TA-49.152MCD-T

Frequency Stability:	±25ppm
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:	2.5V
Output:	CMOS
Function:	Enable/Disable
Frequency:	49.152MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators generate a continuous, periodic waveform, and are used in a wide variety of applications. One type of oscillator is the TA-49.152MCD-T, which is a miniature ceramic surface mount RF oscillator with a 5MHz to 50MHz frequency range. This oscillator is used in numerous applications, such as time-division multiplex communication systems, ultra-wide-band radio circuits, and as a reference clock in microwave systems.

Application Field

The TA-49.152MCD-T is designed for extremely reliable operation in consumer electronics, communications technology, and other applications that require precise control of a wide frequency range. The output frequency is adjusted by the user by varying the temperature of the device, or by using an external resistance element. The device is hermetically sealed within a miniature ceramic surface mount package, making it ideal for portable systems, as it is highly resistant to mechanical shock and vibration, has a low standard output power, and is designed to withstand high temperatures.The TA-49.152MCD-T is ideal for high-frequency applications, such as those found in mobile radios, cellular base stations, and radio-frequency cable television systems. The TA-49.152MCD-T is also suitable for automotive systems, navigation systems, satellite communication systems, and scientific instrumentation. The stability and control of the TA-49.152MCD-T are beneficial for many applications that require precision output frequency control.

Working Principle

The TA-49.152MCD-T uses a double-balanced oscillator circuit, where a capacitor and an inductor are connected in parallel. This creates a resonant circuit, where the output frequency is determined by the product of the inductance and capacitance of the circuit. The oscillator circuit is driven by an amplifier, which acts as an inverting buffer, providing amplification of the response. A temperature-compensated quartz oscillator provides the frequency control, and is used to supply the necessary frequency control voltage.The frequency of the TA-49.152MCD-T is adjustable with an external resistance element. The resistance element is attached to the temperature control voltage input pin of the oscillator, and is used to adjust the frequency of the oscillator. This adjustment provides an efficient way to fine-tune the output of the oscillator, providing precise control of the frequency output.The TA-49.152MCD-T features a phase noise performance of -75 dBc/Hz @ 100 kHz to -116 dBc/Hz @ 10 kHz, which helps ensure that the output is clean and free from unwanted noise. The TA-49.152MCD-T also features a high stability of 10 ppm @ 25 °C, and a wide temperature range from -30 °C to +120 °C.

Conclusion

The TA-49.152MCD-T oscillator is a versatile device, capable of providing precise, reliable control of an output frequency range of 5 MHz to 50 MHz. The device is well-suited for use in numerous high-frequency applications, and is capable of providing a clean signal with low phase noise. Additionally, the device is highly resistant to mechanical shock and vibration, and is designed to withstand high temperatures. This makes the TA-49.152MCD-T an ideal choice for a variety of applications.

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