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Topics referred to by the same term
VCO may refer to: Veterinary Corps Officer, see Veterinary corps (disambiguation) Viceroy's commissioned officer, British Indian Army role (1885–1947)
VCO
Electronic control system
hence the term voltage-controlled oscillator (VCO). The phase detector compares the phase of the VCO's output signal with the phase of periodic input
Phase-locked_loop
Oscillator with frequency controlled by a voltage input
A voltage-controlled oscillator (VCO) is an electronic oscillator whose oscillation frequency is controlled by a voltage input. The applied input voltage
Voltage-controlled_oscillator
Assistive operator service
variations of VCO, including two-line VCO and VCO with privacy. The operator will not hear the VCO user's voiced messages and the VCO user does not need
Telecommunications relay service
Telecommunications_relay_service
Polish clothing company
the VCO joint-stock company. Its headquarters are located in Bydgoszcz, Poland. The brand specializes in the casual and sportswear. The company VCO, and
Volcano_(brand)
Electronic musical instrument
voltage-controlled amplifiers (VCAs). Moog developed a prototype with two VCOs and a VCA. As the VCOs could output voltage, one could be used to modulate the output
Moog_synthesizer
Analog synthesizer, manufactured by Korg from 1981 to 1984
Korg Polysix, as a complementary synth, The Mono/Poly is equipped with four VCOs and can operate as a four-voice paraphonic synth with limited capabilities
Korg_Mono/Poly
}}_{vco}(t)=\omega _{vco}(t)=\omega _{vco}^{\text{free}}+K_{vco}v_{F}(t),\end{aligned}}} where ω v c o free {\displaystyle \omega _{vco}^{\text{free}}} is the VCO free-running
Charge-pump_phase-locked_loop
Arcade system boards produced by Sega
Trek: Strategic Operations Simulator (1983) VCO Object Named after the voltage-controlled oscillator (VCO). Also called the Sega Z80-3D System. Uses a
List of Sega arcade system boards
List_of_Sega_arcade_system_boards
Sound generating integrated circuit
advanced design for its era, including three voltage-controlled oscillator (VCO) tone generators (or "voices") that can be played at the same time to produce
Texas_Instruments_SN76477
Synthesizer made by Alesis between 2000 and 2010
combines a pure analog audio signal path with digital control technologies. The VCOs have a pitch correction function, a feature missing on older synthesizers
Alesis_Andromeda_A6
British racing driver (born 2003)
Daytona 24 Hours in GTE and winning the VCO ProSIM Series title at the end of the year. After winning the VCO Esports Racing World Cup the following year
Chris_Lulham
Phase-locked loop-based demodulator circuit
{x}}=Ax+bf_{ref}(\theta _{ref}(t))f_{vco}(\theta _{vco}(t)),&{\dot {\theta }}_{vco}=\omega _{vco}^{free}+K_{vco}c^{*}x.\end{array}}} The system is non-autonomous
Costas_loop
Musical synthesizer
1978. Unlike its bigger brother, the Korg MS-20, the MS-10 only has one VCO, one VCF and one envelope generator. It is monophonic and has 32 keys. The
Korg_MS-10
Senior Indian member of the British Indian Army
A viceroy's commissioned officer (VCO) was a senior Indian member of the British Indian Army. VCOs were senior in rank to warrant officers in the British
Viceroy's commissioned officer
Viceroy's_commissioned_officer
Electronic musical instrument
representing different modules of an analog synthesizer. Audio frequency VCOs, LFOs, VCFs, and sequencers are some of the commonly used tangibles. There
Reactable
Monophonic analogue synthesizer
featured a 32-note keyboard and two VCOs. VCO number 2 is tunable between a half-step below to an octave above VCO number 1. This allows the Rogue to play
Moog_Rogue
Circuit
toggled between the two values so that the VCO alternates between one locked frequency and the other. The VCO stabilizes at a frequency that is the time
Frequency_divider
Parameter of phase-locked loop engineering
concept: If, for some reason, the frequency difference between input and VCO is less than the loop bandwidth, the loop will lock up almost instantaneously
Phase-locked_loop_range
