Cem3340 chip manual. The SH-101 uses a CEM3340 chip for its VCO.

Cem3340 chip manual This all-analog beast uses the reissued Curtis CEM3340 chip — a key component of classic 1970s synthesizers. A quick history lesson of this chip shows it was a fundamental building block IC created by Doug Curtis in the late seventies and utilized in so many popular synths; Roland Jupiter 8, Sequential Prophet 5 (later It's not the best sounding chip but very easy to build control circuitries around it. I was surprised to see 3340 Oscillator and 3320 Filter printed prominently on the front panel. G. 67 inch) Weight: 2. (service) manual for the CoolAudio's new chip is based on the Curtis chip found in the Matrix 6 and 1000 Here's some notes I made a couple years ago when I was trying to sort out what's what when it comes to Curtis chips. It provides Ramp, Pulse/Square, and Triangle outputs,has inputs for oscillator sync, is temperature compensated and stable, and provides excellent 1V/Oct tracking. The 3340 is the oscillator chip found in many of the famous polysynths of the This is the CORE of a VCO module made with a CEM3340 chip. File Size: 3MbKbytes. Should be good news for a lot of SOSers. Doug Curtis went on to found Curtis Electromusic Specialties in 1979. Note the Rev G in the image. 46 Stable CEM3340/AS3340-based VCO. What new synths are using the CEM3340 chips? Always love the sound of these VCO's. Many believe this chip to be the greatest sounding analog oscillator of all time. co , The Electrosmith 3340 VCO is an all analog, voltage controlled waveform generator that uses a reissue of the legendary Curtis CEM3340 IC. If you're starting from scratch and not trying to clone an existing synth, I'd recommend giving it consideration (if you're willing to Hi! I find Sam very inspiring and thought I'd give the CEM3340 simple VCO build a try as I had most of the stuff laying around. 100% compatible with older CEM3340 chips. description / manual. co y la ayuda del CHIP-Local. ) It originally was a I’m currently trying to build the cem3340 vco that LMNC designed. The CEM3340 was responsible for the main VCO used in quite a few classic synths including the Oberheim OB-Xa, OB-Sx & OB-8, the Voyetra 8, Roland SH-101, MC Service Manuals; Sequential Circuits Prophet t8. The analog filter is based on an SSM2044 chip. This chip was responsible for some of the most iconic synth sounds in history including the SH-101, Jupiter 6, CEMosc has at it’s heart a CEM3340 or AS3340. On the web, you might find interesting information about SSM and CEM chips. Simultaneous outputs of sine, triangle, sawtooth, and square waves are available along with linear/e Your approach is probably safer indeed. Square, Saw and Triangle waveforms have their own individual level controls (manual control as well as CV The Electrosmith 3340 VCO is an analog oscillator based on the classic CEM3340 Curtis chip made famous in synthesizers from the Moog, Oberheim or Roland. 99) It uses CEM3340 chips for its VCOs, CEM3360 chips for its VCAs, and CEM3350 chips for its filters. 95 € Cosmic Instruments 10HP voltage controlled oscillator Eurorack module based on the famous CEM3340/AS3340 chip. V3397 is a reproduction of the Curtis CEM3396 chips or known as an “analog synth on-a-chip”. 18 posts • Page 1 of 1. This synth is not just a powerhouse, but also a great value, offering a mind-boggling degree of sonic versatility. Synthesizers Based on the famous CEM3340 chip and a newly developed wave-shaping tone generator. Page: 6 Pages. 