TA-18.432MDE-T

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	--
Operating Temperature:	-40°C ~ 85°C
Series:	TA
Voltage - Supply:	1.8V
Output:	CMOS
Function:	Enable/Disable
Frequency:	18.432MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Oscillators

TA-18.432MDE-T is an oscillator that works on the principle of “triple-modulated-crystal” technology. This technology is based on the observation that at a certain temperature, the frequency of vibrations of the quartz crystal attached to the oscillator is according to a specific mathematical formula. This technology makes it possible to obtain higher frequency accuracy, better phase noise, better stability and higher levels of reliability.The TA-18.432MDE-T oscillator is available in a frequency range of 1 to 200 MHz with various output levels such as LVCMOS level, sine wave, or buffered HCMOS level. It can operate between -50 to +125 degrees Celsius and it has ± 1% frequency tunability that can be controlled by a crystal control or oven voltage control.The TA-18.432MDE-T oscillator is mainly used in GSM, UMTS and ISM applications, providing high accuracy and low phase noise during communication. It is also used for frequency synthesis in W-CDMA application, providing high accuracy, low jitter and low sliding frequency.The TA-18.432MDE-T oscillator works on the principle of triple-modulated-crystal technology. In this technology, triples of quartz crystals are arranged in such a way that the frequency of the oscillator can be accurately controlled. Each crystal is connected to a capacitance diode, which is also connected to a fixed capacitor. The frequency of the oscillator is controlled by the ratio of the capacitors and diodes. The capacitors can be varied by adjusting the voltage, therefore adjusting the frequency.The quartz crystals are vibration based and the principle of operation of the TA-18.432MDE-T oscillator depends on the principles of piezoelectricity. The crystals have a certain charge depending on the amount of vibration experienced by them. In general, the frequency is inversely proportional to the amount of vibration experienced. Thus, by controlling the amount of vibration, the frequency can be accurately controlled and this principle is used in the TA-18.432MDE-T oscillator.The TA-18.432MDE-T oscillator is used in a variety of applications such as timing devices, RFID systems, telecom applications, and GPS receivers. It is used for generating various types of signals and its applications range from low-power CMOS/TTL to high-power PCB level oscillators. The application range of the TA-18.432MDE-T oscillator is wide and it ranges from continuously monitoring metrology tasks to the chirp modulation used in radar for air-traffic control.The TA-18.432MDE-T oscillator has the advantages of high reliability, low phase noise, low jitter, high-stability and wide frequency range. It can be used in applications requiring optimized cost and performance. It also offers one of the lowest power consumption solutions and offers enhanced frequency stability over temperature. These features make the TA-18.432MDE-T oscillator a preferred choice.

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