8W-14.7456MBD-T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.035" (0.90mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	10mA
Operating Temperature:	-40°C ~ 85°C
Series:	8W
Voltage - Supply:	3.3V
Output:	CMOS
Function:	Enable/Disable
Frequency:	14.7456MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The 8W-14.7456MBD-T oscillator is a temperature-compensated crystal oscillator (TCXO) that utilizes a 14.7456 MHz crystal and an interface consistent with low voltage operation. It offers low phase noise and a wide tuning range from 0 to 100 kHz, making it suitable for a wide variety of applications. This oscillator also features a low-jitter, low-noise amplifier stage for accurate timing signals.In the telecommunications industry, the 8W-14.7456MBD-T oscillator is often used as a local oscillator in radio receivers and transmitter systems. Due to its precision tuning, it is also suitable for use in base station synchronization systems and mobile telephone systems. Additionally, owing to its small size, it is also used in small and low-power systems such as GPS and IoT (Internet of Things) devices.The 8W-14.7456MBD-T oscillator utilizes a combination of two technologies: Temperature Compensated Crystal Oscillator (TCXO) and Temperature Compensated Voltage Controlled Oscillator (TCVCO). TCXOs use a temperature-stabilized crystal oscillator as their oscillator while TCVCOs use a voltage-controlled oscillator. In combination, these two technologies provide a robust, highly stable oscillator with good temperature performance and low jitter.The working principle of the 8W-14.7456MBD-T oscillator is simple but effective. A crystal oscillator and an amplifier form the core of the oscillator circuit. The crystal oscillator generates a continuous square-wave signal, which is then amplified and filtered by the amplifier. The resulting waveform is then phase-shifted to produce a sinusoidal signal with a wide tuning range control.The 8W-14.7456MBD-T oscillator also contains a temperature control circuit to compensate for variations in temperature. The temperature control circuit utilizes a thermistor and resistor network to measure the temperature of the oscillator and then adjusts the output frequency accordingly. This ensures that the oscillator maintains a stable output frequency, even when subjected to temperature changes.In summary, the 8W-14.7456MBD-T oscillator is a highly precise temperature-controlled oscillator used in a wide range of telecom applications. It combines both TCXO and TCVCO technologies and features an integrated temperature control circuit to ensure a stable output frequency even in extreme temperatures. As a result, it is well-suited for precise timing signals in both base station synchronization and mobile telephone systems.

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