82 1000-4999 = $9. Get manuals, specifications, and demos for the Crumar Spirit synthesizer. Today they announced that they will revive another well-known chip from the past. Part #: CEM3340. so i ran the original CEM3340 today: i couldnt get the linearity as flat as the new one, and the temperature drift is about the same. Top. Most (all that I've dealt with at least) PCB fabricators only sell in multiples (3's for OSHPark, 5's for JLCPCB). La página Web www. They’re based on Doug Curtis designs and date back to the late 1970s and early 1980s. That's what I meant by a VCO array. Service Manuals; Sequential Circuits Pro One. This is especially useful right now, since many people have bought a few CEM3340s or V3340s or AS3340s for their ·CEM3340 VCO Kit · Soldering Iron · Solder · Wire Cutters · 9mm Socket · 10mm Socket 2 Install Resistors surface, then gently press down on the top of the chip so that the pins bend evenly. You can source Curtis chips (integrated circuits made by Curtis Electromusic Specialties) This video is a demonstration of the newly manufactured Curtis Electromusic CEM3340 oscillator IC. The oscillator features linear and exponential FM as well as separate outputs for sine, triangle, saw and pulse wav This is the same chip that gave voice to vintage synths such as the Sequential Pro-1, OB-Xa, and the MemoryMoog, among others. Detailed Description This module is an accurate reproduction of the SH-101 voltage controlled oscillator, using a CEM3340 (or AS3340) chip in the core. Filter: CEM3379 Preliminary user manuals can be downlo 8 years ago scatterfilter. projects: CEM3340 VCO | 2xAD/AR | FM Ogre | Corny Rhythm | Steiner Parker VCF | SSM2044 VCF | Bass++. Now updated to the 3340a. Looking at the circuit board photo (see shared image), it seems that VCO-1 consists of 4 individual CEM3340 chips (IC33A, IC33B, IC33C, IC33D) and VCO-2 also consists of 4 Not sure why you’re having trouble finding a seller (you can also order them directly from CEM) but you shouldn’t have to resort to buying old pulled chips. All you need externally is just a +/-15 V power supply (+/-12 V of an Eurorack module power supply works as well) and a The CEM3340 VCO chip is one of the legendary chips designed by Doug Curtis that played an important role in the analog polysynths of the 1980s. The design has been updated to use +12V and -12V power rails, as the original is designed to operate from +9V battery power. 00 500-999 = $12. The 3340 chip is a triangle core oscillator, and in addition outputs saw and pulse The Behringer Neutron is an original design, a collaboration between Behringer and the experts at Midas in England. CEMosc is a stable AS3340 based VCO which tracks beautifully, and is feature rich. 95 € IC CEM3320 VCF Filter 49. Curtis Electromusic Specialties manufacturered a wide variety of ICs, many of which incorporated an entire synthesizer functional component, for example, the the cem3340 chips are in! everybody on the list has received payment requests (let me know if I forgot something) this first batch of pcbs has sold out, but there are new ones on the way. Designed by Cosmic Instruments in Netherlands Wishlist On Wishlist Tweet Share Pin Previous Next. After working for four years at Interdesign, Inc. The Electrosmith 3340 VCO is an analog oscillator submodule that uses a reissue of the legendary CEM3340 IC. skyshaver Wiggling with Experience Posts: 480 Joined: Fri Mar 28, 2014 5:08 am Location: Toronto. Specifications. Overview This module is a replica of the Roland Jupiter 6 voltage controlled filter which comprises two 2-pole State Variable filters in series. This is especially useful right now, since many people have bought a few CEM3340s or V3340s or AS3340s for their Freon Irons (@freonirons409). To make assembly easier, we’re The CEM3340 VCO chip has been re-released as the Rev. 99) Roland Vintage Keyboard Synthesizer Soft Case for SH-101 ($69. Description: Voltage Controlled Oscillator. a "mod" input for the sync, which I have only kind of figured out but is still cool, and the pan-pulse out, which gives a pretty rich sound. G Analog VCO with three waveforms (Ramp, Triangle, Square/Pulse) In short, it’s everything you need from an analog oscillator, on a chip. Quantity * + — Ribbon cable I'll add a 10 pin to 16 pin ribbon cable that you can use to connect the module to The Curtis CEM3340 VCO has been reissued by Curtis Electromusic. If the info below is correct you will be able to order a single chip for $15, or less in bulk. CEMosc has at it’s heart a CEM3340 or AS3340. He did this specifically to design and manufacture integrated circuits for music synthesizers. 