353SB3C491T

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	30mA
Operating Temperature:	-20°C ~ 70°C
Series:	353
Voltage - Supply:	5V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	49.152MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: 353SB3C491T Application Field and Working PrinciplesOscillators are electronic components that generate an electrical signal in alternating form. They are designed to oscillate and produce a steady signal as output. A particular type of oscillator, the 353SB3C491T, is commonly used in radio transmitters and receivers, medical instrumentation, and weaponry. The following is an overview of the application field and working principles of the 353SB3C491T oscillator. The 353SB3C491T is a United States-built oscillator developed by the 3Com Corporation in 1991. This oscillator can be used in radio-frequency circuits of up to 56 MHz, offering a low noise performance. It features a frequency synthesizer and a much higher degree of stability compared to its predecessor, the Model 352SB3CX oscillator. The 353SB3C491T oscillator offers a wide variety of features, including high speed operation, a wide power supply range, excellent phase noise, and sub-Hz frequency tuning. It is designed to provide a reliable source of high-amplitude, pure sinusoidal output for amateur and commercial radio applications. Thanks to its low-noise performance, the oscillator is suitable for a number of precision applications, including radar, medical imaging, navigation systems, and communication systems. In terms of working principles, the 353SB3C491T oscillator is mainly based on the negative resistance oscillator circuit, which makes use of a combination of active integrated devices, such as transistors, diodes, and resistors. The circuit consists of an amplifier and a feedback network, which together provide the oscillator with the required output. The amplifier is the primary component of the circuit, and it serves to provide gain in order for the oscillator to adequately amplify the input signal. The feedback network, on the other hand, provides the oscillator with the stability necessary for reliable performance. The 353SB3C491T oscillator is a reliable source of accurate radio-frequency signals, and it is designed to offer superior performance even in conditions of extreme heat and humidity. Thanks to its high power supply voltage, it is suitable for a range of digital and analog/mixed-signal applications. Additionally, the oscillator operates over a wide frequency range, making it suitable for applications across a variety of industries. In conclusion, the 353SB3C491T oscillator is a highly reliable and precision analog component which offers excellent performance in digital and analog/mixed-signal applications. It features a wide frequency range and a high power supply voltage, making it suitable for a variety of uses, from communications and medical instrumentation to precision weaponry. This oscillator is also designed to provide low-noise performance and reliable operation in extreme environmental conditions.

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