SIT1602BC-32-18S-74.176000Y

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	1.3µA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT1602B
Voltage - Supply:	1.8V
Output:	HCMOS, LVCMOS
Function:	Standby (Power Down)
Frequency:	74.176MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

SIT1602BC-32-18S-74.176000Y is an oscillator which belongs to the "oscillator" category. An oscillator is an electronic circuit that produces an alternating current (AC) or signal at a certain frequency. The frequency of the oscillations depends on the components of the oscillator circuit, as well as other external factors like temperature, power supply and load. The SIT1602BC-32-18S-74.176000Y is designed to offer high precision and reliable performance.

Application Field

The SIT1602BC-32-18S-74.176000Y oscillator is widely used in applications such as frequency synthesis, modems, audio applications, medical equipment, GPS systems, and communications equipment. This type of oscillator has also been increasingly deployed in RF and microwave applications, including digital radios, satellite communications, defense systems, as well as industrial and medical applications where stable frequency and long-term reliability are key factors. In frequency synthesizers, for instance, SIT1602BC-32-18S-74.176000Y oscillators can be used to generate signals with frequencies ranging from around 500 kHz up to around 80 GHz, making these reliable devices suitable for a multitude of communication networks, radios and wireless systems.

Working Principle

The SIT1602BC-32-18S-74.176000Y oscillator works on the positive feedback principle, with the output of the oscillator feeding back to its input. A basic oscillator circuit is constructed of an amplifier combined with a feedback circuit. The feedback circuit provides a portion of the output signal back to the input of the amplifier, which then responds by producing an output signal at the same frequency as the feedback signal. The SIT1602BC-32-18S-74.176000Y oscillator utilizes this effect to produce a stable output frequency. It is created by integrating a voltage-controlled oscillator (VCO) with a voltage-to-frequency converter (VFC) in a single monolithic oscillator. The VFC converts the applied voltage to a precise frequency, while the VCO fine-tunes the frequency output to the required value. This ensures an accurate output frequency and high stability over temperature shifts and long-term aging. This device offers an output frequency range of 0.6 to 3.8 GHz, is compatible with various technologies including CMOS, SiGe and GaAs, and supports a wide temperature range of -55 to +125°C. It also offers low phase jitter and fast start-up time (least 50 ns). These features make the SIT1602BC-32-18S-74.176000Y an ideal choice for a number of applications requiring a precise and stable output signal.

Conclusion

The SIT1602BC-32-18S-74.176000Y oscillator offers high precision and reliable performance, making it well suited for applications such as frequency synthesis, modems, audio applications, medical equipment, GPS systems, digital radios, satellite communications, communications equipment and more. This device utilizes a positive feedback principle to generate a stable output frequency. It features a wide frequency range, low phase jitter, fast start-up time, and wide temperature range to offer excellent performance and reliability.

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