00. Here are the price breaks for anyone wanting to get more than a handful: 1 -499 = $15. Easy to build and calibrate too. (D) Beide Matrix verwenden sechs CEM3396 'Synth on a Chip', der Matrix 6 im breiten, der Matrix 1000 im schmalen Gehäuse. A comparison is achieved using the The Electrosmith 3340 VCO is an all analog, voltage controlled waveform generator that uses a reissue of the legendary Curtis CEM3340 IC. The CEM3340 was responsible for the main VCO used in quite a few classic synths including the Oberheim OB-Xa, OB-Sx & OB-8, the Voyetra 8, Roland SH-101, MC-202, Jupiter-8, and early model MKS-80, The Sequential Circuits Prophet-5 Rev 3, Prophet-10 I found a copy of the JP-6 service manual, know just basic stuff about analog and digital electronics, and have an old CRO that I can probably use for testing signals. I test the AS3340 oscillator chip. Stylophone recently announced a new drone synth, the CPM-DS-2. The issue is I can not seem to find any software that will simulate these chips. Polyphony: monophonic. Do you know where to probe the CEM3340 output ? I’ve seen the schematic of the chip itself but it’s a bit confusing for me. This is pretty big news. 1 lbs) Synthesizer type: Analogue; For Sale CEM3340 VCO Chip – Brand New - Voltage Controlled Oscillator Chip Factory tested and certified. Simultaneous outputs of sine, triangle, sawtooth, and square waves are available along with linear/e The V3340 chip is CoolAudio’s modern clone of the famous CEM3340 voltage-controlled oscillator. Play notes with a 5-STEP trigger and CV sequencer and an additional 4-STEP CV sequencer. g. It offers very wide tracking up to ten octaves. The Curtis CEM3340 VCO has been reissued by Curtis Electromusic. CEMosc features: Onboard voltage regulation for tuning and tracking stability; A rotary octave switch as well as a fine tune knob; Both manual PW as well as PWM are available The Curtis CEM3340 VCO has been reissued by Curtis Electromusic. All you need externally is just a +/-15 V power supply (+/-12 V of an Eurorack module power supply works as well) and a Hardware Chips - Synthesizer. 4 (5 votes) File Downloads. I did this so I don't have to keep plugging cables in & out, and it's just a case of changing the knob positions to get a different wave out From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! I am in communication with them and will continue to push for the other chips to be brought back but to be honest the release of the 3340 is great news as that was the most common curtis chip used. It uses the famous CEM3340 „Curtis Oscillator“ precision VCO chip, that is also being used in fabled synths like the Sequential Pro-1 and OB-xa. batank The Electrosmith 3340 VCO is an all analog, voltage controlled waveform generator that uses a reissue of the legendary Curtis CEM3340 IC. 64 5000+ = $7. Repeat for the other side of the chip. If the info below is correct you will be able to order a single chip for $15 or in bulk discount. Ask a Question!. Note the Rev G in the image. Growl puts the CEM3340 to good use, having simultaneous Square, Triangle, and Saw waveform outputs, each with their own level controls, and CV in. That said, getting a VCO to track well over multiple octaves without drift is one of the trickier DIY tasks (though certainly not impossible! obviously people were DIYing this stuff before 3340s became available again a few years back), so just factor that into your This is the re-release version of the famous CEM3340 voltage-controlled oscillator. i didnt run it as hot, only 55C, whereas the new one was run to 65C (i was being cautious with it), so . (technically the IC chip inside is the same, it just doesn't bring those features out to pins). I would say that is unnecessary. So now there is a vacant IC slot on the voice board. I'll check my setup later today to confirm if I tweaked any of the values. The V3397 offers a complete voice with 2 multi-waveform oscillators, a VCF plus 4 The SH-101 uses a CEM3340 chip for its VCO. I did this so I don't have to keep plugging cables in & out, and it's just a case of changing the knob positions to get a different wave out I think I've got 22 3340s in this pic! OK two of them are clones. The most commonly used reproduced chip is the V3340, a clone of the CEM3340 chip. Together with the classic synths themselves, the Curtis chips were long been out of As an addendum here are the sine wave spectrums for the best chips: CEM3340 No. I know the Behringer Neutron has dual 3340 oscillators, but I'm curious as to what other new(er) Protip: upload your manual PDFs to ChatGPT to ask questions about your hardware Yeah, I have P6 too, played P5 in store and satisfy with its discrete VCO voices (not sure it is CEM3340 or SSI2130 based though, I think it is CEM3340). SH-101 VCO PCB. The maintenance manual only shows where to probe the overall output of all the CEM3340 but it doesn’t tell which one is bad. For fans of synths, pianos, organs or keyboard instruments of any sort. However, the OP wants a VCO with an authentic CEM3340 chip. I am wondering if anyone here knows of a way I can do this? Any suggestions would be greatly appreciated. Home. In short, I’m servicing my Jupiter 6 and found out that one of the voice from VCO 2 is non-functioning/dead. It has also been cloned by CoolAudio as the V3340 and by Alfa as the AS3340. Features: Large Sweep Range: 50,000:1 min; Fully Temperature Compensated; The VCO is still monophonic, it's just easier than ever to build multiples and have a single chip turn polyphonic MIDI into individual pitch CVs. That is the new chip. chip. You can source your own chip, of buy AS3340 direct from me when you order your PCB set and panel. CEMosc has at it’s heart a CEM3340 or AS3340. I am interested in implementing these "true" CEM3340 Curtis chips, both for the sake of testing their sonic qualities against those of their "copycats", as well as supporting the legacy of The CEM3340 VCO chip is one of the legendary chips designed by Doug Curtis that played an important role in the analog polysynths of the 1980s. En la guía para la Instalación y operación del CHIP-Local se detalla un “Plan de Trabajo” el cual se va a seguir en esta presentación cuyo objetivo básico es: Ingresar a La página Web www. The pulse is maybe a little buzzy, and the sine isn't perfect (obviously), but works great, and the extra features andrew added in are also pretty great e. Navigation. Keyboard: 37 keys . SSM or; CEM Chips (List of OB-SX 2 CEM3340 VCO 1 CEM3320 VCF 2 CEM3310 EG 1 CEM3360 Dual VCA afaik Xpander only ever used the CEM3372 not 3320 filters made with an extra ciruitry in the servical manual a one percent resistor array. For the quad opamp chip you can also use a TL084 or an LM324 or any other low noise quad opamp with the same pinout. Rating. It doesn't sound very far from P5 with vintage mode on. But what The AS3340 is pin to pin compatable with CEM3340, but the chip is fully redesigned in order to improve stability and eliminate some native faults and it comes in DIP-14, SOIC-14 and QFN-24 cases for very compact designs. The 3340 chip is a triangle core oscillator, and in addition outputs saw and pulse The CEM3340 VCO chip is one of the legendary chips designed by Doug Curtis that played an important role in the analogue polysynths of the 1980s. Manufacturer: Curtis Electromusic. Does the new Doepfer A-111-2 VCO have the CEM3340 chip like in the older A-111 High End Oscillators? Top. this chip provides LPF 4pole filter only! 2 processors running at 16mhz After the announcement of the discontinuation of the Dark Energy due to a lack of CEM3394 chips I started making a basic inventory on what CEM chips were used in which Doepfer Module. 75 kg (6. $85. The 3340 is the oscillator chip found in many of the famous polysynths of the analog era; the Sequential Prophet 5 and T8, the Oberheim The final decision was to use the CEM3340 chip which has recently been put back into circulation with the CEM3340 revision G. Year Released: 1983. 