74HCT9046APW,112

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The 74HCT9046APW,112 is a device from the Clock/Timing category of integrated circuits (ICs), specifically labeled as Clock Generators, PLLs, and Frequency Synthesizers. This IC device provides dual variable frequency clocks that are adjustable over a wide range of frequencies. It is based on the ancient concept of a phase-locked loop, or PLL.

A phase-locked loop is an electronic feedback control system that allows a signal to be locked to a reference frequency. This technique was first developed in the 1930s and was seen as a breakthrough in allowing antennas and other receiving devices to stay “locked” to a transmitted signal, allowing it to be transmitted continuously, as well as enhancing reception by improving signal-to-noise ratio.

The 74HCT9046APW,112 is an adjustable frequency generator that allows the frequency of output clocks A and B to be independently adjusted over a wide range of frequencies from 1kHz to 400MHz. The device uses CMOS technology and a PLL for frequency synthesis, meaning the output frequencies are determined by the device’s internal components and cannot be adjusted by external means. The device includes two comparators for reference signal detection, two clock signal dividers for frequency selection, and three signal output buffers. It also includes two differential voltage-controlled oscillators, a multiplier/divider circuit, and a power-on reset.

In operation, the input reference signal is divided by the frequency selection divider and further divided by the multiplier/divider circuit. The divided signal is then compared to the reference signal in the the two comparators and adjusted until the signal and reference signal match. This adjustment is done quickly and precisely by adjusting the voltage of the internal oscillators, and the result is outputted as the A and B clocks.

The 74HCT9046APW,112 is an integrated circuit device designed for use in a wide variety of applications requiring precision frequency control. Common applications of this device include frequency synthesizers, modems, radio receivers, electronic test equipment, and clock/timing systems. The device is ideal for low-power, low-cost applications where precision frequency control is required.

The 74HCT9046APW,112 is a reliable and highly accurate device for a variety of frequency control applications. It is ideal for those who need to precisely control the frequency of their clock/timing systems. This device is easy to use and allows for precise adjustment of clock output frequencies over a wide range.

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