ASFL1-40.000MHZ-ER-T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.051" (1.30mm)
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):	45mA
Operating Temperature:	-20°C ~ 70°C
Series:	ASFL1
Voltage - Supply:	3.3V
Output:	HCMOS, TTL
Function:	Enable/Disable
Frequency:	40MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are used in a variety of applications across many industries. They are used to generate signals of various frequencies and for other purposes, such as timing and control. Oscillators can be based on either analog or digital technology. As advances in integrated circuit (IC) design and device fabrication have progressed, digital oscillators have come to take over many of the functions of the older, analog oscillators.One such digital oscillator is the ASFL1-40.000MHZ-ER-T, a frequently used oscillator in the communications sector. This oscillator is typically used to set frequencies in radio transceivers. It works by providing a stable reference frequency signal that can be controlled by the user for use in frequency modulation (FM) and other applications.ASFL1-40.000MHZ-ER-T oscillators are composed of two main components: the oscillator circuit and the crystal. The oscillator circuit can be based on any of a variety of integrated circuit (IC) designs, the most common being phase-locked loop (PLL) circuits or voltage-controlled oscillators (VCOs). The crystal is typically either a quartz crystal or a ceramic resonator, which can be set to resonate at the frequency desired by the user. The oscillator circuit is designed to read the frequency of the crystal and, thus, provide a frequency output that is locked to it.Once the oscillator circuit has been initialized and locked onto the crystal’s frequency, the oscillator’s frequency can be changed by toggling the input voltage to the oscillator as needed. This process is known as frequency tuning and is used to adjust the output frequency of the oscillator to other basic frequencies, such as the carrier signal in FM radio broadcasts.The ASFL1-40.000MHZ-ER-T oscillator can also be controlled remotely via Serial Peripheral Interface (SPI). This allows users to adjust the output frequency of the oscillator from any device, such as a laptop or tablet, as long as it has SPI compatibility.The ASFL1-40.000MHZ-ER-T oscillator is a versatile and reliable solution for many communications applications. It is frequently used in radio transmitters, frequency synthesizers, and frequency modems, as well as for other types of communications. Additionally, it fits perfectly into applications such as cellular network maintenance, wireless audio broadcasting, and GPS device frequency control.

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