Questions tagged [synthesizer]
The synthesizer tag has no usage guidance.
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Where to find/learn standard meaning of ω or φ, etc., in RF circuit design
I am retired from a long career in Electronic Warfare (EW) in the US Navy, followed by decades in communications in two-way radio engineering, cellular system technical management, etc, and then a ...
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What circuits do I need to make an analog synthesizer? [closed]
I want to make a simple analog synthesizer at home, please help me.
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Circuit simulation is not functioning properly
I am a college level electrical physics student (and so I do not have a lot of knowledge on the topic of electronics) and I am in the midst of writing a report on a project that was done throughout ...
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How do I solve DC offset GND between 2 power supplies 220V to 12V/GND? [closed]
The setup:
Two modular synths (lets call them A and B) with each their own power supply making 220V AC into DC +12V, GND, -12V.
I measure a DC offset (like 6.5V) between the GND's of synths A+B (no ...
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Improving the waveshape and amplitude of a saw-tooth generator
I am a student in in college level physics and so I do not have a lot of knowledge when it comes to circuits and the different electrical components. Still, as a project, I decided to try to build an ...
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Help me make this switching transistor circuit is right
I'd like some insight to make sure my circuit's design is at its best. At the moment the circuit is working, but since this is my first time designing a circuit from scratch with transistors, I ...
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Using a square and/or sine wave generator through a speaker [closed]
I have recently undergone some university study which introduced square and sine wave generators, I was wondering if there's a specific speaker I could use (its inputs would be a power supply and the ...
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Delta Sigma Modulator for 2/3 Multi modulus divider used in FracN PLL
I have been trying to implement a Delta Sigma modulator for a 2/3 Multi Modulus divider. I am referring to Riley's paper: https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=229400
I have designed ...
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Using multiple bench PSU for three outputs +/-18V, +11V for old synth
I am trying to power a vintage synthesizer (Roland MKS-30) on my bench without having to have the transformer and raw AC parts out near where I will be working.
The PSU of the synth has two rectifiers ...
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Swapping a number pad from telephone to synth [closed]
I’ve recently acquired from the trash a toy synth keyboard piano.
It works, but I wanted to create a stand-alone number pad from an old telephone.
I’d like to know if it’s possible and how to do it if ...
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Amplitude inversion circuit
I am a beginner in electric circuit building and I am trying to build a specific circuit aimed for audio transformation (guitar efx pedal, euro rack etc). I have built a number of implementations of ...
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Is it possible to access the data stored on a HN62304BPC99 ROM?
The HN62304BPC99 appears in a number of Roland synths.
Whilst I can find service manuals & the odd reference to dumping ROM contents, what I cant find as of yet is a way to wire up this chip in a ...
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Help IDing a high-power IC - OODOW 836 T57
I'm fault finding for a Korg M50 Synthesizer.
Symptoms: on every boot a message appears saying the device is updating the left/right control panel firmware, after which it requests a re-boot. ...
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Info about this older transformer from my Kimball organ
I have been harvesting parts from my dying kimball "Swinger 300" and I finally got around to disassembling the power supply. It had what I assumed to be a transformer attached, as the only ...
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How to synthetize a 10 kHz signal from 1 Hz analogically
I would like to synthesize a 1 Hz signal to a 10 kHz one without using MCU or related DPLLs.
Anyone has a schematic example? I found this reference schematic on Art of Electronics.
Would that suit (...
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