ASTMUPCFL-33-30.000MHZ-EY-E-T3

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	36mA
Operating Temperature:	-20°C ~ 70°C
Series:	ASTMUPC
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	30MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

Oscillators are electronic devices or circuits that generate an alternating electrical signal or waveform with a given frequency and amplitude. Oscillators commonly have two main components: a reference and an amplifier. Reference oscillators use an external, usually periodic, signal to “lock” the oscillator’s timing frequency. This allows the oscillator to generate a signal with low noise and stability, which is important in applications such as communication, navigation and timekeeping. The reference signal comes in many forms, including mechanical vibrations from clocks or quartz crystals, electrical currents from mains power or atomic transitions in a magneto-resistive or resonance tunneling diode. The amplifier increases the very low-level reference signal to an amplitude that can be used by most electrical circuits. It usually consists of active components (such as transistors, vacuum tubes, FETs and integrated circuits) that amplify both the reference and the output signal. Different types of oscillators use different amplifiers and reference signals.

ASTM UPCFL-33-30.000MHZ-EY-E-T3 Oscillator

The ASTM UPCFL-33-30.000MHZ-EY-E-T3 oscillator is a low phase-noise, voltage-controlled oscillator (VCO) designed for use in oscillator bank applications across a wide range of frequencies. It uses an open-loop PLL design with a temperature-compensated voltage-controlled oscillator (VCO) to drive the output stage. The VCO is temperature-compensated using a differential amplifier to make sure its frequency is stable over a temperature range of -20 °C to 85 °C. The output stage consists of a balanced-emitter, differential pair, which provides good frequency stability and low output phase noise. The ASTM UPCFL-33-30.000MHZ-EY-E-T3 oscillator is mainly used in wireless communication systems, broadcasting systems and automatic test equipment. It is capable of operating over a wide temperature range with high performance.

Application Fields and Working Principle

The ASTM UPCFL-33-30.000MHZ-EY-E-T3 is primarily used to generate stable signals in communication and broadcasting systems. It is a voltage-controlled oscillator that uses an open-loop PLL design with a temperature-compensated VCO to drive the output stage. The VCO is temperature-compensated using a differential amplifier to ensure its frequency stability over a wide range of temperatures. The oscillator consist of three main components: the VCO, the PLL and the output stage. The VCO uses an LC tank circuit to generate an output signal at a frequency determined by its control voltage. The PLL monitors the output signal from the VCO and compares it to the reference signal. If the frequency of the VCO’s output signal differs from the reference signal, the PLL circuit adjusts the VCO’s control voltage until they match. The output stage takes the signal from the PLL and amplifies it to a level necessary for most electrical applications. It consists of a balanced-emitter, differential pair, which provides good frequency stability and low output phase noise. The output stage also adds any necessary frequency or signal shaping. The ASTM UPCFL-33-30.000MHZ-EY-E-T3 oscillator is capable of providing a low phase-noise output signal over a wide frequency range and in various environmental conditions. It is used in communication, broadcasting and test equipment applications.

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