CD4046BNSR 資料表、價格和 PDF

CD4046BNSR phase locked loop ic

The CD4046BNSR is a classic and highly practical phase-locked loop (PLL) IC. In simple terms, its job is to “lock onto” a specific frequency and stay synchronized with it.Well, the CD4046BNSR shows up in a lot of everyday electronics. For instance, when you tune your radio, stabilize signals in wireless communications, or even sync clocks in digital equipment, you’re likely using something similar to this chip. Its key strength is quickly tracking changes in the input frequency and maintaining synchronization without losing its target signal.Another reason the CD4046BNSR is so popular is that it’s incredibly easy to integrate with other electronic components. You don’t need complicated external circuits to make it work properly. This simplicity makes it especially friendly for DIY enthusiasts and engineers alike, saving both time and money.Digging a bit deeper, internally, this chip includes modules like a Voltage-Controlled Oscillator (VCO), a Phase Detector, and an amplifier. Together, these modules enable it to capture frequencies, synchronize signals, and produce stable outputs. It works well over a wide voltage range (3 to 15 volts), and it consumes low power—perfect for battery-operated portable electronic devices.In short, the CD4046BNSR is a versatile and powerful PLL chip. Whether you’re an electronics hobbyist or a professional engineer, this classic IC is definitely worth getting familiar with.

CD4046BNSR pinout

CD4046BNSR equivalent pll ic

• Functional Similarity: All listed ICs are PLLs with integrated Voltage-Controlled Oscillators (VCOs) and phase comparators, making them suitable for frequency synthesis, modulation, and demodulation applications.

• Package Compatibility: Each alternative comes in a 16-pin SOIC package, ensuring physical compatibility with designs using the CD4046BNSR.

• Supply Voltage Range: While most alternatives support a supply voltage range similar to the CD4046BNSR, the SN74LV4046A operates at a lower maximum voltage, which should be considered based on your application’s requirements.

• 工作溫度： The operating temperature ranges vary slightly among the alternatives. Ensure that the chosen substitute meets the thermal requirements of your application

CD4046BNSR frequency multiplier circuit

This circuit uses a classic chip known as the CD4046, which is a Phase-Locked Loop (PLL) IC that many electronics enthusiasts and engineers prefer for frequency multiplier circuits. Basically, it starts by taking your input signal and passing it through an LM339 comparator, which cleans up the signal and turns it into a neat square wave. This makes it easier for the rest of the circuit to handle.

Next, the cleaned-up signal is fed into the CD4046. Inside this chip, there’s a Voltage-Controlled Oscillator (VCO) that generates a higher-frequency output. But to keep the frequency stable and precise, two 74LS90 chips are used to divide this high-frequency signal down to one-hundredth of its frequency. This lower-frequency signal then loops back into the CD4046, where it’s compared to your original input. The PLL chip continuously adjusts itself until the output frequency perfectly locks onto exactly 100 times your original input signal.

It’s a simple yet effective solution commonly used in wireless communication, frequency synthesis, and electronic testing equipment—a truly classic design in electronic engineering.

CD4046BNSR vs 74hc4046

When choosing between the two, consider the specific requirements of your application, such as operating voltage, frequency range, and temperature conditions.