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Oscillators

ASTMUPCE 33-26.000MHZ-LJ-E-T application field and working principle

An oscillation circuit is composed of a power supply, an oscillation element, and an external circuit. The parameters of the oscillator-related circuits must be adjusted correctly before they can be operated. The adjustment is the key to the oscillator circuit, and it is necessary to thoroughly understand the parameters of each component. At the same time, the assembled oscillator must meet the design requirements.

The application field of the ASTMUPCE 33-26.000MHZ-LJ-E-T oscillator is mainly placed in the area of communication, telecom, shortwave broadcast transceivers, high-frequency equipment, AD/DA converters and radio frequency synthesis. The oscillator is mainly used in electron tube type digital modulation communication, digital modulation communication, airport surface radar, tether communications, satellite communications, mobile communications and other occasions.

In the working principle of the ASTMUPCE 33-26.000MHZ-LJ-E-T oscillator, the two ends of the oscillation element constitute the feedback loop, the positive feedback output, and the voltage amplification enable the oscillation at a certain frequency. The oscillation frequency of this oscillator can be adjusted by the resistance and capacitance of the external timing circuitty. This oscillator utilizes a titanium metal gate field effect transistor (FTGTFET) structure to form an amplitude stability through negative resistance. The center frequency is 2.4GHz, with a maximum output power of +25dBm.

The oscillator is stable and the output is smooth. In the structure, the special process is adopted to reduce the effect of the resistance of the gate on the oscillation frequency, and the external constants formed by the metal resistor and the inductor are used for frequency selection. It effectively reduces the electromagnetic interference of the metal plate by using a series wire inductance and a plastic inductance.

The ASTMUPCE 33-26.000MHZ-LJ-E-T oscillator is applicable for various communications, it is important for electrical engineers to use it in the proper ways, pay attention to parameters adjusting during the manufacture process, and make sure it meets all the requirements in design.

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