Active Real Ring Modulator

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This is a Kosmo format version of the CGS Active Real Ring Modulator by Ken Stone, with circuit description and demo.
00:00 Intro
00:10 Basic ring modulator circuit
03:39 Problems with the basic version
06:07 Active Real Ring Modulator circuit
08:40 Kosmo version
10:45 Demo: On the scope
13:42 Demo: Listening
16:55 Outro
Schematics, KiCad design files, Gerbers, and documentation in the repo: gitlab.com/rsholmes/arrm
Module blog post: analogoutputblog.wordpress.com/2022/05/05/cgs-ken-stone-active-real-ring-modulator/
Simulation blog post: analogoutputblog.wordpress.com/2022/08/10/ring-modulator-forward-voltage/
Music: Ringtone by Rich Holmes

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Опубликовано:

13 авг 2022

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Комментарии : 14

@codymchardy7465 27 дней назад

Youre awesome !

@russliquid4858 Год назад

sounds like a XOR gate ! btw love ya videos... thank you for taking the time to share your knowledge.

@JamesPearson Год назад

Excellent video, thank you. I hadn’t yet explored ring modulators and so your brilliant explanations has brought me right up to speed.

@jamesmoffat9754 2 месяца назад

Using a sine wave for the carrier will result in fewer harmonics.

@iLikeTheUDK Год назад

Extremely neat! I wanna hear it on a human voice now. Would be fun to try doing a Dalek voice with it :3

@harrywoodell7008 Год назад

I'll have to read the blog post on diode drop effects. I was thinking of going the other way with the diodes, using four of your precision rectifiers like you used to fix the decay tail on the Kassutronics envelope generator.

@analog_output Год назад

Breadboard it! I'd be interested to hear how it goes. (And it wasn't me using them to fix the Kassu EG, it was Kassu using them to fix the YuSynth EG...)

@harrywoodell7008 Год назад

How difficult would it be to add CV over offset? That knob is crying out for "magic hands".

@analog_output Год назад

Trivial, presumably! The knob's just a voltage divider going into a summing node. Connect CV jack to a series 100k resistor to U1 pin 2, that should do it.

@matrixmodulator Год назад

Is there some alternative, similar but i don't care if it's not exactly a ring mod circuit?

@Slope114 5 месяцев назад

You could just run a voice through a vca & use a vco to modulate the vca. It won’t be same but nearly.

@return2sender791 День назад

xor

@PWMaarten Год назад

ARP but also Krog did this. I don’t like this just as discrete means not digital nowadays, a real pet peeve of me. Discrete means no Integrated Circuits.