an output of 2 mW. What is the gain or attenuation?
What is −13.98
500
What is the resonant frequency of a 2.7-pF capacitor and a 33-nH inductor?
What is 533 MHz
500
LC filter which has extremely good selectivity, and attenuation just outside the passband is very high, but has ripple in the passband.
What is Chebyshev
500
An LC filter which has maximum flatness in response in the passband and a uniform attenuation with frequency.
What is Butterworth
500
_____________is a special form of a crystal filter designed to provide the exact selectivity required by a given application.