SG-8101CA-TJHSB

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Programmable oscillators are electrical circuits that generate signals of predetermined characteristics in exact repetition of magnitude and period using the principles of electrical resonance. They generate and maintain a regular periodic train of electrical pulses. The pulse repetition frequency is derived from an internal free running oscillator. Programmable oscillators are used in a variety of applications, most notably in radio and telecommunications technology, enabling breakthroughs in the fields of radio astronomy and precision timing instrumentation. One such programmable oscillator type is the SG-8101CA-TJHSB.

Application Field

The SG-8101CA-TJHSB is an ideal solution for a wide range of applications requiring oscillation signals of stable frequency, such as clocking devices, modems, embedded systems and wireless applications in the industry of communication, medical, timed devices and many other applications. It can function as an economical source of an exact period of vibration which can be used for controlling various parameters like frequency, duty cycle, amplitude and phase.

Working Principle

The SG-8101CA-TJHSB is a programmable oscillator which is based on a combination of voltage-controlled oscillators (VCO) and phase-locked loops (PLL) technology. The PLL feedback loop is used to detect the output frequency of the VCO. The control voltage is used to tune the VCO’s frequency and keep it at the desired value. A variety of external control inputs can be used to program the output frequency, such as voltage, current, and logic signals.

The SG-8101CA-TJHSB has a built-in voltage regulator which allows it to maintain its output frequency over a wide range of input voltage supply variations. In addition, the oscillator has programmable frequency temperature compensation and output amplitude control for optimizing operating frequency over temperature variations. This provides the advantage of reliable operation over temperature and supply voltage variations without the need for external trim components.

The SG-8101CA-TJHSB also offers the following design features:

• Input frequency range from 0.1 to 600MHz
• Output frequency range from 0.5 to 600MHz
• Wide operating temperature range from -30 to +85 °C
• Adjustment options include voltage (1.35 to 3.3V), current (3 to 11mA) and logic (0 to 5V) control
• High pull range of +/- 3.00ppm
• Crystal oscillator package
• Excellent short term and long term frequency stability

The SG-8101CA-TJHSB is a versatile programmable oscillator suitable for a variety of timing and control applications. Its wide temperature operating range, programmable frequency temperature compensation and adjustable pull range make it an ideal choice for communication systems and other precision timing applications.

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