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STD-10K ‐ Passive Audio Divider/Combiner - 10 kΩ
https://rdlnet.com/product.php?page=349
STA-1M Audio Line Amplifier - Mono: -14 to 14 dB Gain STA-2A Dual High Gain Line Amplifiers STD-10K Passive Audio Divider/Combiner - 10 kΩ STD-150 Passive Audio Divider/Combiner - 150 Ω STD-600 Passive Audio Divider/Combiner - 600 Ω STM-1 Microphone Preamplifier - 50 dB Gain STM-2 Adjustable Gain Microphone Preamplifier - 35 to 65 dB gain
Passive Audio Mixer W/ Channel Volume Control : 6 Steps ...
https://www.instructables.com/Passive-Audio-Mixer-w-Channel-Volume-Control/
This Audio Mixer mixes multiple audio inputs to a single audio output, with knobs to control the volume of each channel. My particular build features 4 stereo RCA inputs mixed to 1 stereo RCA output. You could easily alter this design to any combination of jacks that you need. This mixer is passive, meaning it requires no external power. It also means that nothing is amplified.
Building A Passive Sync Combiner | RetroRGB
https://www.retrorgb.com/building-a-passive-sync-combiner.html
Building A Passive Sync Combiner. There are many scenarios in the retro gaming world that you might need to use “VGA”, or RGBHV on a device that only accepts RGBs. I think the most common scenario might be people connecting 640×480 VGA to a 480p compatible RGB monitor, but there’s quite a few others, depending on your setup.
10K Audio Passive Summing circuit - Electrical Engineering ...
https://electronics.stackexchange.com/questions/226347/10k-audio-passive-summing-circuit
In response to comment: There are two ways to build a passive splitter/combiner. One way is to use multiple coils on a single audio transformer core. The other way uses resistors. The datasheet specifies that the STD-10K uses a resistor network to combine the signals. This guy built a resistor network combiner/splitter himself. Here's the schematic:
DIY Passive Audio Mixer : 5 Steps (with Pictures ...
https://www.instructables.com/DIY-Passive-Audio-Mixer/
DIY Passive Audio Mixer: I have wanted to make an audio mixer for a long time now, but I couldn't find one that would get two channels from one audio jack, so I made one! This mixer is passive, meaning it doesn't need power and it can be configured in Virtual DJ as an exter…
Multiple Options for Passive Audio Mixer - Electrical ...
https://electronics.stackexchange.com/questions/337848/multiple-options-for-passive-audio-mixer
I have two mono audio inputs that I need to passively combine into a single output. Both inputs have built-in volume controls so I don't need any volume control in the mixer. I've been looking at ways to do this, and have seen a couple common options. About 50% of suggestions seem to be for something like this:
Lecture 20: Passive Mixers
http://rfic.eecs.berkeley.edu/~niknejad/ee142_fa05lects/pdf/lect20.pdf
MOS passive mixer is very linear. The device is either “on” or “off” and does not impact the linearity too much. Since there is no transconductance stage, the linearity is very good. The downside is that the MOS mixer is passive, or lossy. There is no power gain in the device. Need large LO drive to turn devices on/off
RDL STD-10K Passive Audio Divider/Combiner - 10 kΩ - …
https://www.youtube.com/watch?v=YxFyqxu94Pc
An overview of the RDL STD-10K Passive Audio Divider/Combiner - 10 kΩ. The STD-10K is one of dozens of products in the STICK-ON® product series.View product...
How to Build a DIY Passive Summing Box – DIY …
https://www.diyrecordingequipment.com/blogs/news/15851740-how-to-build-a-diy-passive-summing-box
Building a passive summing box always seemed like a bit more of a hassle than it should be for such a simple circuit until I found Rhythm in Mind's idea for mounting everything on a front panel. It's a great approach for this project, as all of the components weigh in at a grand total of around 3 lbs. Simply drill a panel as I've drawn below ...
RDL STD-150 STICK-ON Passive Audio Divider/Combiner, 150 ...
https://proaudio.com/rdl-std-150-stick-on-passive-audio-divider-combiner-150-ohm/
Circuit Type: Passive; Circuit Configuration: Balanced; Input/Output Impedance: 150 ohms, 600 ohms, or 10 k ohms, as marked; Number of Inputs / Outputs: 4 total; usable in any combination; split; 1 in to 3 out; 2 in to 2 out; 3 in to 1 out; Insertion Loss: 3 dB; Isolation Between Channels: 3 dB (use RDL mixers or distribution amps for isolation)
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