531AC25M0000DG

Frequency Stability:	±7ppm
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):	121mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	Si531
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	25MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators: 531AC25M0000DG Application Field and Working Principle

Oscillators are widely used in many electrical and electronic applications and the 531AC25M0000DG is no exception. It is an integral type voltage-controlled oscillator (VCO) used for microwave communication systems and can be used to generate a wide range of frequencies from 2 to 25GHz.This VCO has many advantages over other oscillators. It has a high degree of frequency stability, a low level of phase noise, and a wide tuning range, which makes it ideal for applications such as frequency hopping, pulse radar, and modulation in wireless communication systems.The 531AC25M0000DG VCO operates with two different modes - single-frequency mode and dual-frequency mode. It can be set to the desired frequency range through the use of a voltage ramp control. The internal components of the VCO include an amplifier, a collector, a resonator, a bias FET, a bias current source, a voltage ramp generator, and an error amplifier.In single-frequency mode, the 531AC25M0000DG operates as a standard VCO. The output frequency of the VCO is determined by the voltage applied to the collector resistor. The resonator is connected to the collector and comprises a coil, capacitor, and an active feedback element. When the voltage ramp is applied, the bias current is used to adjust the output frequency.In dual-frequency mode, the VCO operates by applying a voltage ramp and a bias current to the oscillator. The bias current is used to modulate the output of the oscillator in order to generate a signal in two distinct frequencies. The output frequency is based on the voltage-controlled slope of the ramp, which is adjusted using the bias FET.The 531AC25M0000DG VCO is an excellent choice for applications that require high frequency stability, low phase noise, and wide tuning range. It is suitable for use in frequency hopping, pulse radar, and modulation in wireless communication systems. Although the components of the VCO may seem complicated, it is easy to use and operate, making it a great choice for a wide variety of applications.

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