Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT8208
Voltage - Supply:	2.5V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	37.5MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are electrical circuits designed to produce a steady, periodically repeating signal, generally at a specific frequency or range of frequencies. Oscillators are used in numerous electronic devices, such as radios, televisions, amplifiers, clocks, watches, and watches. In these devices, they are used to generate a steady, periodic signal that can be used to generate sound, transmit information, control a circuit, and more. The SIT8208AC-21-25E-37.500000Y is an oscillator used in applications where a wide frequency range and narrowband signals are needed. It can provide precise frequency tuning over a wide range of frequencies between 7.2 kHz to 38.4 MHz. This oscillator is also highly stable and temperature compensated with a +/-2.0 ppm drift over an operating range of -20°C to +85°C.

Application Field

The SIT8208AC-21-25E-37.500000Y is a suitable solution for a wide range of electronic applications, including communications systems, consumer electronics, and industrial products. It is especially useful in applications where a wide operating range and frequency resolution are needed. It can be used in radio transmitters and receivers, satellite navigation systems, cellular base stations, GPS receivers, AM/FM receivers, TV tuners, frequency divider circuits, and test and measurement systems.

Working Principle

The SIT8208AC-21-25E-37.500000Y oscillator operates by a principle called oscillator feedback. This feedback recirculates a signal from the output to the input after some delay and attenuation by electronic components. This creates a stable and periodic waveform that has a frequency determined by the components used. The output signal is phase-locked to the frequency determined by the components, making it highly stable and accurate.In operation, the SIT8208AC-21-25E-37.500000Y oscillator uses an integrated circuit (IC) with external components attached to create a consistent oscillation frequency. The IC contains an amplifier with two outputs and a transistor. An inductor is connected to one of the amplifier outputs, and a capacitor is connected to the other output. When power is supplied to the IC, the capacitor frequency is adjusted by changing the inductor\'s value, and the output of the amplifier is connected to the transistor. The output of the transistor is connected to the inductor, and the capacitor is then alternately charged and discharged, creating an oscillation at the frequency set by the values of the inductor and capacitor.The SIT8208AC-21-25E-37.500000Y oscillator also features a frequency pre-scaling terminal (FSP) that allows the user to select a pre-defined frequency range or to divide the frequency of the oscillator. This frequency pre-scaling feature can be used for frequency adjustment, frequency selection, and frequency division depending on the application.

Conclusion

The SIT8208AC-21-25E-37.500000Y oscillator is a widely used oscillator used in numerous application fields, including communications systems, consumer electronics, and test and measurement systems. Its wide frequency range and narrowband signal make it a suitable solution for many applications. It is highly stable and temperature compensated, making it reliable and accurate in operation. The SIT8208AC-21-25E-37.500000Y oscillator is based on the oscillator feedback principle, allowing it to generate a steady and periodic waveform. The frequency pre-scaling feature also allows for frequency adjustment, selection, and division when needed.

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