SIT8009BCT31-25S

Series:	SiT8009B
Part Status:	Active
Base Resonator:	MEMS
Type:	XO (Standard)
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	115MHz ~ 137MHz
Function:	Standby
Output:	HCMOS, LVCMOS
Voltage - Supply:	2.25 V ~ 2.75 V
Frequency Stability:	±20ppm
Frequency Stability (Total):	±20ppm
Operating Temperature:	-20°C ~ 70°C
Spread Spectrum Bandwidth:	--
Current - Supply (Max):	6.4mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Height:	0.032" (0.80mm)
Current - Supply (Disable) (Max):	4.2mA

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Programmable Oscillators

Programmable oscillators are ideal for many applications in electronics, such as timing control, data transmission, and control of multiple devices. The SIT8009BCT31-25S is a programmable oscillator (also known as a voltage-controlled oscillator or VCO) that provides significant improvements in flexibility and performance over traditional oscillators. This article provides an overview of the SIT8009BCT31-25S, its application field, and its working principle.The SIT8009BCT31-25S is a relatively new type of oscillator, with a wide applicable frequency range. It can provide frequencies up to 25MHz with a single tuning voltage. This makes the oscillator ideal for a variety of consumer, automotive, military, and industrial applications.The SIT8009BCT31-25S is composed of several components. It consists of an oscillator core composed of an inverter, programmable logic devices, a voltage-controlled oscillator, and two control inputs. The oscillator core oscillates at a fixed frequency determined by the tuning voltage. The programmable logic device determines the frequency of the oscillator and has two inputs that can be adjusted to customize the oscillator frequency for the application.The SIT8009BCT31-25S has an integrated bias circuit that allows the oscillator to start up without a manual adjustment of the tuning voltage. The circuit consumes very little power and offers low jitter and temperature coefficient of frequency. Additionally, the oscillator has a low spectral noise and meets environmental requirements for shock, vibration, and temperature.The SIT8009BCT31-25S is reliable and has low drift in its frequency accuracy. It is also designed to meet high safety standards and is compliant with UL, CSA, TUV, IEC, and other international standards.The working principle of the SIT8009BCT31-25S begins with an oscillator core and an output signal that is generated by the oscillator. This signal is then fed into the programmable logic device, which reads the input signals and adjusts the frequency of the oscillator accordingly. The output signal is then amplified or attenuated depending on the signal level and frequency determined by the programmable logic device.The signal level and frequency of the oscillator are set using two types of tuning voltage. The first type is a DC voltage, which is used to determine the initial frequency of the oscillator. The second type is an AC voltage, which is used to tune the frequency of the oscillator once it is initially set.Once the SIT8009BCT31-25S is tuned, its frequency is maintained within the predetermined limits by tracking the changes in the tuning voltage. The oscillator maintains a relatively constant phase and power consumption over a wide range of frequencies and temperatures.The SIT8009BCT31-25S is an ideal oscillator for many applications. It offers improved flexibility, performance, and accuracy, while also meeting stringent safety and environmental requirements. It is reliable, consumes very little power, and is suitable for a variety of applications.

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