High-precision high-linearity digital-analoge mixed signal loop pressure control oscillator
A technology of voltage-controlled oscillator and digital-analog mixing, which is applied in the field of phase-locked loops, and can solve problems such as speeding up the locking speed, digital coarse adjustment or digital preset accuracy is not high, and reduces
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0022] figure 1 It is a block diagram of a high-precision and high-linearity digital-analog mixed-signal loop voltage-controlled oscillator proposed by the present invention, which has an analog voltage input terminal Ca; digital input terminals C0', C0, C1, C2, Cn; oscillating signal output terminals Fout, Fout. The input digital signals of the digital input terminals C0', C0, C1, C2...Cn pass through the internal control circuit, so that the voltage-controlled oscillator outputs a signal frequency that is very close to the expected signal frequency. Due to the quantization error of the digital signal, the signal frequency and There will be a certain error in the expected signal frequency. This frequency error is converted into an error voltage through the phase-locked loop, and then through the analog signal input terminal Ca, the voltage-controlled oscillator is controlled to make its output frequency closer to the expected frequency, and so on. Ultimately locks onto the e...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com