Standard that allows for the creation and modification of modular synthesizers
Retrieved 2022-11-14. says, Kenny (2012-10-26). "Voltage-Controlled Oscillator (VCO)". The Synthesizer Academy. Retrieved 2022-11-14. Austin, Kevin. "CEC — eContact
Eurorack
Polyphonic analog synthesizer
the ability to affect four-VCO unison when one key was pressed, two VCOs per voice when two keys were pressed, and one VCO per voice when three or four
Roland_Jupiter-4
Modular synthesizer, introduced the Eurorack standard
VCO A-110-2 – Basic VCO A-110-4 – Thru zero quadrature VCO A-110-6 – Trapezoid Thru Zero Quadrature VCO A-111-1 – High end VCO A-111-2 – High End VCO
Doepfer_A-100
Chewy, jelly-like food produced by fermenting coconut water
(1949). "The production of nata from coconut water". Unitas. 22: 60–100. "VCO still PH's top non-traditional coco export". Philippine Daily Inquirer. July
Nata_de_coco
Guitar synthesizer
a control voltage that would then be able to determine the pitch of the VCOs and trigger the envelope-controlled VCF, if enabled. This process required
Roland_GR-300
Edible oil derived from coconut
130–150 °C (266–302 °F) and adding salt or citric acid. Virgin coconut oil (VCO) can be produced from fresh coconut milk, meat, or residue. Producing it
Coconut_oil
Synthesizer
the cost of its contemporaries in the polysynth market. It includes one VCO per voice, enhanced by a suboscillator per voice plus chorus/ensemble effect
Korg_Polysix
Electronic circuit
DCOs were designed to overcome the tuning stability limitations of early VCO designs. The term "digitally controlled oscillator" has been used [citation
Digitally controlled oscillator
Digitally_controlled_oscillator
Polyphonic analog synthesizer
polyphonic voices with 2 voltage controlled oscillators (VCO) per voice, using the Curtis CEM3340 VCO integrated circuit. The unit also includes one voltage
Roland_MKS-80
Synthesizer
There were four different types: The Kobol Rack (Expander I) was only the VCO/VCF/VCA/LFO sections of the Kobol in a rack module. The Expander 2 was an
RSF_Kobol
Polyphonic analogue synthesizer
OB-X's ability to cross modulate (frequency modulation of the first VCO with the second VCO). Instead of the discrete circuits for oscillators and filters
Oberheim_OB-Xa
Monophonic analogue synthesizer
1973 to 1979 in response to the ARP Soloist and ARP Pro Soloist. It had one VCO. It was designed for use with any organ or sound system. The American company
Moog_Satellite
Sole, San Domenico di Varzo. Neveazzurra ski resort has implemented SkiArea VCO: a project of integrated access to the stations of Neveazzura resort, that
Neveazzurra
Electronic circuit
voltage-controlled oscillator (VCO) is initially tuned roughly to the range of the desired frequency multiple. The signal from the VCO is divided down using frequency
Frequency_multiplier
Synthesizer composed of separate modules
of complexity. Some examples include the voltage-controlled oscillator (VCO), which may have options for sync (hard or soft), linear or exponential frequency
Modular_synthesizer
Electronic system for generating any of a range of frequencies
the input of the VCO. Usually, the output of a frequency comparator is in the form of short error pulses, but the input of the VCO must be a smooth,
Frequency_synthesizer
Electronic musical instrument developed by ARP Instruments
the "ring modulator" is actually a logical exclusive-OR between the two VCOs' pulse waves.) Pulse-width can be modulated manually or with the LFO or the
ARP_Odyssey
Hamlet of Baceno, Italy
Pietre del VCO (10 September 2008). "Le mani e il sasso" (PDF). L'architettura moderna in età civile in Valle Antigorio. Pietre del VCO. Retrieved 21
Croveo
Lossy compression method for reducing the size of digital images
DCT (a 2D type-III DCT), which is given by: fx,y=14∑u=07∑v=07α(u)α(v)Fu,vcos[(2x+1)uπ16]cos[(2y+1)vπ16] where x is the pixel row, for the integers
JPEG
Electrical circuit detecting phase difference
filtered to control the phase-locked loop voltage-controlled oscillator (VCO). A type II detector is sensitive only to the relative timing of the edges
Phase_detector
Analogue modular synthesiser
