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Boards and components for Do-It-Yourself
Also we can offer some PCB's from our old and closed projects, temporary and test boards, raw or assembled.
To see the prices - see the "Shop" page.
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D.I.Y. Devices and Modules
D.I.Y. Devices and Modules
High Speed USB ISOlator PCB
USB 2 High Speed (480Mb) Isolator for the ground loops and noise elimination.
ATCy-XXI v3.1
Phono Pre-Amplifier
"Nick Sukhov Cy-XXI" version with voltage regulator and mute relay
DAMP-A
8-channel + RCA Sub output, 12VDC powered DAC-Amplifier ( with automotive surge/spike protection and external potenciometer for the volume control)
4 x SSM3582A based.
DAMP2
USB 2/4Ch DAC-Amplifier, USB or 12VDC powered.
With indication and volume control potenciometer.
2 x SSM3582A based.
SPDIF To USB Input Interface
Coaxial or Optical (Toslink) inputs, selected by switch.
Any input sample rate (44.1-192kHz) is converted by ASRC (AK4137) and transmitted to PC as 96/24 using UAC1 transfer. No drivers required.
WaVega-2INT
volume regulator and input switch with a lot of options
DVCS Kit
Up to 16Ch remote volume control.
Tacho-Strob
Gadget for Vinyl - 2in1.
Quartz controlled, 50/60Hz stroboscope illuminator and RPM Meter.
TTConv.
SPDIF-TOSLINK, TOSLINK-SPDIF converter, i.e., coaxial-to-optical and optical-to-coaxial.
This is a universal board that can be soldered in two versions. Depending on which version is used, different components are installed. (Some components are common to both versions.)
The converter is powered by a LiPo battery, and the board includes a charger with indicator leds. A micro-USB port, which supplies 5V, is used for charging.
Current consumption is 10 to 15mA (depends of a sample rate), which, with the 300mAh battery I used, will give at least 20 hours of operation.
The battery can be glued to the top with double-sided tape, or, as in the photo, secured with double-sided adhesive tape (Kapton, etc.).
Three indicator LEDs: one for power and two for charging status ("charging" and "already charged").
SN74LVC1G125 can be used instead of 1G04.
Schematic, BOB and Gerber files
Isolated USB digital interface
Convert to:
S/PDIF (Coaxial, Optical),
Isolated LVDS HDMI I2S
TTL I2S
I2S output is jumper configurable, with Mute, PCM/DSD, 44x/48x signals and dual role master clock (input/output).
PCB
PCB
COMPONENTS
COMPONENTS
Unused NOS parts. Used components.
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