PDF620002

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Oscillators

Oscillators are devices used to produce an oscillatory electrical signal, usually a sinusoidal wave or a square wave. This signal is used as an input signal for many types of applications such as measuring and testing instruments, communication systems, control systems, consumer electronics, and digital signal processing (DSP). The main purpose of an oscillator is to generate an oscillating signal of a specific frequency and amplitude that can be used as a reference signal for other operations. The type of oscillator used depends on the application.

PDF620002 Application Field and Working Principle

PDF620002 is an oscillator that is designed for clock and timing applications. It is based on Pulse-width modulation (PWM) technology, making it suitable for frequency control in a wide range of applications. The PDF620002 is a low-cost, narrowband PLL that provides a high-accuracy clock reference. It combines an internally generated reference clock signal with an external oscillator input to generate a highly stable output frequency. This reference signal can be used as the clock source for other circuits, allowing for high-precision timing in digital logic and signal processing applications.

The PDF620002 has a direct-digital synthesis (DDS) architecture, which makes it a more efficient form of frequency control. It uses a two-stage phase-locked loop (PLL) scheme to generate different clock frequency outputs, from low-frequency clocks to multi-gigahertz reference clocks. The PDF620002 is also capable of producing multiple clock signals frequencies, both synchronous and asynchronous. The PDF620002 offers an excellent performance when compared to other frequency synthesizers.

In order to generate the reference frequency signal, the PDF620002 utilizes a two-stage PLL circuit, with an internal phase frequency detector (PFD) and a lowpass filter (LPF). In the first stage, the reference clock is multiplied by a factor of two and then filtered by the LPF. This filtered signal is used as the input to the second stage. The second stage consists of a Divider that divides the input signal by two before sending it back to the first stage. In the first stage, the two signals are combined so that the lowpass filtered signal is added to the multiplied reference clock. This produces a periodic signal of the correct frequency, which is then sent to the output port.

The PDF620002 also has a variable gain amplifier (VGA) that allows the user to adjust the output level of the reference frequency signal. The VGA is controlled by a voltage-controlled oscillator (VCO), which is used to fine-tune the output frequency of the reference signal. The PDF620002 also has a voltage-controlled crystal oscillator (VCXO) which is used to stabilize the output frequency and prevent the output from drifting. The PDF620002 can be used in many different types of applications, including frequency oscillation, frequency modulation (FM) of amplitude modulation (AM), frequency division multiplexing (FDM) of communication signals and data transmission, and frequency synthesizers.

The PDF620002 is used in many applications due to its flexibility, accuracy, and reliability. The device is also capable of producing output frequencies as low as 25 Hz and as high as 400 kHz, so it is suitable for a wide range of applications. The PDF620002 is a very useful device that can be used for many different applications.

The specific data is subject to PDF, and the above content is for reference