synthesiser. They include bits such as a voltage-controlled oscillator (VCO), a keyboard and a light sensor. Wire bits are coloured orange and are used
LittleBits_Synth_Kit
1981 video game
October 1981 NA: January 1982 EU: 1982 ColecoVision November 1982 Intellivision January 1984 Genre Racing Mode Single-player Arcade system VCO Object
Turbo_(video_game)
A virtual community of practice (VCoP), also known as an online community of practice (OCoP), is a community of practice (CoP) that is developed and maintained
Virtual_community_of_practice
Community
not necessarily co-located. They can form a virtual community of practice (VCoP) where the CoP is primarily located in an online community such as a discussion
Community_of_practice
Analogue synthesizer series
oscillator (VCO), voltage-controlled filter (VCF), a simple gated voltage-controlled amplifier (VCA) and a low-frequency oscillator (LFO). The VCO and LFO
Monotron
Philippine personal care company
Manila Crispy Joy Coconut Water Control Extract VCO Hiyas Nutress Moondish Maxi-Peel Zero TheraHerb Tricks VCO Manila Splash Direct Sales Splash Classics Splash
Splash_Corporation
included the following modules: 701A – Keyboard controller 702A – VCO-1 702B – VCO-2 702C – VCO-3 703A – VCF-1 703B – VCF-2 703G – VCF (Block 8) 704A – VCA-1
Roland_System_700
Analog synthesizer
it a more portable instrument. V2.0 of the 2600P replaced ARP 4011/4017 VCO submodules with more reliable ARP 4027 submodules, and replaced unreliable
ARP_2600
Device which extracts info from a modulated radio frequency current or voltage
this system, a voltage-controlled oscillator (VCO) is phase locked by a feedback loop, which forces the VCO to follow the frequency variations of the incoming
Detector_(radio)
Monophonic analogue synthesizer
Technical specifications Polyphony Monophonic Timbrality 1 part Oscillator 1 VCO LFO Yes Synthesis type Analogue, subtractive Filter high pass, low pass Attenuator
Korg_miniKORG_700
Monophonic analogue synthesizer
is detachable. The Prodigy featured two Voltage Controlled Oscillators (VCOs), one with a sawtooth waveform, a triangle waveform, and a pulse waveform
Moog_Prodigy
Subtractive analogue bass synthesizer
voltage-controlled oscillators (VCO), a resonant low-pass voltage-controlled filter (VCF) and a voltage-controlled amplifier (VCA). The VCOs can be individually switched
Volca_Bass
Eight voice polyphonic analog synthesizer
played. Each voice has two VCOs, one VCA, one 24 dB/octave lowpass VCF, two LFOs, two ADSRs, noise generator, sync VCO 1 to VCO 2. The specs belie the complexity
Voyetra-8
Synthesizer that uses analog circuits
oscillators (VCOs), voltage-controlled filters (VCFs), and voltage-controlled amplifiers (VCAs). The control voltage varied frequency in VCOs and VCFs, and
Analog_synthesizer
Synthesizer
2s. At the 2016 winter NAMM show, Arturia announced the MatrixBrute, a 3 VCO analog synthesizer based on the MiniBrute. The MatrixBrute includes a Moog-style
Arturia_MiniBrute
Mean amplitude of a waveform in the time domain
amplifiers in order to regulate power. On a voltage-controlled oscillator (VCO), such as in a radio transmitter, selection of the center frequency of the
DC_bias
Polyphonic multi-orchestral synthesizer
distinct synthesizers within a single instrument: a polyphonic section with two VCOs, alongside dedicated String and Brass sections. The polyphonic synthesizer
Korg_Trident
Synthesizer made by Roland in the 1980s
8-voice polyphonic analog synthesizer. Each voice features two discrete VCOs with cross-modulation and sync, pulse-width modulation, a non-resonant high-pass
Roland_Jupiter-8
Analogue effects pedals
interior is actually a VCO that is modified by the input signal. The left hand side of the control panel for the FreqBox contains a VCO which has two knobs
Moogerfooger
Type of electronic circuit
and television sets. They are also used in voltage-controlled oscillators (VCOs), inverters and switching power supplies, dual-slope analog to digital converters
Electronic_oscillator
buffer, noninverting 20 MC74HC9035 74x9046 1 PLL with band gap controlled VCO 16 74HCT9046 74x9114 9 nine-wide inverter Schmitt trigger open-collector
