SIT3808AI-D2-33EE-27.000000T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	70µA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT3808
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	27MHz
Type:	MEMS VCXO
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators are electronic circuits capable of producing a repetitive signal, typically a sine wave. The SIT3808AI-D2-33EE-27.000000T is a type of oscillator circuit specifically designed for frequency control over a wide range of frequencies including Audio, UHF, VHF, and C-band. This oscillator has a wide temperature range and operates in both AC and DC applications.

The SIT3808AI-D2-33EE-27.000000T oscillator is a voltage-controlled oscillator circuit designed for wideband frequency applications from low-frequency audio to high-frequency radio frequencies. The oscillator utilizes an on-chip oscillator circuit and an external resistor-capacitor network to implement a phase-locked loop (PLL) frequency control circuit. The circuit operates in a voltage-controlled oscillator mode and is capable of producing stable and predictable frequencies over a wide range of input voltage levels.

The circuit is typically used in a variety of electronic applications ranging from cell phones, base stations, digital radio systems, wireless networking, navigation systems, and satellite communication systems. Its ability to operate over a wide temperature range while providing stable frequencies makes it an ideal choice for the applications mentioned above. Additionally, the frequency can be controlled over a wide range through the use of digital logic control, or analog control input.

The working principle of the SIT3808AI-D2-33EE-27.000000T oscillator is based on the voltage-control characteristic of the circuit. The oscillator uses an external resistor-capacitor network to generate a frequency-controlled sawtooth waveform. The sawtooth waveform is applied to the control input of the oscillator, and the output is a stable frequency based on the voltage applied to the control input.

In addition to the on-chip oscillator circuit, the SIT3808AI-D2-33EE-27.000000T oscillator includes a voltage-controlled phase detector and an amplifier. The phase detector is used to monitor the phase of the incoming signal and to compare it to the output of the oscillator. If the phase of the output signal differs from that of the incoming signal, the output is adjusted to match the incoming frequency.

The amplifier is used to amplify the sawtooth waveform generated by the resistor-capacitor network. This amplifies the signal and ensures that the output frequency is consistent over a wide range of temperatures. The amplifier also allows the external circuitry to adjust the reference frequency of the oscillator by varying the voltage applied to the input.

The SIT3808AI-D2-33EE-27.000000T oscillator is a highly precise and reliable frequency-control circuit and is extensively used in a wide range of electronic applications. Its capability to maintain precise and stable frequencies over a wide temperature range makes it an ideal choice for most applications that require frequency control over a wide range of frequencies.

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