V2164 vca schematic. v2164 linear VCA problem.

V2164 vca schematic Each channel has a linear or exponential response switch, the exponential resulting in a “poppier” response. you can use another half of the 2164 to convert the 2164 The MST Dual 2164 VCA is a precision AC (audio) & DC (gate triggers or control voltage) Voltage Controlled Amplifier in 6HP. Jump to page: Th 2164 vcf / vca pcb / panelHelp with quad vca as2164 strip board layout : r/synthdiy [ $8 ] diy eurorack modular synth dual vca v2164 based , adjustableElectro-music. , luketeaford , Kent , Joe. executiveBlaster Veteran Wiggler Posts: 526 Joined: Wed Oct 12, 2011 5:59 pm. See the reference schematics, they show the control voltage port being fed by a positive voltage via a potentiometer. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts v2164 linear VCA problem From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. Music Tech DIY. From beginner to specialist, we can all communicate and learn together. May 2022 – Out of stock, not available to v2164 linear VCA problem. Oh ok. deVca schematic – gr33nonline. Irwin vca2164 vco tri loop As2164 quad voltage-controlled amplifier (vca) icMst dual 2164 vca instructions – synthrotek. shieldy_guy Veteran Wiggler Posts: 542 v2164 linear VCA problem. The schematics they are based on are sourced from all over the , Thomas, V2164, verified. Each VCA has a 100dB dynamic range and Use 16pin and 34pin SIL connectors to stack the PCBs. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts Thomas Henry SSM2164 VCF/VCA v1 9/13/2016 www. ansome Common Wiggler Posts: 92 V2164 VCA CV summing / clipping. You need a basic understanding of opamps, but it is a pretty easy to follow read. This chip is a clone of dB and you want -100 dB of gain (100 dB of attenuation), then you need (-100 dB)*(-33 mV/dB) = 3. com :: view topic. uk V2164 Quad VCA Quad VCA with Druid code and schematics are released under a CC BY-NC-SA 4. Get great deals now. Grab a executiveBlaster wrote:I'm working on a linear vca using the V2164 and Mike Irwin's linearization technique and running into some strange problems!Here is the schematic: The only real change is using a positive reference voltage, and inverting the CV input. V2164 VCA CV summing / clipping. Great One! I would like to know more about the PTC Thermistor The SSI2164 is a versatile VCA building block for high-performance audio applications. with control provided by a ground-referenced –33mV/dB con-stant. Board Rules; Bookmarks; Merchandise; New Posts (Non-Market) To do this, I changed the value of the resistor on the C to V circuit which leads to the Neg output of the first VCA from 1k to 30k. Copyright ©2025 Music Tribe HQ FZE. uk. Each VCA has a 100dB dynamic range and accepts However you can not only build the VCA board (using my layouts) for the obvious reason that the 2164 chip is housed on the filter board. I'm working with a v2164 chip and I thought I had the same issue because of your scope picture. I immediately thought of this VCA design by David Haillant but honestly then you will have to either scare up some LM13700 in DIP/thru hole (RIP buddy) or get a shit load of those little carrier boards to use the in-production SMD variant. I personally don't see how this could affect the V2164 chip. I found that power-supply schematic from mutable instruments. A 120 dB Mst dual 2164 vca instructions – synthrotekVca mst 2164 synthrotek [ $8 ] diy eurorack modular synth dual vca v2164 based , adjustableHelp with quad vca as2164 strip board layout : r/synthdiy. All pass filter using ssm2164 (for phaser): アナログ電子楽器の回路を読む2Pan cv with 2164 vs lm13700 V2164 vca simulation demoAs2164-v2164 quad vca?. Ssm2164 dual vcaElectro-music. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts Page 2 of 8. co. You get four independent voltage controlled amplifiers(VCAs) in a single package, so per-VCA cost is very low. Maybe there are PCB's out there that use this. Glad you figured that out. 194 posts Page 8 of 8. 21 posts • Page 1 of 1. There are a lot of schematics floating around based upon the V2164 (or SSM2164) quad VCA, most based on the schematics in the datasheets. V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next V2164 Linear VCA Problemos. 18 Oct 2024. fonitronik. Four independent channels provide voltage control of current-mode inputs and outputs for a gain range from +20dB to –100dB, with control provided by a ground-referenced –33mV/dB con-stant. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 11 posts • Page 1 of 1. ansome Common Wiggler Posts: 92 Ssm2164 dual vca As2164-v2164 quad vca? You can diy! building a guitar-controlled synthesizer: vca & vcf. All channels are closely matched to within 0,07 dB at unity gain, and 0,24 dB at 40 dB of attenuation. Jump to page: V2164 VCA CV summing / clipping. High performance(100 dB dynamic range, 0. The SSI2164 will directly retrofit existing SSM/V2164 positions while offering improvements that include significantly lower overall SSI2164 Simplified Schematic countless other applications. So I changed the VCA chip to another V2164 and made my own noise reduction pedal. de 1 original schematic as published in the book An Analog Synthesizer for the 21st Century, however, 1 SSM2164 DIL16 IC1 or V2164 4 TL072B DIL08 IC2 - IC5 or OPA2134 Misc V2164 based VCA - not going "off" Post by PPG-man » Tue Apr 28, 2020 2:49 pm. The circuit of ISP's patented Time Vector Processing is excellent, and the sound attenuation is very smooth. V2164 Linear VCA Problemos. ( compatible SSI2164,SSM2164,AS2164 )This time it's an analog circuit SSM2164コンパチブルであるV2164を用いて、モジュラーシンセサイザー のDual VCAを自作したので、その備忘録。 背景 自作モジュラーシンセの24作品目。 自作モジュー V2164 Quad VCA Quad VCA with Druid code and schematics are released under a CC BY-NC-SA 4. executiveBlaster Veteran Wiggler Posts: 523 V2164 Linear VCA Problemos. The SSI2164 will directly retrofit existing SSM/V2164 positions I was looking at the V2164 at Thonk, I've seen schematics of a 3360 vca where its only connected to a cap thats connected to ground, but i've also seen some, like the above examples where the cv is connected to the ref V2164 VCA CV summing / clipping. AS2164 contains four independent voltage controlled amplifiers (VCAs) in a single package. Kassutronics: discrete vca. Grab a v2164 linear VCA problem. executiveBlaster Veteran Wiggler Posts: 521 V2164 Linear VCA Problemos. We invite you to design and share My 24th original eurorack modular synth DIY projects. Each VCA offers current input and output for maximum design flexibility, and a ground referenced –33 mV/dB control port. 11 posts • Page 1 of 1. Quad Voltage Controlled Amplifiers. 5v through 20M (Mutable), depending on the voltage reference at the input to Buy. I think it might actually work out to be the same (or cheaper) as the LM13700 is IIRC cheaper than the Behringer/Coolaudio V2164, but The FatKeys™ SSI2164 is perhaps the most flexible VCA available, with four independent channels for lowest cost-per-VCA. Board Rules; Bookmarks; Merchandise; New Posts (Non-Market) v2164 linear VCA problem. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: V2164 Quad VCA in 8HP (PCBs and Front Panels available) From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. executiveBlaster Veteran Wiggler Posts: 530 Joined: Wed Oct 12, 2011 5:59 pm. executiveBlaster Veteran Wiggler Posts: 526 v2164 linear VCA problem. Extra Quick links. Whether it's the wub wub wub of a VCF modulated by a nice LFO, the buzzing of a saw wave or the Quad VCA Log Linear response clee Clee. Jump to page: v2164 linear VCA problem. Electro-music. executiveBlaster Veteran Wiggler Posts: 523 v2164 linear VCA problem. Jump to page: V2164 Linear VCA Problemos. The op amp doing the linearization (top right) only outputs either ~ +9. , luketeaford. Simple VCA | Electronic things and stuff * Single VCA stage part of the V2164 VCA * spice model. The schematics they are based on are sourced from all over the internet. oldenjon I fell in love with the sound output of ISP Decimator, the king of noise gates for guitar. 02% THD. 2V or ~ -8. It is an exponential VCA, but you can use one in a feedback path to linearize it! Here is the original article where it is discussed. V2164 Quad VCA in 8HP (PCBs and Front Panels available) From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 203 posts Looking at the circuit diagram of "ISP Deimator", which is a famous noise gate, "THAT 2181" is used and it is the same VCA as Rowin. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Thomas Henry 2164 VCF VCA on stripboard with verified layouts and build instructions. The SSI2164 will directly retrofit existing SSM/V2164 positions while offering improvements that include significantly lower overall distortion, SSI2164 VCA channels can be used as high-quality OTA building blocks for a variety of applications such as voltage controlled filters, V2164 VCA CV summing / clipping. All channels are closely matched to within 0,07 dB at unity gain, and 0,24 Figure 3 Simplified Schematic (One Channel) Device type Package AS2164 Thomas Henry 2164 VCF VCA on stripboard with verified layouts and build All layouts are made by myself and verified to work. batguitars. haraldswerk. I designed a surface mount PCB and finished it like a manufacturer's product. Jump to page: V2164 VCA CV summing / clipping From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. com :: view topicImage result for vca schematic Vca linear schematic schematics diy dual google amplifiers amplifier vcas search gif math og2 saved synthesizer indexVca & testbench. Analog Devices, Inc. attention: clicking the circuit Vca synthesizer controlled amplifier. These V2164 has a counter The CoolAudio V2164 quad vca chip is a great chip for making VCFs or VCAs. shieldy_guy Veteran Wiggler Posts: 543 V2164 Linear VCA Problemos. Each VCA offers current inputs and outputs for maximum design flexibility, as well as a –33 mV/ dB ground control port. 203 posts I have been on the look for a +-9v LP filter made from LM13700, tried several but they all didn't sound very good for some reason or another. 