A component that passes current in one direction only is a ______. diode resistor diode capacitor relay The voltage across a ______ can not change instantaneously. capacitor transistor resistor capacitor diode The current through a ______ is proportional to the voltage across it. resistor resistor capacitor inductor transistor A signal occupying the frequencies 1.1 to 1.25 MHz has a bandwidth of ______. 150 kHz 2.35 MHz 150 kHz 1,250 KHz 1.1 MHz Amplitude modulation involves the mathematical operation of ______. Multiplication Addition Subtraction Division Multiplication The ______ of the carrier remains constant during amplitude modulation (AM). frequency envelope information amplitude frequency The ______ signal in the PLL is the one that varies the PLL's VCO frequency. error input output error analog The ______ of the modulating signal varies the frequency of the carrier signal during frequency modulation (FM). amplitude amplitude frequency phase period Amplitude modulation (AM) is done in the frequency range _______. 0.3-3 MHz 30-300 kHz 0.3-3 MHz 0.5-5 MHz 0.4-4 MHz The equivalent capacitance of a 33 microF cap and a 100 microF cap connected in series is _______. 24.8 microF 0.403 microF 3300 microF 133 microF 24.8 microF A measure of a receiver's noise performance is its _______. SNR PSRR CMRR SNR THD The sensitivity of a receiver depends on its over-all _______. gain selectivity bandwidth SNR gain The bandwidth of a standard TV signal is _______. 6 MHz 6 MHz 20 MHz 3 MHz 900 kHz A series LC circuit has _______ reactance at the resonant frequency. zero oscillating infinite zero indeterminate