345LB3I1000T

345LB3I1000T Application Field and Working Principle

Introduction

The 345LB3I1000T oscillator is a type of oscillator specially designed for applications which involve low-power as well as high-speed requirements. It is based on a superior process technology and can handle applications from 9.2MHz to 1.6GHz. It also utilizes a variety of components, including quartz crystals, capacitors, resistors, and transistors, to produce its unique oscillation frequency. The oscillator has a wide range of applications, including telecommunications equipment, oscilloscopes, audio systems, and amplifiers.

Design

The 345LB3I1000T oscillator is designed using a symmetrical, three-phase bridge oscillator circuit configuration and incorporates a switch device, such as a CMOS transmission gate. The oscillator consists of a series of series-resonant LC (inductor-capacitor) circuits connected in a circular format. Each LC circuit has two separate capacitors and one inductor, and all of the elements form a bridge, as the current alternates from positive to negative. This bridge is powered by the voltage that is generated by the switch device.

Output Characteristics

The output of the 345LB3I1000T is a three-phase output with a nominal operating frequency of up to 1.6 GHz. The output waves are sine-wave shaped and structured in a specific sequence. The cycle-to-cycle jitter is less than 5 picoseconds (ps). This type of oscillator has a high phase noise of -122 dBc/Hz at 1-MHz offset and -126 dBC/Hz at 2-MHz offset.

Thermal and Power Considerations

The 345LB3I1000T operates at a maximum power supply level of 3.3V and requires approximately 2.5 Watts (W) of power. It has a maximum junction temperature of 125°C and can operate over a temperature range of -40°C to 85°C. The oscillator can tolerate a wide range of temperature variations and can handle shock and vibration in excess of 25 Gs in any direction.

Uses

The 345LB3I1000T oscillator is suitable for use in a variety of applications, including receivers/tech products, radiofrequency measurements (RF), audio and video products, telecommunications, and digital test equipment. The low cost and high performance make it an ideal choice for use in a variety of products. Additionally, the oscillator is capable of producing a wide range of frequencies without requiring any type of external components.

Conclusion

The 345LB3I1000T oscillator is ideal for a variety of low-power, high-speed applications. The oscillator is designed using a three-phase bridge configuration and features low cycle-to-cycle jitter and high phase noise. It requires a maximum power supply of 3.3V and can operate over a temperature range of -40°C to 85°C. The oscillator is suitable for use in a variety of products, including receivers/tech products, RF measurements, audio and video products, telecommunications, and digital test equipment.