hat
yo siyal la 38kHz multiplex ak 19kHz pilòt ton sòti lè yo divize desann osilator a 7.6MHz kristal ki chita nan Pins 13 &amp; 14. Frekans la se premye divize pa kat a jwenn 1.9MHz ak Lè sa a divize pa 50 jwenn 38kHz. Sa a se Lè sa a, divize pa de a dériver ton an 19kHz pilòt la.
eng
The 38kHz multiplex signal and 19kHz pilot tone are derived by dividing down the 7.6MHz crystal oscillator located at pins 13 &amp; 14. The frequency is first divided by four to obtain 1.9MHz and then divided by 50 to obtain 38kHz. This is then divided by two to derive the 19kHz pilot tone.