500DCBF-ACH

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	10.7mA
Height:	0.035" (0.90mm)
Size / Dimension:	0.157" L x 0.126" W (4.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	16.5mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	0°C ~ 85°C
Frequency Stability (Total):	±250ppm
Series:	Si500D
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Available Frequency Range:	900kHz ~ 200MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tube

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Introduction

Programmable Oscillators are components used to generate a frequency-controlled oscillating signal. Their operating principle is based on the periodic alteration of the electric current in a tuned circuit. Among the most popular types of Programmable Oscillators are the 500DCBF-ACH oscillators, which feature superior versatility, precision, and stability.

Application Field

In industrial automation, the 500DCBF-ACH oscillators are employed in the fields of robotics, automation, aerospace engineering, and communication technology. The capability to intervene into the frequency modulation process during production makes them particularly suitable for the development of custom-made automated components and for the automation of production processes.

Working Principle

At the core of the 500DCBF-ACH oscillators, there is a frequency-controlled alternating current. The alternating current is created in the oscillator circuit using two or more capacitors, one for each cycle of the alternating current. The resistance of each capacitor is regulated by adjustment screws, which modify the periods of current alteration in the circuit and, as a result, the frequency of the current in the circuit. The frequency can be easily adjusted with the help of a potentiometer. This allows the user to change the frequency of the oscillator at will. The frequency accuracy can be further enhanced with the use of the oscillator’s auto-calibration system. The auto-calibration system works by automatically adjusting the values of the capacitor resistors so that the frequency of the current in the oscillator circuit is maintained within a certain range. The 500DCBF-ACH oscillators also feature a mechanism that prevents high power surges and keeps the frequency of the current within a certain range. This mechanism is based on the use of temperature-compensated crystals, which are sensitive to environmental temperature changes and can be used to adjust the period of the alternating current in the oscillator circuit and, consequently, its frequency.

Summary

500DCBF-ACH oscillators are a type of Programmable Oscillators used for the production of a frequency-controlled alternating current. They are largely employed in industrial automation and robotics, aerospace engineering, and communication technology, as their versatility, precision, and stability make them ideal for custom-made automated components and production process automation. Their working principle is based on the periodic alteration of the electric current in a tuned circuit, which is regulated through adjustment screws and temperature-compensated thermistors. Finally, the oscillator’s operation is further refined with the use of a potentiometer and the auto-calibration system to modify the values of the capacitor resistors and maintain the frequency of the current within a certain range.

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