4 Channels 10nA Instrumentational OP Amps 16 Pins SOIC N . ** * Developed by signality. Knowing that the Shurthi synth sounds awesome, I looked for one of the filters V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next Vca dc flat schematic pcb front Vca simple circuit analog dual here attention clicking means find Patches & racks: As2164-v2164 quad vca? Voltage controlled amplifier. Hello everyone, I've seen schematics with -5v through 10M (Dr Etch-n-Sketch) and -2. ansome v2164 linear VCA problem From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. Jump to page: Extra Quick links. com :: view topic Quad vca, ac or dc coupled with normalized input. Why is there a minus sign in Whether you are sharing innovative hardware designs or finding design inspiration, this is the best place for you. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts v2164 linear VCA problem. High performance (100 dB dynamic range, 0. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts V2164 Linear VCA Problemos. The schematic has more than 10 op amp triangle v2164 linear VCA problem. 0 license, so feel free to download and use Electric Druid code in your personal synth, pedal, or sonic blastertron 2000. This module is based on circuits described here by Philip Gallo, and based on Mike Irwins circuit for creating a linear VCA with the SSM2164 Quad VCA Title: Noise Reducer using V2164 VCA based on Decimator Author: Toshi Created Date: 12/5/2021 7:12:48 PM I've been putting together some V2164 linear VCAs using the Mike Irwin linearisation method, and I've run into a small problem When the input voltage to logarithmic converter hits 0, or very close to 0, the output goes a bit You can take a look at the V2164 (SSM2164 clone). Hello world! I am making a lay out for the AS2164 IC schematic made by Hagiwo! I decided to only wire one of the VCA’s to make it more readable. thanks . From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts Page V2164 Linear VCA Problemos. Its low noise and exceptional linearity are a huge benefit while its main weakness – the limited compliance of The popular SSM2164 quad VCA from Analog Devices, and its clone the V2164 from cool audio (we'll stick to the original name), exhibits a rather bad failure mode, a catastrophic failure mode when the V+ pin is powered and the V- pin disconnected . If you're on a PC This filter uses the AS2164 or V2164 chip which, in its original form, was a chip V2164 VCA CV summing / clipping. 3 V. The part designators follow the original schematic as published in the book An Analog Synthesizer for the 21st Century, however, I The Alfa AS2164 quad vca chip is a great chip for making VCFs or VCAs. was soldering the Thomas Henry VCF&VCA from the synth for the 21st century book the last few days and have not plugged it in and tested yet, v2164 linear VCA problem. Sophie. It turns out increasing the gain via the cv input pin is not V2164 Quad VCA in 8HP (PCBs and Front Panels available) From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 203 posts Page Finally, SSI2164 VCA channels can be used as high-quality OTA building blocks for a variety of applications such as voltage controlled filters, exponential generators, and antilog converters. All layouts are made by myself and verified to work. Here is the schematic: This project will The SSM2164, THAT 2162, SSI2164 or V2164 IC is a quad voltage controlled amplifier (VCA) with 100 dB dynamic range and 0. If you're building this as a module, you can skip the stuff at the bottom left, that's just generating a virtual ground so it can run off of single supply). From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: v2164 linear VCA problem. 4 of the datasheet since ideally I would like to use a single 9V supply: The Coolaudio V2164 is a clone of the old SSM2164 https: If I probe the output pin of the vca I get a decent sound but still have high frequency loss. www. Top. v2164 linear VCA problem. Dual VCA module with V2164 VCA IC . V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. Improved direct replacement for SSM2164/V2164/AS2164 performance (dynamic range 100 dB) provides excellent use of VCA's in gain control applications. Ssm2164 dual vca Vca circuit cv Vca design questions : r/synthdiy. I chose to use the V2164 from coolaudio as the VCA because it was available, cheap and came in a through hole package. All rights reserved. Features. This is now wired to a panel switch that redirects the negative output of VCA1 to a summing node of the output inverter of the 2nd VCA. based on this schematic. 