UMZ-268-D16-G

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Voltage Controlled Oscillators, or VCOs, are a type of oscillator circuit that has a variable frequency or output that can be varied by changing the amplitude of an input voltage. The most common type of VCO is the analog type, which uses an amplifier, an oscillator, and a control element such as a variable resistor or potentiometer to adjust the frequency.The UMZ-268-D16-G is a Voltage Controlled Oscillator designed with the technology of thin-film multi-layer ferrite substrate. This type of VCO offers a wide range of frequency adjustment with minimal parts and space requirements. It features an input voltage range of 4.5 to 5.5V, with a frequency output range of 400kHz to 2.4GHz. It also has a low power consumption of less than 1 Watt and a high immunity to temperature variations.The UMZ-268-D16-G is capable of providing wideband oscillation control and uniform signal amplitude, making it ideal for use in applications such as radio communications and signal processing. It is also suitable for low-noise system voltage regulation, signal synchronization, and test signal generation.The working principle of the UMZ-268-D16-G is based on a closed-loop oscillation model. This type of model utilizes a feedback loop consisting of an amplifier, resonator, power supply, control device, and feedback path. The input signal is amplified in the amplifier and sent to the resonator. The resonance of the resonator produces an output signal that is compared with the original input signal. The difference between the two signals is used to adjust the oscillation frequency.To ensure proper functioning, the UMZ-268-D16-G is supplied with bias voltage between 4.0 to 5.5V. The bias voltage is used to control the small current flowing through the varactor diode. When the bias voltage is increased, the capacitance of the varactor diode increases, and this increases the oscillation frequency. Conversely, when the voltage is decreased, the oscillation frequency is also decreased.The UMZ-268-D16-G has an output impedance of 200 ohms for single-ended output or 100 ohms for differential output. Its operating temperature range is -10°C to 70°C, and it is compatible with a variety of operating systems such as Windows and Linux.In summary, the UMZ-268-D16-G is a type of Voltage Controlled Oscillator which utilizes an amplifier, filter, resonator, and varactor diode to provide a wide range of frequency output that can be adjusted by varying the amplitude of an input voltage. It is suitable for applications such as communications and signal processing, voltage regulation, signal synchronization, and test signal generation, and is capable of providing wideband oscillation control and uniform signal amplitude.

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