SIT9005ACE1G-33DH

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
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):	6.5mA
Spread Spectrum Bandwidth:	-2.1%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Introduction
Programmable Oscillators are used to generate a continuous range of sine wave frequencies. They are widely used in RF (Radio Frequency) and microwave applications, from broadcast transmission, to wireless communication and radar systems. The SIT9005ACE1G-33DH is a programmable oscillator that is widely used for such purposes. This article will discuss the application field and working principle of the oscillator.

Application Field
The SIT9005ACE1G-33DH is commonly used in broadcast transmission, wireless communications, radar and satellite communication systems. This oscillator is also widely used in avionics, aerospace and defense, marine and oceanic communication systems, medical imaging, and instrumentation. Additionally, this oscillator is suited for use in creating equalizers and filters, modems and receivers, oscilloscopes, and test equipment. Owing to its high level of stability over a wide temperature range, the SIT9005ACE1G-33DH is ideal for use in applications where the oscillator must be able to withstand extreme environmental conditions.

Working Principle
The SIT9005ACE1G-33DH is a programmable oscillator that works on the principle of frequency synthesis. It uses multiple VCOs (voltage-controlled oscillators) to produce a frequency that is in the range of a few hundred MHz to several GHz. The oscillator consists of two VCOs, each of which has its own frequency control inputs. This allows the user to program many different frequency combinations, depending on their application. The oscillator then synthesizes the two different frequencies by using a phase-locked loop (PLL) circuit. This produces a smooth, stable output frequency over a wide temperature range. The output frequency can then be adjusted by modifying the control voltage for each VCO in the circuit.

Conclusion
The SIT9005ACE1G-33DH is a programmable oscillator that is widely used in RF, microwave and broadcast applications. It uses multiple VCOs to produce a wide range of frequencies, and is suited for applications that require stability over a wide temperature range. The oscillator works on the principle of frequency synthesis, using a PLL circuit to create a smooth, stable output. As such, this oscillator is ideal for use in a variety of applications, from broadcast transmission, to wireless communication and radar systems.

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