List of 7400-series integrated circuits
List_of_7400-series_integrated_circuits
Oscillator whose frequency can be tuned over some range
oscillator (VCO) (described above in varactor under analog VFO techniques) and a phase detector, a control-loop can be set up so that the VCO's output is
Variable-frequency_oscillator
Analogue synthesizer
Matrix Modulation technology, the Xpander combined analog audio generation (VCOs, VCF and VCAs) with the flexibility of digital controls logic. The Xpander
Oberheim_Xpander
Polyphonic analogue synthesizer
synthesizer is the ability to modulate the filter's cutoff frequency using the VCO signal, resulting in timbres ranging from a slightly growly character to
Akai_AX60
German audio hardware manufacturer
modular system (quad-modules, like quad-VCO, quad-VCF...) 1982 Voice modular system (one synthesizer voice with 2 VCOs, 2ADSR, 1VCF, 1VCA[clarification needed]
Doepfer
Analogue keyboard synthesizer
the CS5, CS10 and CS15. It features two voltage controlled oscillators (VCOs), two voltage controlled filters (VCFs - both featuring low-pass, band-pass
Yamaha_CS30/CS30L_synthesizer
Synthesizer feature
Oscillator sync is a feature in some synthesizers with two or more VCOs, DCOs, or "virtual" oscillators. As one oscillator finishes a cycle, it resets
Oscillator_sync
Military personnel classification
VCOs, although their homeland Nepal was never a British colony.[citation needed] Under the British, there was a clear colonial context, with the VCOs
Junior_commissioned_officer
Type of diode
saturable-core reactors were used as electrically controllable reactances in the VCOs and filters of equipment like World War II German spectrum analyzers. Heterostructure
Varicap
American electronic music pioneer (1934–2005)
output current. With these, he created the voltage-controlled oscillator (VCO), which generates a waveform with a pitch that could be adjusted by changing
Robert_Moog
Monophonic analog synthesizer
monophonic analog synthesizer. It uses three voltage-controlled oscillators (VCOs) as sound sources. One oscillator could generate sine or sawtooth waves,
Steiner-Parker_Synthacon
Method for creating waveforms
and, within the PLL loop bandwidth, impresses this excess noise onto the VCO output. A DDS, on the other hand, reduces the reference clock phase noise
Direct_digital_synthesis
(VCO) is used by those people who are unable to hear or distinguish noises well over the telephone but prefer to use their voice to communicate. VCO telephone
Assistive Technology for Deaf and Hard of Hearing
Assistive_Technology_for_Deaf_and_Hard_of_Hearing
Synthesizers". Oocities (Geocities archives). Retrieved 2018-10-23. "Aelita 3-VCO rare vintage Soviet analog synthesizer". www.matrixsynth.com. Retrieved 2018-10-23
Aelita_(synthesizer)
Hair care product
Pet shampoo with VCO and mother of cocoa
Shampoo
Synthesizer
specifications Polyphony Monophonic Timbrality Monotimbral Oscillator 1 VCO with 3 simultaneously mixable waveforms : Pulse with PWM, Saw and Sub wave
Roland_SH-101
Improved phase-locked loop
synthesizer uses a PLL. In an all-digital PLL, a voltage-controlled oscillator (VCO) is controlled using a digital, rather than analog, control signal. The phase
PLL_multibit
Lithuanian theatre director
Palace, Lithuania ) "Arias from the Shower" (Congress Palace, Lithuania ) "VCO ROCK" (dir.G.Seduikis) (Sports Palace, Lithuania ) "Hansel and Gretel" Humperdinck
Dalia_Ibelhauptaitė
Japanese orbiter mission to Venus (2010–2024)
Akatsuki (あかつき, 暁; "Dawn"), also known as the Venus Climate Orbiter (VCO) and Planet-C, was a Japan Aerospace Exploration Agency (JAXA) space probe tasked
Akatsuki_(spacecraft)
Electronic circuit simulator software
Timers, Buffers, CDAs, Modulators, A/D converters & D/A converters, PLL, VCO Relays Control relay, SPST, DPDT, Individual contacts and coils (enable creation
CircuitLogix
Analogue modular synthesizer
waveshaper Gate (VCA) Ring modulator Envelope generator (weird ASR) Oscillator (VCO with waveshaper) Dual negative slew Dual positive slew Triple comparator
Serge_synthesizer
Analogue semi-modular synthesizer
