CD4046BPW

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CD4046BPW is a CMOS phase-locked loop (PLL) device. It has a wide range of applications as a clock generator, frequency synthesizer, and frequency shifter. It is available in 16-pin plastic dual-in-line (DIP) and surface-mount SOIC packages.

CD4046BPW Application Field

The CD4046BPW can be used in a wide range of applications such as frequency synthesizers, radio receivers, television receivers, and digital signal processing systems. It can also be used for frequency synthesis and generation. The CD4046BPW is often used as a clock generator for microprocessors and digital signal controllers, and for generating clock signals for various other applications.

The CD4046BPW is also used for harmonic synthesizers, frequency dividers, frequency multipliers, and as a clock generator for digital counters, timers, and real-time clocks. It is also used in spread spectrum communications systems, in which it is used to generate pseudorandom codes and pulse sequences used for modulation and spread spectrum transmissions.

CD4046BPW Working Principle

The CD4046BPW works by synthesizing a clock signal from a reference signal. It uses a wide-loop phase-locked loop (PLL) to track the reference signal and generate a clock signal of the same frequency. The reference signal is applied to the reference input and the output is taken from the CLK output.

The CD4046BPW consists of a variable frequency oscillator (VFO), divider, and phase detector. The VFO is a low-frequency oscillator that generates an output clock signal at a frequency determined by the reference input frequency. The divider is a frequency divider which divides the reference frequency by a divisor set by the user. The output of the divider is compared to the VFO output in the phase detector, and the phase difference between the two is used to adjust the VFO frequency. This allows the VFO to track the reference frequency, and produces an output clock signal at the same frequency as the reference signal.

The CD4046BPW has a wide operational range, allowing it to be used in applications with a reference frequency from 0.001 Hz to 50 MHz. It is a low-cost and low-power device, making it ideal for low frequency applications such as low-cost clock generators.

Conclusion

CD4046BPW is a CMOS phase-locked loop device used in a wide range of applications as a clock generator, frequency synthesizer, and frequency shifter. It is available in 16-pin plastic dual-in-line and surface-mount SOIC packages. It works by synthesizing a clock signal from a reference signal and uses a wide-loop PLL to track the reference signal and generate a clock signal of the same frequency. It has a wide operational range and is a low-cost and low-power device. It is ideal for low-frequency applications such as clock generators.

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