AX7MCF3-161.132812C

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	67mA
Height - Seated (Max):	0.075" (1.90mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	8-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	68mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	Clearclock™ AX7
Voltage - Supply:	1.8V
Output:	CML
Function:	Enable/Disable
Frequency:	161.13281MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Introduction to Oscillator Circuits

Oscillators are circuits capable of producing periodic electrical signals, either as analog waveforms or discrete pulses. They are widely used throughout many industries for timing and synchronization purposes, from clocks and watches to automotive applications and telecommunications. Oscillators can be broadly divided into two categories: amplitude-modulated oscillators and phase-modulated oscillators. In either category, understanding the fundamental principles of the circuit, as well as its particular application-specific requirements, is critical to the successful design of such circuits.

Amplitude-Modulated Oscillators

Amplitude-modulated (AM) oscillators are characterized by their ability to change the amplitude of an output waveform, either as a fixed voltage or a carrier signal. The most common type of AM oscillators is an LC oscillator, which uses a single resonant inductor-capacitor (LC) tank circuit to produce a steady sinusoidal output. Other AM oscillator configurations include avalanche transistors, electron-coupled oscillators (ECOs), and voltage-controlled oscillators (VCOs).

Phase-Modulated Oscillators

Phase-modulated (PM) oscillators, on the other hand, are characterized by their ability to produce a signal of fixed frequency with time-variable phase. Unlike AM oscillators, which change the amplitude of the output waveform, PM oscillators modify the phase of the output waveform. Common types of PM oscillators include harmonic oscillators, phase-locked loops (PLLs), direct digital synthesizers (DDSs), and voltage-controlled oscillators (VCOs).

AX7MCF3-161.132812C Oscillator

The AX7MCF3-161.132812C oscillator is a voltage-controlled oscillator (VCO) designed for applications requiring precision timing and synchronization. It combines the strengths of both amplitude-modulated and phase-modulated oscillators, offering a highly stable, frequency-agile solution.To achieve its excellent precision and stability, the AX7MCF3-161.132812C oscillator employs a patented dual phase-lock loop (PLL) system. The two loops, operating in tandem, enhance the stability of the oscillator while providing a wide tuning range and low jitter performance. The oscillator also features integrated voltage and temperature compensation circuitry for even finer control of the output waveform.The AX7MCF3-161.132812C is well suited for applications requiring precise, stable timing with a wide tuning range and low jitter performance, such as GPS receivers, wireless standards, and radio networks. Its single-ended output makes it ideal for use in portable devices and other space-constrained applications.

Conclusion

Oscillators play a crucial role in many modern devices and systems, and an understanding of the principles and capabilities of different oscillator technologies is essential for successful design and implementation in these applications. The AX7MCF3-161.132812C oscillator is an excellent choice for applications requiring precision timing and synchronization, combining the best elements of AM and PM oscillators to provide a highly stable, frequency-agile solution.

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