SIT1602BC-21-33N-35.840000G

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:	35.84MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electronic devices that generate alternating current (AC). They are widely used for a variety of applications including signal generation, clocks and timing, frequency control, synchronized circuits, analog-to-digital conversion and frequency synthesizers. This article is about SIT1602BC-21-33N-35.840000G, an oscillator designed for frequency control and other timing and instrumentation applications.

SIT1602BC-21-33N-35.840000G Overview

The SIT1602BC-21-33N-35.840000G is an air-cavity voltage-controlled oscillator (VCO) designed for radio frequency (RF) and baseband applications. It features a low noise output, low power consumption and excellent frequency stability. The VCO has a highly linear frequency-to-voltage (FET) response over a wide range of frequencies and can be used to generate frequencies from 50 MHz to 5 GHz. It offers an adjustable output frequency range of 10MHz to 4GHz with a low noise floor. In addition, the VCO has excellent linearity over temperature, excellent linearity over voltage, low phase noise, low additive phase jitter and excellent temperature stability.

SIT1602BC-21-33N-35.840000G Application Field and Working Principle

The SIT1602BC-21-33N-35.840000G oscillator is mainly used in the fields of baseband signal generation, precision frequency control, phase locked loop frequency synthesis and high-speed analog-to-digital converter applications. It is suitable for high-end communication, instrumentation, radar, satellite, and wireless communication systems.The working principle of the SIT1602BC-21-33N-35.840000G oscillator follows the same basic principle as all VCOs. It consists of a voltage-controlled resonant cavity in which a frequency-dependent reactance is produced by a voltage applied to varactor diodes. The frequency of oscillation is determined by the applied voltage and the reactance of the cavity. The VCO also uses a voltage-controlled negative resistance circuit for current biasing and input impedance matching. This ensures that a stable frequency of oscillation is maintained regardless of the applied voltage, temperature or load conditions. In addition, the VCO is designed for superior linearity over temperature and input voltage.

Conclusion

The SIT1602BC-21-33N-35.840000G oscillator provides a high linearity over temperature, voltage and load conditions. It can be used for precision frequency synthesis and signal generation in the demanding fields of communication, instrumentation, satellite and wireless communication systems. With its low power consumption and excellent frequency stability, the VCO is an ideal choice for these applications.

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