{"query": "Varactor — tuning by voltage", "count": 20, "results": [{"id": "card_n_f9e74aa145cc", "title": "Varactor — tuning by voltage", "shelf": "science", "surface": "secular", "snippet": "A reverse-biased junction is a capacitor whose plates move with voltage — so voltage\ntunes frequency. The law that seals is exact: since f ∝ 1/√C, halving the capacitance raises\nthe frequency by exact"}, {"id": "card_c_106861f9474c", "title": "Varactor — tuning by voltage ↔ Oscillator — LC resonance, the bench's own S", "shelf": "connections", "surface": null, "snippet": "since f ∝ 1/√C, halving the capacitance raises the frequency by exactly √2  — a concord the card itself states; mined + verified."}, {"id": "card_src_book_17571", "title": "Piano Tuning: A Simple and Accurate Method for Amateurs — J. Cree (Jerry Cree) Fischer", "shelf": "gutenberg", "surface": "secular", "snippet": "Piano Tuning: A Simple and Accurate Method for Amateurs, by J. Cree (Jerry Cree) Fischer. Subjects: Piano -- Tuning. Read the full text (public domain): https://www.gutenberg.org/ebooks/17571"}, {"id": "card_c_b432c299ac6e", "title": "Varactor — tuning by voltage ↔ Electronics — the resonant chain, from Ohm's", "shelf": "connections", "surface": null, "snippet": "since f ∝ 1/√C, halving the capacitance raises the frequency by exactly √2 ... and the tempting error 'halving C halves f' seals BROKEN with residual √2 − 1/2  — a concord the card itself states; mine"}, {"id": "card_src_word_voltage_divider", "title": "voltage divider", "shelf": "dictionary", "surface": "secular", "snippet": "voltage divider: (noun) resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage — syn: potential divider"}, {"id": "card_src_word_cockcroft_walton_voltage_multiplier", "title": "cockcroft-walton voltage multiplier", "shelf": "dictionary", "surface": "secular", "snippet": "cockcroft-walton voltage multiplier: (noun) a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube — syn: Cockcroft and Wa"}, {"id": "card_src_word_cockcroft_and_walton_voltage_multiplier", "title": "cockcroft and walton voltage multiplier", "shelf": "dictionary", "surface": "secular", "snippet": "cockcroft and walton voltage multiplier: (noun) a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube — syn: Cockcroft an"}, {"id": "card_src_book_57354", "title": "Theory and Practice of Piano Construction With a Detailed, Practical Method for Tuning — William Braid White", "shelf": "gutenberg", "surface": "secular", "snippet": "Theory and Practice of Piano Construction With a Detailed, Practical Method for Tuning, by William Braid White. Subjects: Piano -- Tuning; Piano -- Construction. Read the full text (public domain): ht"}, {"id": "card_src_word_voltage_regulator", "title": "voltage regulator", "shelf": "dictionary", "surface": "secular", "snippet": "voltage regulator: (noun) a transformer whose voltage ratio of transformation can be adjusted"}, {"id": "card_src_word_voltage_drop", "title": "voltage drop", "shelf": "dictionary", "surface": "secular", "snippet": "voltage drop: (noun) a decrease in voltage along a conductor through which current is flowing"}, {"id": "card_src_word_low_voltage", "title": "low-voltage", "shelf": "dictionary", "surface": "secular", "snippet": "low-voltage: (adjective) subjected to or capable of operating under relative low voltage — syn: low-tension"}, {"id": "card_src_word_high_voltage", "title": "high-voltage", "shelf": "dictionary", "surface": "secular", "snippet": "high-voltage: (adjective) operating on or powered by a high voltage — syn: high-potential · (adjective) vigorously energetic or forceful — syn: high-octane, high-powered, high-power, high-energy"}, {"id": "card_src_word_tuning", "title": "tuning", "shelf": "dictionary", "surface": "secular", "snippet": "tuning: (noun) (music) calibrating something (an instrument or electronic circuit) to a standard frequency"}, {"id": "card_src_word_tuning_fork", "title": "tuning fork", "shelf": "dictionary", "surface": "secular", "snippet": "tuning fork: (noun) a metal implement with two prongs that gives a fixed tone when struck; used to tune musical instruments"}, {"id": "card_src_word_potential_divider", "title": "potential divider", "shelf": "dictionary", "surface": "secular", "snippet": "potential divider: (noun) resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage — syn: voltage divider"}, {"id": "card_src_word_cockcroft_walton_accelerator", "title": "cockcroft-walton accelerator", "shelf": "dictionary", "surface": "secular", "snippet": "cockcroft-walton accelerator: (noun) a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube — syn: Cockcroft and Walton ac"}, {"id": "card_src_word_cockcroft_and_walton_accelerator", "title": "cockcroft and walton accelerator", "shelf": "dictionary", "surface": "secular", "snippet": "cockcroft and walton accelerator: (noun) a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube — syn: Cockcroft-Walton ac"}, {"id": "card_src_word_voltage", "title": "voltage", "shelf": "dictionary", "surface": "secular", "snippet": "voltage: (noun) the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts — syn: electromotive force, emf · (noun) the difference in electric"}, {"id": "card_src_rfc_7363", "title": "RFC7363 — Self-Tuning Distributed Hash Table (DHT) for REsource LOcation And Discovery (RELOAD)", "shelf": "rfcs", "surface": "secular", "snippet": "RFC7363: Self-Tuning Distributed Hash Table (DHT) for REsource LOcation And Discovery (RELOAD) (September 2014). Status: PROPOSED STANDARD."}, {"id": "card_src_word_high_potential", "title": "high-potential", "shelf": "dictionary", "surface": "secular", "snippet": "high-potential: (adjective) operating on or powered by a high voltage — syn: high-voltage"}]}