SG-210STF 12.5000ML

The SG-210STF 12.5000ML oscillator is a quartz crystal-based source of high-frequency electrical output, commonly used for applications such as microwave engineering, communications, medical and industrial processes. It has the ability to produce frequencies between 10 MHz and 1 GHz, with its maximum voltage standing wave ratio (VSWR) rated at 0.5:1. An oscillator is generally divided into two parts: a device that generates a periodic signal (usually a sine wave) and a network that amplifies it. The SG-210STF 12.5000ML is typically used in either phase-locked loop (PLL) or non-phase-locked loop (NPL) applications.

PLL applications use the oscillator as a reference for frequency control. The output from the oscillator is used to frequency modulate a voltage-controlled oscillator (VCO) which then provides the desired frequency output. This is used in applications that require stable and accurate frequency control, such as transmitters, navigation systems, and radar systems.

NPL applications use the oscillator as a source of high-frequency periodic signal of varying output. Examples include digital clock circuits, where the oscillator provides clock ticks, and radio transmission which would require an oscillator producing a stable radio-frequency carrier signal.

The principal of the SG-210STF 12.5000ML is based on the principle of quartz crystal oscillation in which a quartz crystal is made to vibrate at its resonance frequency through the application of an electrical current. This vibration is then converted into an electronic signal by means of an electronic circuit. The frequency of the signal produced is then adjusted to the required frequency by means of a varactor diode.

The key components of this oscillator include the quartz crystal, the varactor diode, and a printed circuit board that holds the components. All of these components must be precisely placed in order to ensure that the oscillator operates correctly. The quartz crystal is placed between two electrodes in a parallel arrangement and the voltage from the varactor diode is applied across these two electrodes. This voltage creates a constant electric field across the quartz crystal and produces an oscillating current in the printed circuit board. Depending on the type of circuit employed, this oscillating current can be used to produce either a sine wave or a square wave output.

The SG-210STF 12.5000ML oscillator has several advantages, the most prominent being its stability and accuracy. Its resonance frequency remains constant over time, and its linearity over temperature is also very good. It is also relatively easy to construct and requires only a few external components, thus making it suitable for compact circuit design.

In conclusion, the SG-210STF 12.5000ML oscillator is a powerful and reliable device that provides a convenient source of high-frequency electrical output. It finds applications in many areas such as microwave engineering, communications, and medical and industrial processes. With its small size, it can easily fit inside a variety of devices and its frequency can be accurately tuned to the required level.