specifications Polyphony monophonic (with paraphonic mode) Oscillator two VCOs LFO LFO with five waveforms Synthesis type analog subtractive Filter multi-mode
Neutron_(synthesizer)
Analogue synthesizer
sixteen synthesizer channels consist of one voltage-controlled oscillator (VCO), waveshaper, filter, and amplifier under software control via multiplexed
Rhodes_Chroma
Monophonic analog synthesizer
modulation (labeled "Bell Tone"), which is actually amplitude modulation of VCO 1 and 2 Polyphonic oscillator. This is a divide-down, square wave generator
Realistic_Concertmate_MG-1
Italian football team based in Gozzano (NO)
2018. Retrieved 23 September 2018. "Gozzano, pronto il ritorno a casa!". VCO Azzurra TV (in Italian). 27 August 2019. Retrieved 28 August 2019. Official
AC_Gozzano
Synthesizer introduced in the 1980s
modules based on the original Roland System-100M modules: 110 VCO/VCF/VCA 112 Dual VCO 121 Dual VCF 130 Dual VCA 140 Dual Envelope/LFO 150 Ring Mod/Noise/S&H/LFO
Roland_System-100M
Statutory city in Upper Austria, Austria
beautiful station by the Austrian Transport Club (Verkehrsclub Österreich, VCÖ) seven consecutive times from 2005 to 2011, and once again in 2014. Linz
Linz
Patchable semi-modular monophonic analog synthesizer
as the MS-20 FS. The MS-20 features two voltage-controlled oscillators (VCOs) with a variety of waveform outputs including triangle, sawtooth, pulse,
Korg_MS-20
Synthesizer
Timbrality Monotimbral (Prophet-5) Multitimbral (Prophet-10) Oscillator 2 VCOs per voice LFO 1 Synthesis type Analog subtractive Analog FM (Poly-Mod) Filter
Prophet-5
Call assistance services
carry-over (HCO), for callers who could hear but not speak, and voice carry-over (VCO), for those who could speak but not hear. As with other operator functions
Operator_assistance
Series of electric drum synthesizers
A small box that could be mounted to the rim of a drum on a drumset. One VCO that could be pitch modulated by an LFO and an envelope generator. Alan Myers
Synare
Soviet duophonic analog synthesizer
Polivoks-inspired modules in Eurorack modular synthesizer format. The modules include: VCO, mixer, modulator, VCA, VCF, and ADSR. These designs are available in form
Polivoks
Polyphonic analog synthesizer
modulation of each VCO frequency, oscillator pulse width and filter cutoff frequency in any combination. Further, as on the Minimoog, VCO-3 can also be used
Memorymoog
their operas in the Vilnius Congress Concert Hall. One of the main aims of VCO is to make the opera genre more widely available and to free it from elitist
Vilnius_City_Opera
Polyphonic analogue synthesizer
released in 2016 by Korg. It offers users four-voice polyphony with two analog VCOs per-voice and was designed to be affordable. It was designed by Korg engineer
Korg_Minilogue
Monophonic analog synthesizer
sawtooth, through square to narrow pulse, plus sub-octave “doubling” on VCO B. oscillator sync noise source 24 dB/octave Moog transistor-ladder lowpass
Multimoog
Land service branch of the Indian Armed Forces
the same time. In April 1948, the former Viceroy's Commissioned Officers (VCO) were re-designated Junior Commissioned Officers, while the former King's
Indian_Army
Italian politician (1941–2025)
83. Web, Redazione (19 April 2025). "Addio a Carlo Senaldi, lutto a Gallarate". La Prealpina - Quotidiano storico di Varese, Altomilanese e Vco. v t e
Carlo_Senaldi
British engineer and inventor (1949–2020)
EDP's most successful product, the Wasp, a synthesiser with a hybrid digital VCO / analog VCF design. Employing a unique contact keyboard (with no moving
Chris_Huggett
Electrical configuration allowing electricity to cross between grounded devices
ADC(s). Phase lock loop circuits are particularly vulnerable because the VCO loop filter circuit is working with sub-microvolt signals when the loop is
Ground_loop_(electricity)
British computer scientist (born 1966)
Multi-Agent Cooperation (1992) Doctoral advisor Abe Mamdani Doctoral students Peyman Faratin Website www.lboro.ac.uk/services/vco/smt/vc-prof-jennings/
Nick Jennings (computer scientist)
Nick_Jennings_(computer_scientist)
travel, tourism, insurance
VCO
VCO
VCO
VCO
VCO
VCO
VCO
VCO
VCO
travel, tourism, insurance