Figure 1 shows a variation on a sine wave oscillator, it uses just two transistors and a ... With the current values, the frequency can be set between 498 Hz and 1230 Hz by changing R3 between 1k and ...

According to the FOURIER THEOREM, periodic sound may be shown to consist of SINE WAVEs in the HARMONIC SERIES ... analysis of every period of a short trumpet tone (0.16 sec. at 550 Hz). The time ...

This Core Values™product is an ideal companion to our Digital Video cores for use in 48 KHz Embedded Audio applications.

To recap, Quindar tones are a form of in-band signaling, with a 2,525-Hz pure sine wave intro tone that signaled the transmitters connected to Mission Control in Houston over leased telephone ...