C1 comes in two versions – NDK/EPSON and FEMTO/AS318B
This is for the NDK/EPSON VERSION (pins on end of board are not soldered as they can be mounted on either side of the board depending on application)
We are the Singxer USA distributor! Shipped from USA!
C-1 digital interface module xCORE-200 interface U8 XMOS new upgraded version of the second generation XMOS chip developed high-XU208 USB interface also supports firmware upgrade interface. Schematics and firmware (including XMOS and CPLD) are our own development, not the public version.
We are the world’s first manufacturer to successfully develop with the XMOSXU208 chip.
Femtosecond refers to short-term stability of the crystal, usually with phase noise or jitter values.Usually crystal jitter parameters are expressed using ps, but when the jitter value lower than 1PS when expressed on the use of femtosecond (fs).
C-1 is positioned in our product line as a high-end performance and mainly adopted with these two Technologies:
2, the independent development of the system clock, using customized high-performance crystal , ultra-low phase noise, low jitter.
XU208 second generation XMOS chip memory than U8 double computing speed of terror 1000MIPS, U8 of 500MIPS than doubled.
2, it is known, the weight of the core is digital audio algorithms. Our team in the field of digital audio work for many years, and the strong support of XMOS FAE team, we conducted a number of technical improvements and optimization algorithms on the basis of the original firmware.
Screw position, I2S pin position is fully compatible with Italy Amanero module; the entire board with three crystal design, which is a customized version of the audio oscillator femtosecond oscillator, SMD small size package.
Each interface electrical standards:
2, RCA connector outputs standard S / PDIF signal level is 550mV (standard connection load), the output impedance of 75 ohms;
2, PCB board with 4-layer circuit board design, ensure that you have full power and ground plane layer, using the method of high-speed digital design, signal integrity and power integrity of the entire board. The clock signal for special treatment, using package design and precise impedance control, thereby ensuring the signal quality and increase the clock anti-jamming capability. Input and output signals follow a standard design, especially high-speed USB signals using a 90 ohm differential impedance control.
Here are two ultra-low jitter measured phase noise crystal dedicated audio, you can see and CCHD series CRYSTEK performance is just as good in a wide frequency range has been femtosecond jitter performance levels:
5, FS0, FS1, FS2 sampling rate indicator level, FS3 not;
Note from Kitsune: Singxer C1 -There are two versions of the C1, basically one is a femto version and one is pretty close to femto. 😀 The NDK/EPSON version is almost femto level. The performance is nearly identical, yet the other version which has the Accusilicon AS318B clocks are slightly better. We find them to be both excellent choices and these are considered one step below the F1 model that Singxer Offers as their flagship USB module.
order of performance/features
The Accusilicon AS318B version (download data sheet here)
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