FXTC-HE73TC-33.3 MHZ

Frequency Stability:	±1ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.094" (2.40mm)
Size / Dimension:	0.283" L x 0.205" W (7.20mm x 5.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	43mA
Operating Temperature:	0°C ~ 70°C
Series:	FXTC-HE73
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	33.3MHz
Type:	TCXO
Base Resonator:	Crystal
Part Status:	Obsolete
Packaging:	Strip

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Introduction

Oscillators are essential for many electronic systems. In Electronics, an oscillator is an electrical circuit that produces a periodic, oscillating electronic signal. Oscillators are commonly used in digital and radio communications, electrical engineering, and many industrial as well as consumer products. Of particular interest is the FXTC-HE73TC-33.3 MHz oscillator, which is used for a variety of applications. This article focuses on explaining the application fields and working principle of this oscillator.

Application Fields of FXTC-HE73TC-33.3 MHZ Oscillator

The FXTC-HE73TC-33.3 MHz oscillator is ideal for use in a variety of applications. The most common applications are low-power and low-voltage applications such as digital cellular phones, PDAs, and digital cameras. The oscillator also provides precision timing for various multimedia applications. This includes audio and video applications such as radio and television receivers, one example being the production of Closed Captioning (CC) data for television programs.In addition, the FXTC-HE73TC-33.3 MHz oscillator is used in gaming consoles, especially in handheld games. This is because the oscillator can be programmed to reduce power consumption. The drastically reduced power consumption can help extend game play times and provides a more stable design. Furthermore, the oscillator is used in applications such as Frequency Synthesizers and Signal Generators. Frequency Synthesizers are essential for microwave and communication designs to enable variables such as amplitude, shape, and phase modulation. Similarly, Signal Generators are also used in many electronic circuits for the development of logic systems as well as testing and troubleshooting.

Working Principle of FXTC-HE73TC-33.3 MHz Oscillator

The FXTC-HE73TC-33.3 MHz oscillator produces an output signal usually at a frequency of 33.3 MHz. This frequency is derived from a quartz crystal that serves as the primary frequency setting element of the oscillator. The crystal is placed between an inductor and a capacitor and thus forms a parallel oscillator. The crystal oscillation is generated by the capacitive, inductive, and resistive components of the circuit. The quartz crystal oscillates due to its natural resonance frequency, and this frequency is governed by the parallel configuration of the circuit. The oscillator is configured so that the current repeatedly builds up in the parallel resonant circuit until the current exceeds a certain threshold. At this point, the energy stored in the inductor is transferred to the crystal, causing the crystal to become unstable and start to oscillate. As the unstable oscillations pass through the inductor and capacitor, the energy is transferred from the crystal to the inductor and the capacitor. This energy is then used to switch the transistor in the oscillator circuit, thereby creating an oscillating output signal. Overall, the output frequency of the FXTC-HE73TC-33.3 MHz oscillator is determined by the resonant frequency of the quartz crystal used. Since the frequency of the quartz crystal is very stable, the oscillator can also produce a highly stable output frequency.

Conclusion

The FXTC-HE73TC-33.3 MHz oscillator is a versatile device that is used in many different applications. It is ideal in portable and low-power applications due to its low operating current and low voltage requirements. The oscillator produces a highly stable output frequency thanks to its quartz crystal resonator. Moreover, the oscillator can be used for various applications such as Frequency Synthesizers, Signal Generators, and multimedia applications.

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