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A variable frequency oscillator (VFO) in electronics is an oscillator whose frequency can be tuned (i.e., varied) over some range. It is a necessary component in any tunable radio transmitter and in receivers that work by the superheterodyne principle. The oscillator controls the frequency to which the apparatus is tuned.
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frequency vfo digital signal oscillator radio noise stability also tuned phase reference output signals tuning transmitter receiver frequencies used vfo's
TTTA extracted 8 structured relationships around Variable-frequency oscillator. Examples in this analysis include the preamplifier → instance of → the sections before the mixer and the inability of a digital synthesiser to tune smoothly through all frequencies → instance of → Extreme frequency agility lies at the heart of spread spectrum techniques that have gained mainstream acceptance in computer wireless networking such as Wi-Fi.There are disadvan…. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| the preamplifier | instance of | the sections before the mixer | 0.80 | text |
| the inability of a digital synthesiser to tune smoothly through all frequencies | instance of | Extreme frequency agility lies at the heart of spread spectrum techniques that have gained mainstream acceptance in computer wireless networking such as Wi-Fi.There are disadvan… | 0.80 | text |
| but with the channelisation of many radio bands | instance of | Extreme frequency agility lies at the heart of spread spectrum techniques that have gained mainstream acceptance in computer wireless networking such as Wi-Fi.There are disadvan… | 0.80 | text |
| this can also be seen as an advantage in that it prevents radios from operating in between two recognised channels.Digital frequency synthesis relies on stable crystal controlled reference frequency sources | instance of | Extreme frequency agility lies at the heart of spread spectrum techniques that have gained mainstream acceptance in computer wireless networking such as Wi-Fi.There are disadvan… | 0.80 | text |
| TDMA cellular networks | instance of | although in high accuracy applications | 0.80 | text |
| atomic clocks such as the Rubidium standard are as of 2018 also common.Because of the stability of the reference used | instance of | although in high accuracy applications | 0.80 | text |
| digital oscillators themselves tend to be more stable | instance of | although in high accuracy applications | 0.80 | text |
| more repeatable in the long term | instance of | although in high accuracy applications | 0.80 | text |
The concept neighborhoods around Variable-frequency oscillator bring nearby vocabulary together. In this analysis, examples include Vfo, Control and Tuned. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Variable-frequency oscillator, one of the stronger structural bridges in this analysis connects Variable-frequency oscillator with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Variable-frequency oscillator to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Purpose, Performance & Types, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Variable-frequency oscillator · EN edition · Analysis: TopicsToTalkAbout