Linear Vco

This VCO uses an LF356 op amp to produce a linear frequency vs. voltage characteristic using the CMOS HC4046. The frequency rang
Linear Vco - schematic

e can be changed by changing the capacitor connected between pins 6 and 7 of the HC4046. Using the HC4046`s internal transistor instead of an external component achieves the linearization in diagram.

Recommended videos

  • VCO Audio Applications Part 1- Synthesizer Building Block (Voltage Controlled Oscillator)
    Duration: 6:31.
  • VCO Audio Applications Part 2- Frequency Modulation (FM) Voltage Controlled Oscillator
    Duration: 7:11.
  • #147: Basics of Varactor Diodes | Voltage Controlled Oscillator VCO Example
    Duration: 8:27.


  • Financial Express
    Sony has unveiled is NW-A35 Walkman in India at a price of Rs 15990. The new Walkman features the Digital Noise cancelling technology. It also has NFC and ...
     2 December 2016
  • Engadget
    Engadget Instead of random parts it contains a liary of that can be manipulated via the filter, modulation and AMP envelope-generator knobs. If that sounds familiar, it's because it's nearly the same setup as the Sampler. In fact, Korg demo
     1 December 2016
  • NDTV
    NDTV Sony has announced the launch of the NW-A35 Walkman in India priced at Rs. 15,990. The high-resolution audio player comes as a follow-up to the NW-A25 ...Sony NW-A35 Walkman launched in India: Price and specificationsThe Indian
     1 December 2016
  • Sonic State
    It's a DSP based, 2 mono synth with variable mode filter (a bit like the 002), single LFO, distortion and delay. With 8 surface ... The are gritty, but actually pretty fullsome sounding - Osc 1 has : sine, tri, saw and square
     28 November 2016
  • Hoodline
    Hoodline The group pooled together their equipment, which initially added up to only six and some tape recorders—hardly enough to push the edges of electronic music. But in keeping with San Francisco's entrepreneurial spirit, they
     23 November 2016
  • Radio World
    ConsolesAn is the other tool required for this exercise. The best sine wave oscillator I've found is the Potomac Instruments AG-51 Audio Generator. It was designed in the days when stations were required to do annual audio proof of perform
     16 November 2016
  • Sonic State
    Sonic State Recombinant Sound -- Now you can gain entrée into the world of nonlinear acoustics, biological , chaos and more with the new, -rate Dynamical Systems modules introduced in Kyma 7.1. New modules include a van der Pol , Loren
     16 November 2016
  • Techvibes
    Techvibes In 1939 with $538 in equity (nearly $10,000 today), Hewlett & Packard began part-time work to produce HP's first product: a resistance-capacitance used to test sound equipment. They named it the HP Model 200A to make it sound l
     11 November 2016
  • MuseWire
    updates Continuum Fingerboard hands-on electronic instrument and MIDI controller to 5.30CHAMPAIGN, Ill. (MuseWire) – Haken has announced the latest update for their Continuum Fingerboard hands-on electronic instrument and MIDI contro
     8 November 2016