This post describes for the Oscillator LTC6990.
The Part Number is LTC6990.
The function of this semiconductor is Voltage Controlled Silicon Oscillator.
The manufacturer of this part is Linear Technology.
See the preview image and the PDF file for more information.
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Description:
The LTC6990 is a precision silicon oscillator with a programmable frequency range of 488Hz to 2MHz. It can be used as a fixed-frequency or voltage-controlled oscillator (VCO). The LTC6990 is part of the TimerBlox™ family of versatile silicon timing devices. Optionally, a second resistor at the SET input provides linear voltage control of the output frequency and can be used for frequency modulation. A narrow or wide VCO tuning range can be configured by the appropriate selection of the two resistors.
Applications
1. Low Cost Precision Programmable Oscillator
2. Voltage-Controlled Oscillator
3. High Vibration, High Acceleration Environments
4. Replacement for Fixed Crystal and Ceramic Oscillators
5. Portable and Battery-Powered Equipment
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