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The Audio-GD DI-24 digital interface is based on an Amanero Combo 384 USB module coupled to a pair of Accusilicon 90/98MHz clocks. The circuit is designed to offer a plethora of options with regard to clock usage strategies: interfacing from the internal clocks, using an external clock (slave mode), or offloading the internal clock to a third-party device (master mode). This type of circuit allows integration into highly advanced audio systems.
An Altera FGPA logic circuit is responsible for generating the output signal. This high-frequency chip is isolated from the USB interface to avoid any parasitic noise, both in terms of signal conversion and clock signal accuracy.
1 | Firmware update port and USB firmware reset button |
2 | USB-B input |
3 | Power input |
4 | AES/EBU 110Ω output |
5 | 75Ω coaxial output |
6 | 75Ω 10MHz BNC output |
7 | 50Ω 10MHz BNC output |
8 | I2S HDMI LVDS output |
9 | 75Ω 10MHz BNC input |
10 | 50Ω 10MHz BNC input |
Technical characteristics
Specifications | |
---|---|
Product type | Digital interface |
Inputs | 1x USB-B 1x Clock input 10MHz BNC 50Ω (0.3Vpp - 3Vpp) 1x Clock input 10Mhz BNC 75Ω (0.3Vpp - 3Vpp) |
Outputs | 1x I2S HDMI LVDS 3.3V @ 100Ω 1x Coaxial 0.5Vp-p @ 75Ω 1x AES/EBU 5Vp-p @ 110Ω 1x Clock output 10MHz BNC, > 9dBm @ 50Ω |
USB compatibility | Windows OSX Linux ISO |
Supported sampling rates | USB / I2S : PCM up to 32bit 384kHz, DSD up to DSD512 AES/EBU / SPDIF : PCM up to 384kHz |
General | |
---|---|
Supply voltage | 220-240VAC 50/60Hz |
Consumption | 17W |
Dimensions (L x P x H) | 360 x 240 x 85mm |
Weight | 3.5kg |
Color | Black |
Package | 1x Audio-GD DI-24 1x USB cable 1x Power cable |
Input | USB |
Input | BNC |
Output | AES/EBU |
Output | I2S LVDS via HDMI |
Output | BNC |
Output | Coaxial SPDIF |
Max sampling rate | 384kHz |
Max sampling rate | DSD512 |
Color | Black |
Interface chip | Amanero 384 |