590DB148M500DG Crystals, Oscillators, Resonators

Absolute Pull Range (APR):	--
Current - Supply (Disable) (Max):	75mA
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	110mA
Operating Temperature:	-40°C ~ 85°C
Series:	Si590
Frequency Stability:	±25ppm
Voltage - Supply:	3.3V
Output:	CML
Function:	Enable/Disable
Frequency:	148.5MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Strip

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Introduction

Oscillators are electronic circuit components that are used to create a time-varying voltage or current. By purposely introducing an internal frequency or time constant within the circuit, oscillators can produce an output of square waves or sine waves. Oscillators are used in a wide variety of applications, from controlling the frequency of timing signals used in digital logic circuits to providing the stable clock signal for microprocessors. Here we will look at the 590DB148M500DG oscillator, a device that utilises a temperature-compensated voltage controlled crystal oscillator (TCVCXO) circuit. This component provides the best possible accuracy compared to other low-cost TCXO solutions and is therefore ideally suited to communications, test & measurement and timing applications.

Application Field

The 590DB148M500DG is a single reference oscillator that is designed for use in a variety of applications. It is used to provide the required stability of timing and frequency references for a range of consumer, professional and commercial applications.The 590DB148M500DG is an excellent choice for applications that require accurate timing and frequency-control, such as cellular phones, base stations, satellite navigation systems, wireless hubs, communication applications, test & measurement systems and time-based control systems.The device is also suitable for use in other applications such as automotive, medical equipment, household appliances and consumer electronics. It offers excellent performance for timing and frequency control requirements.

Working Principle

The 590DB148M500DG is equipped with a voltage controlled crystal oscillator (VCXO) circuit. This circuit is temperature compensated and designed to provide the highest possible accuracy and precision in performance.The VCXO circuit uses a quartz crystal to create a very stable frequency that can be adjusted by applying a voltage. By adjusting the voltage value applied to the crystal, the frequency can be tuned to the desired reference value. This makes the 590DB148M500DG ideal for applications that require dial-in precise frequency control.In addition, the device is also equipped with a temperature-compensated resistor that makes sure the frequency output is not affected by the surrounding temperature.

Conclusion

The 590DB148M500DG is an excellent oscillator for a range of consumer, professional and commercial applications. It has a temperature-compensated VCXO circuit that is designed to provide the highest accuracy and precision in performance.The device offers excellent performance for timing and frequency-control applications, allowing for precise frequency control and temperature compensation. As such, it is ideally suited for applications such as cellular phones, base stations, wireless hubs, communication applications, test & measurement systems, satellite navigation systems, automotive, medical equipment, household appliances and consumer electronics.

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