3. CEM3340 VCO chip back in production Post by Escapegoat » Fri Jun 03, 2016 5:42 pm. About $15 each. There hasn’t been a better design than the 3340. Manual or Envelope • Glide control per step • FWD, REV, PENDULUM and RANDOMIZE To celebrate the 2016 return of the CEM3340 chip, I thought I’d do another page in my series looking at how various synths implemented classic synth chips (the others being CEM3320 Filter designs and SSM2044 LP Filter designs). ROLAND SH-101 OWNERS MANUAL 80s ynthesizer keyboard book VINTAGE SYNTH DEALER ($99. Insert the chip into its socket, making sure that the pin 1 dot/notch on the chip The CEM3340 VCO chip is one of the legendary chips designed by Doug Curtis that played an important role in the analog polysynths of the 1980s. User Demo Videos. User Manual; Mechanical specifications: Size: 446 x 70 x 144 mm (17. The AS Alfa 3340 VCO chip is Alfa’s modern version of the famous CEM3340 voltage-controlled oscillator. CEM3340 VCO Build Instructions Make sure you have everything before you start soldering! 1 Install Diodes What You’ll Need: Build the main board first. CEMosc features: As an addendum here are the sine wave spectrums for the best chips: CEM3340 No. Search. The analog polysynth Jupiter 6 was launched in 1983 with 6 voices that used CEM3340 VCO’s . In any case the AS3340 also works fine, although I believe there are a few resistor changes to make it an exact drop in replacement for the CEM3340 honeyeater / cem3340 analog vco with sub-oscillator / 8 HP. The highest frequenz wat i can do is 944Hz. The CEM3340 was responsible for the main VCO used in quite a few classic synths AM8060 Module. The Coarse and Fine Tune potentiometer are located on the lower part of the module in form of small trimmer CEM3340 VCO chip back in production. path, and like the Manther Tabletop, it includes a coveted CEM3340 VCO IC chip. and speaking of the filter. I know the problem is on the 4 voices board. 95 € IC CEM3310 Envelope Generator 59. The company originally produced synthesizer chip sets, and provided bare boards for the hobbyist to experiment with frequency central cem3340 VCO, full kit euro 10hpVersion 2CEMosc is a stable AS3340 based VCO which tracks beautifully, and is feature rich. The IC provides Ramp, Pulse/Square, and Triangle outputs, has inputs for hard and soft sync, is temperature compensated and stable, and provides excellent 1V/Oct tracking. Gear shown includes Prophet 5+5, Grandmother with a little Eurorack, mostly DIY from kits, a modded MS20mini, Teac X-700R reel to reel, ART PRO VLA II comp, hidden in a rack under the desk is a Yamaha TX216, some amps, guitars and a pedal board. Any of these chips will work correctly in the designs above. This is the minimally modified example schematic from the first page of the datasheet, with SMD parts, except for the high quality 1000 pF through-hole Mica capacitor, as recommended in the datasheet, and the 2 trimmers. TWO SEQUENCERS. By integrating a complete analog VCO on a chip, it made more compact and cost-effective synth designs possible. The ESP32 At the heart of the SER-2020 are the legendary CEM3340 oscillator and CEM3350 filter chips, which have been used in iconic synthesizers such as the SCI Prophet 5, Rhodes Chroma, and Crumar Spirit. Manual. It provides Ramp, Pulse/Square, and Triangle outputs,has inputs for oscillator sync, is temperature compensated and stable, and provides Since Coolaudio started reissuing old IC’s used in various synths I always eyed the V3340, which is a reissue of the CEM3340 chip as used in many classic synths such as the Roland SH101, Prophet 5, Memory Moog and plenty of others. The AM8060 contains the same two SVF’s, with each of the 2-pole filters switchable into either Low Pass or High The modern CEM3340 is the "rev G" but should be a drop-in replacement for the 3340s in a classic analog synth. Description: Voltage Controlled Oscillator. Synthesizers are basically sounds created from crystals if they use the CEM3340 chip. 4: CEM3340 No. This is the ONLY authorized remake of the original trademarked by CEM. The company. By integrating a complete analog VCO on a chip, it made more compact and cost-effective The VCOs in his monosynth