588R250X2CTT

Frequency Stability:	±140ppb
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	3.5mA
Operating Temperature:	-20°C ~ 70°C
Series:	588
Voltage - Supply:	3V
Output:	Clipped Sine Wave
Function:	--
Frequency:	25MHz
Type:	TCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electrical circuits that produce a periodic, oscillating signal. They are used in many electronic and electrical projects. One type of oscillator is the 588R250X2CTT oscillator, which is a voltage-controlled device with fast settling time and low phase noise. In this article, we will discuss the application field and working principle of the 588R250X2CTT oscillator.

Application Field

The 588R250X2CTT oscillator is ideal for applications where wide-bandwidth and wide-range operation is needed. It can be used in a variety of settings, including for frequency dividers, frequency synthesisers, and digital signal processors. Other potential applications include frequency synthesizers for PCM telemetry systems, and frequency companders for PCM equipment. With its fast settling time and low phase noise, the 588R250X2CTT oscillator is also suitable for use in noise test benches.

Working Principle

The 588R250X2CTT oscillator is voltage-controlled device designed for operation up to 100 MHz. It has an adjustable control voltage range of 0 to 5 V, and it can maintain an output frequency accuracy of + 0.01 % over its full operating temperature range. It is designed to maintain frequency stability in the face of varying supply and load conditions, and it is capable of settling to a stable output within 5 microseconds. The oscillator is based on a CMOS-based Phase Locked Loop (PLL) circuit. This circuit is composed of an oscillator circuit, a phase/frequency detector, and a low-pass filter. The oscillator circuit is used to set the initial frequency of the oscillator, the phase/frequency detector compares the phase/frequency of the output signal to a reference frequency, and the low-pass filter is used to eliminate any high-frequency noise that may be present in the system. The oscillator circuit consists of two CMOS inverters, each coupled to its own resistor-capacitor (RC) timing network. The timing network determines the frequency of the output signal, and it can be adjusted by changing the value of the capacitors in the circuit. The output of the oscillator is then fed to the phase/frequency detector, which compares it to a reference signal. If any difference in phase or frequency is detected, an adjustment signal is generated and sent to the low-pass filter. The filter converts this adjustment signal into a voltage and sends it to the oscillator, which adjusts its frequency accordingly.

Conclusion

In conclusion, the 588R250X2CTT oscillator is a useful device for applications that require wide-bandwidth and wide-range operation. Its fast settling time and low phase noise make it ideal for use in noise test benches and other digital signal processing tasks. Its voltage-controlled design allows for the adjustment of its output frequency accuracy, and it is based on a PLL circuit that is designed to maintain frequency stability even under varying supply and load conditions.

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