Frequency Stability:	±100ppm
Current - Supply (Disable) (Max):	28mA
Height - Seated (Max):	0.209" (5.30mm)
Size / Dimension:	0.539" L x 0.260" W (13.70mm x 6.60mm)
Package / Case:	8-DIP, 4 Leads (Half Size)
Mounting Type:	Through Hole
Ratings:	--
Current - Supply (Max):	35mA
Operating Temperature:	-20°C ~ 70°C
Series:	SG-531
Voltage - Supply:	5V
Output:	TTL
Function:	Enable/Disable
Frequency:	28.322MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Obsolete
Packaging:	Tube

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Oscillators

SG-531PTJ 28.3220MC Application Field and Working Principle

SG-531PTJ 28.3220MC is an oscillator powered by quartz tuned to 28.3220MHz. This oscillator is used in various applications because of its high temperature performance and low power consumption. It is also widely used in timing control circuits, radio communications, scientific apparatus, and other applications in the radio frequency field.The SG-531PTJ 28.3220MC oscillator has a low power operation, good frequency control, and low phase jitter which make it suitable for communication usage. The crystal oscillator produces an output frequency that is stable and accurate in terms of frequency. With its wide temperature range, low power consumption and low phase noise, it is ideal for high frequency demand applications using multiple crystal oscillators.The SG-531PTJ 28.3220MC oscillator is composed of a quartz crystal, a low noise differential amplifier, and a precision timer. The quartz crystal works by vibrating at a resonance frequency due to a voltage applied across two electrodes. The resonance frequency and oscillator frequency are determined by the size of the quartz crystal and the frequency is almost constant over a wide temperature range.The low noise differential amplifier is a device that provides high gain, low noise, and low distortion of the amplified signal. The amplifier is composed of an insulated dielectric substrate, two control electrodes, and two output electrodes. The two control electrodes are used to provide the voltage feedback required to set the gain and control the level of the output signal.The precision timer is a timer used to determine the frequency of the oscillator. The timer consists of a resistor, a capacitor, and a switch. The capacitor charges up with a time constant, determined by the resistor and capacitor values, and when it reaches a preset voltage level, the switch is activated and the output frequency of the oscillator is determined.In conclusion, SG-531PTJ 28.3220MC oscillator is used in various applications because of its low power consumption, wide temperature range, and low phase noise. It is widely used in timing control circuits, radio communications, scientific apparatus, and other applications in the radio frequency field.

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