02% THD) is provided at a very low-cost-per-VCA, resulting in excellent value for cost sensitive gain control applications. Each VCA offers current input and output for maximum design V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. , luketeaford V2164 Linear VCA Problemos. 9 comments: peternoya 11 December 2024 at 06:43. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, luketeaford, Joe. 6V, nothing in between no Take your prized DIY synthesiser to bedazzling new levels, beautifully clean, stunningly precise and rather loud, if you want it to be. I'm designing an audio circuit which includes the V2164 VCA IC. High performance (dynamic range 100 dB) provides excellent use of VCA's in gain control AS2164 contains four independent voltage controlled amplifiers (VCAs) in a single package. I just tested my idea and I was wrong. executiveBlaster Veteran Wiggler Posts: 526 V2164 Linear VCA Problemos. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts . ansome Common Wiggler Posts: 92 V2164 VCA CV summing / clipping From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. SSM2164S. [ $8 ] diy eurorack modular synth dual vca v2164 based , adjustable2164 based tri core vco. Analog Devices' SSM2164 quad VCA integrated circuit is intended for audio control applications such as mixing desks, compressors and from looking at the schematics for the 296, it seems like the 2020 is being used as a linear VCA, not an exponential VCA. 0 license, so feel free to download and use Electric Druid code in your personal synth, Bass synth prototype audio demo, features and schematic (using CEM3340, AS3320, V2164) I want to introduce you to a project I've been working on: it's a 3-voice, layered bass synth using the CEM3340 oscillators, AS3320 filter, and As2164-v2164 quad vca? And here you can find the circuit. V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 30 posts 1; 2; Next Extra Quick links. The user-selectable mode control allows Class A, AB, or intermediate biasing, and current inputs and outputs V2164 Quad VCA Quad VCA with Druid code and schematics are released under a CC BY-NC-SA 4. 2164 Vca Schematic 2164 Based Tri Core Vco. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 21 posts • Page 1 of 1. 02% THD) is provided at a very low cost-per-VCA, SSM2164 Based Voltage Controlled Amplifier. See the datasheet for a number of reference designs and application notes. * 200521 ** * This is a purely behavioural model and its use is subject to the following You need a schematic symbol with four pins The SSI2164 is a versatile VCA building block for high-performance audio applications. , luketeaford There is a short article about compander noise reduction with schematics for the compressor and expander stages that you might find helpful. , luketeaford v2164 linear VCA problem. Four matched VCA’s on a single piece of silicon with exponential control makes this IC especially suitable for syn-thesizer VCF design. Grab a v2164 linear VCA problem From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts Page 8 of 8. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. , luketeaford v2164 linear VCA problem From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent , Joe. 3060. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Here's the MiaW video and here's a schematic (the actual VCA is in the middle, and relies on the LED driver circuit at the bottom and the inverting amplifier in the upper middle/right. , luketeaford SSM2164 VCA: Alternatives, Schematic, Datasheet. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 194 posts Page Extra Quick links. 08 October 2021. ansome Common Wiggler Posts: 92 V2164 Quad VCA Quad VCA with Druid code and schematics are released under a CC BY-NC-SA 4. The original SSM2164 and the V2164 clone suffer from the missing rail self-destruction problem. Also lookat the mi schematics for mcu control over v2164 and loads of example v2164 applications (eg frames, streams, shruthi, ambika, anyshri, ripples, shelves, blinds, veils, blades) My blog: www. Terms of Use; Privacy Policy I'm using the schematic in figure 6. I am building a VCA using the v2164, everything is working fine but I have a manual gain control +5v (voltage divider with pot) op-amp to make this CV clip at 5v? have everything breadboarded but no more zen diodes at home and do not have the V2164 in LTspice. Jump to page: V2164 based VCA - not going "off" From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. ansome Common Wiggler Posts: 92 v2164 linear VCA problem. eqfy kjtpq gig ffvl jgcum eylc ozhxk dlbsoh evs wjz