SIT1602BI-12-18S-38.000000G

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	1.3µA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	SiT1602B
Voltage - Supply:	1.8V
Output:	HCMOS, LVCMOS
Function:	Standby (Power Down)
Frequency:	38MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

SIT1602BI-12-18S-38.000000G application field and working principle

Oscillators refer to any device or system of which the output is repetitive and continuous, and the output frequency and other parameters can be changed by the circuit parameters or external control signals. The SIT1602BI-12-18S-38.000000G is a type of oscillator designed to generate periodic waveforms. It is mainly used in the fields of communication, navigation, traditional precision measurement, medical equipment, and other fields that require electric wave excitation for operation.The SIT1602BI-12-18S-38.000000G is a crystal oscillator consisting of a quartz crystal and an amplifier. The quartz crystal vibrator is usually an AT cut quartz crystal. It has a high Q value and an excellent frequency stability over a wide temperature range. The quartz crystal resonates at a certain frequency and can be considered as a frequency-determining element. The other components are connected to the quartz crystal in a Colpitts circuit or an equivalent circuit to maintain a stable oscillation.The working principle of the SIT1602BI-12-18S-38.000000G oscillator is based on the positive feedback principle. There is an input circuit composed of several RC combinations and an amplifier. The combination of the resistor, capacitor and amplifier forms a positive feedback loop. There is also a part of the output signal that is sent back to the input of the amplifier. As the output signal is repeatedly amplified, it increases gradually until a oscillation is produced, and the frequency is determined by the factors in the positive feedback loop. By adjusting the resistance or capacitance of the input circuit conduction loop, the intrinsic frequency of the oscillator can be changed.The design of the output drive circuit of the SIT1602BI-12-18S-38.000000G oscillator is mainly to improve the operating impedance and obtain a sufficient output current. Generally speaking, a buffer circuit composed of a transistor, a transformer or an operational amplifier is used. The buffer amplifier not only increases the impedance and improves the signal-to-noise ratio, but also improves the pulse performance. The selection and matching of the output drive components are also critical for the oscillator to ensure its stability, performance and environmental adaptability.SIT1602BI-12-18S-38.000000G oscillator has the advantages of small size, low power consumption, low temperature drift, large frequency range and low cost. It is widely used in various fields and equipment due to its unique design and stable performance. In addition, SIT1602BI-12-18S-38.000000G oscillator provides various options for external load capacitance and supply voltage, covering a variety of frequency range and convenient for different applications.

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