The FM modulator circuit (frequency modulation) is built with a Motorola MC1648P oscillator. Two varactors, Motorola MV-209 are used to frequency modulate the oscillator. The 5000 Ω potentiometer is ...

/ c ± n.m / for n = 0, 1, 2, 3, .... where n is the sideband pair number In this expression, the + indicates the upper sidebands, and the - indicates lower ones ...

THE communication of intelligence by means of radio frequency electric waves is effected either by interrupting the waves into groups of long and short duration, or by varying the amplitude, frequency ...

Abstract: To address the issue of resonant frequency drift in an ultrasonic shot peening system caused by heat during operation, a pulse-width modulation signal circuit has been designed using the ...

Metric-Frequency Duality In this chapter, we will discuss the attempt to connect General Relativity with Quantum Field Theory by establishing a relationship between metric variations in GR and quantum ...