AX7HCF1-156.2500C

Absolute Pull Range (APR):	--
Current - Supply (Disable) (Max):	78mA
Height - Seated (Max):	0.075" (1.90mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	8-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	80mA
Operating Temperature:	-40°C ~ 85°C
Series:	Clearclock™ AX7
Frequency Stability:	±25ppm
Voltage - Supply:	1.8V
Output:	HCSL
Function:	Enable/Disable
Frequency:	156.25MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Strip

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Introduction to Oscillators

An oscillator is a type of electrical circuit with two or more components, designed to generate a continuous signal. It is used as signal sources and in frequency selection. Oscillators can be further divided into two types: electrical and mechanical.Electrical oscillators are electronic devices that use oscillating electrical voltages or currents to produce periodic signals or pulses. They are also known as signal generators or timing circuits and can generate a range of frequencies, from DC (zero hertz) to microwaves (1 GHz).Mechanical oscillators use physical objects to generate vibrations including pendulums, springs and electromechanical systems such as tuning forks and resonators. They are used in frequency selection, similar to a filter, where frequencies below the cut-off frequency are blocked. Mechanical oscillators are also used to produce audible sounds in musical instruments.

AX7HCF1-156.2500C Application Field and Working Principle

The AX7HCF1-156.2500C is an oscillator that produces a sine wave with an amplitude of ( 0.9Vp-p to 1.1Vp-p), frequency of (156.2500C to 156.5050CMHz), and frequency stability of ±25ppm over the operating temperature range (-20°C to +80°C). The AX7HCF1-156. 2500C is designed for applications such as WCDMA, GSM, DSCDMA and TD-SCDMA.The device is housed in a low-profile 7.0 mm × 5.0 mm × 1.4 mm plastic package with a zero-ohm shield. It operates at temperatures from -20°C to +80°C and supports frequencies from 156 KHz to 15.65 MHz.The working principle of the AX7HCF1-156.2500C is based on a type of oscillator called a voltage-controlled oscillator (VCO). It works by adjusting the input voltage to create an oscillation in the output voltage. The voltage-controlled oscillator is a two-port device that works by producing an output voltage with the same frequency as the input voltage, but with a phase difference of 90 degrees.The radio frequency (RF) output of the VCO is applied to a resonator cavity that is tuned to the operating frequency of the device. This cavity acts as a filter, allowing the output to pass only signals within a certain frequency range, while blocking signals outside of this range. This allows the device to achieve a high degree of frequency stability.The AX7HCF1-156.2500C can also be used in frequency hopping applications. Frequency hopping allows one to send data at different frequencies in a given time frame, reducing the amount of interference caused by other radio devices operating at the same frequency. It also reduces the amount of power consumed by the device.The AX7HCF1-156.2500C is a reliable and low-cost oscillator that can be used for a variety of applications. Its wide operating temperature range, frequency range, frequency stability, and frequency hopping capabilities make it a great choice for those needing a high-performance oscillator for their application.

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