are based around the AS3340 VCO chip, which is a clone of the Curtis Electromusic Specialties ‘ CEM3340 chip (used in machines such as the Oberheim OB-Xa, the Roland CEM3340 VCO Rev. Other manufacturers manufactured copies of the Curtis Chips as well since the patents had expired. gov. I intend to design add-ons (hence the large amount of spare space on the stripboard layout!) They will appear on the patreon before they appear anywhere else! as i am going to get them all designed and put them all into 1 big video in a month or so! so if you want them as soon as i Checking CEM3340 voice chips . There’s a link to the schematic here: Read your manuals low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. 2 and SSI2131 No. CEM3340 A-132-3 DVCA Dual Linear/Exponential VCA: CEM3360. The Source Mixer allows for total control over the Square, Triangle, Saw, Tri Shape, Noise and Sub Oscillator levels with individual wave outputs. according to the Manther manual I would like to simulate my synth circuit which uses the AS3340 or CEM3340 chip inside LTSpice or Kicad before going out and buying parts. From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! I noticed that a CEM3340 chip is missing from Voice 6 Osc B. 56 x 2. Beide Matrixe haben DCOs. BUILD GUIDE, CEM3340 VCO chip back in production. Fabricated using the original Doug Curtis design information. 95 € IC CA3280 transconductance amp 13. We stock many rare and obsolete parts. Download. To celebrate the 2016 return of the CEM3340 chip, I thought I’d do another page in my series looking at how various synths implemented classic synth chips (the others being CEM3320 Filter designs and SSM2044 LP Filter designs). Memorymoog 19x CEM3340 VCO, 26x CEM3360 Dual VCA, 12x CEM3310 EG OB-8 16x CEM3340 VCO, 2x CEM3360 Dual VCA 16x CEM3310 EG, 8x NLC has a 3340 available, and I think its pretty great. These numbers refer to the IC chips used in the oscillator and filter circuits. 2/fonitronik TH Maximus VCO (BJT diff pair as a triangle/sine converter): (RYO Altered States) with self-oscillation feature and 1V/Oct input but don't know if it may be useful (although manual mentions about 5 octaves tracking). Keyboard: 32 keys . The 3340 chip they use comes from a Latvian manufacturer (ALFA). The excellent super stable and versatile CEM3340 voltage controlled oscillator, originally Does the Doepfer A-111-2 VCO have the CEM3340 chip? Post by ele » Wed Dec 07, 2016 9:23 pm. User Manual: Download PDF Project Notes: Download PDF. Search Advanced search. 3340 VCO Submodule v2. As far as I know, at least a few of the 2hp "VCO"'s competitors use the very same chip. 76 x 5. Put jumper over JP1, so pin 14 is connected to Rob's design has been working fine for me for CEM3340 reissue chips. IC AS3340 VCO (Equivalent CEM3340) 6. I remember this was defective chip that was supposed to be replaced, but eventually got lost. The VCO itself is based around the classic CEM3340 chip by Curtis Electronics, and I'm using all 3 wave outputs (square, triangle & sawtooth) - they all feed into the TL072 mixer in the third image. The tuning manual from Rob Hordijk does not work right (see picture). (There's a link at the bottom of this article to the original text and schematic. . After a couple of hours of soldering where I checked all the resistors with a multimeter before placing and checking the power connectors to ensure there's no shorts i figured I'd give it a try using a powersupply from a Dreadbox Hades DIY i Plenty of designs out there for discrete synth VCOs, and the parts for those may well be easier for you to find than a 3340. In 2016, it was announced that the CEM3340 VCO had been remanufactured by OnChip using the original design, the CEM3340 RevG. 95 € IC AS3360 VCA chip (Equivalent Cem3360) The heart of this beast is a coveted CEM3340 based VCO IC chip. A-107 Morph. It’s, in essence, a fully featured 1V/oct oscillator on a single IC and thus takes away a lot of the headaches inherent to VCO Curtis Chips: Oscillator Inside. . zwzma xemfncr yxh obhbeu ysslzwoy rbbt lgttb kllj lgb hzvhngc