SIT1602BC-21-XXE-25.000000G

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	4.2mA
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):	4.5mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT1602B
Voltage - Supply:	2.25 V ~ 3.63 V
Output:	HCMOS, LVCMOS
Function:	Enable/Disable
Frequency:	25MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are important components in electronic circuits. They are designed to generate repetitive signals in a stable and continuous manner. They are commonly used in many applications, such as in computers, communication systems, radio communications, and telecommunications. One type of oscillator, the SIT1602BC-21-XXE-25.000000G, is especially designed for such applications. It is a temperature-compensated crystal oscillator (TCXO), and is widely used in industries and the military.

Application Fields

The SIT1602BC-21-XXE-25.000000G is designed for use in mobile phones, GPS receivers, military communication devices, base stations, and WLAN access points. It is also employed in both S-band and P-band microwave transceivers. The oscillator operates in a wide temperature range (−40 °C to +85 °C) and can maintain excellent performance under extreme temperature conditions. It has a frequency range of 16 MHz to 25 MHz with ±1.2 ppm tolerance and precision, which makes it well suited for precision timing applications.

Working Principle

The SIT1602BC-21-XXE-25.000000G oscillator works on the principle of a temperature-compensated crystal oscillator (TCXO). It uses a quartz crystal resonator as the oscillator element and temperature compensation to maintain accurate frequency over a wide temperature range. The oscillator circuit consists of an amplifier, a band-pass filter, a voltage-controlled oscillator (VCO), and a voltage-divider network. The oscillator works by generating an AC signal from the quartz crystal, which is amplified and filtered by the amplifier, VCO, and the voltage-divider network. The frequency of the signal is then temperature-compensated and controlled by an external temperature sensor.

Conclusion

The SIT1602BC-21-XXE-25.000000G oscillator is a temperature-compensated crystal oscillator (TCXO) that is designed for use in mobile phones, GPS receivers, military communication devices, base stations, and WLAN access points. It is capable of operating over a wide temperature range (−40 °C to +85 °C) with excellent frequency stability (±1.2 ppm tolerance and precision). The oscillator works on the principle of a quartz crystal resonator, which is temperature-compensated and controlled by an external temperature sensor. It is widely used in industries because of its high level of performance and accuracy.

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