How to design a frequency divide by 3 logic in digital electronics?
Frequency divider design strategies Typically, in frequency divider design, the trade offs are around the maximum operating frequency, power consumption, number of transistors needed and flexibility. Depending on the specific application the frequency divider is used, analog or digital approaches may be adopted. This paper will cover the fundamentals of both approaches. The frequency divider is an important building block in today’s RFIC and microwave circuits because it is an integral part of the phase-locked loop (PLL) circuit. In a typical PLL loop, the output of the voltage-controlled oscillator (VCO) is divided down by the frequency divider to a frequency the temperature-compensated crystal oscillator (TCXO) operates (typically from 10 MHz to 30 MHz). The divided signal and TCXO are fed into the phase detector for comparison. The output phase difference is used to adjust the VCO output frequency. The frequency divider is also widely used to generate a precision I/Q signal if the i
