SIT1602BC-21-33N-74.250000G

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	--
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:	3.3V
Output:	HCMOS, LVCMOS
Function:	--
Frequency:	74.25MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

SIT1602BC-21-33N-74.250000G is a type of oscillator, which is used for a variety of applications in the fields of consumer electronics, automotive electronics, and telecoms. The oscillator is capable of generating a consistent frequency with minimal noise and drift, hence making it suitable for a wide variety of applications.

Applications

The SIT1602BC-21-33N-74.250000G oscillator is a relatively popular device, due to its wide range of possible applications. Some of its main uses include:

• As a clock source for digital systems, particularly in embedded systems used in automotive systems, as well as computer systems.
• As a high frequency/precise source of frequency for radio and telecommunications.
• As an active filter in audio signals, thanks to its low phase noise characteristics.
• As part of high frequency circuits used to generate the signals used in WLAN and WiFi networks.

Working Principle

The SIT1602BC-21-33N-74.250000G oscillator operates on the principle of overtone crystal oscillation. This is achieved by incorporating a piezoelectric crystal in the oscillator circuit, which generates harmonic signals. The crystal is then connected to an amplifier, which boosts the amplitude of the signal so that it can drive the circuit; the amplifier also has negative feedback, which is used to regulate the frequency of the oscillations.In normal operation, the oscillator produces an output that is in phase with the input signal. This output can be used for various applications, including clock generation or as a frequency reference. Additionally, it can be used as an active filter, helping to reduce noise in any circuit or signal.

Conclusion

The SIT1602BC-21-33N-74.250000G is a versatile and popular oscillator, used in a wide range of applications. It operates on the principle of overtone crystal oscillation, which uses a piezoelectric crystal to generate harmonic signals, which are then amplified and regulated by an amplifier with negative feedback. Its precise frequency output make it suitable for use as a clock source, filtering circuit, and as a frequency reference.

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