Valab 49.1520 & 24.5760 MHz Temperature Compensated Crystal Oscillator Module
Almost all audio builders know upgrading precision clock in your dac or cd player is most rewarding investment in digital source. So precision crystal Oscillator become so popular parts in audio tweaking market. While you may not know precision clock need very stable and low noise power supply to get right performance. Direct replacement can only obtain marginal benefit of your expensive investment.
Here we supply our clock upgrade module to critical audio builder. In this module we integrate 2 stage voltage regulator to supply very clean low noise power to our custom ordered 1ppm tcxo. And after tcxo clock out, we use one 74h163n high speed and low impedance driver for clock signal output. This clock module must be best clock upgrade kit in audio tweaking market. We will also use this module in our great credit NOS 1543 DAC in next version.
Features of this precision clock module:
1. Clock generator : 1ppm 49.1520 MHz TCXO /Waveform: TTL/CMOS / Phase Noise: -125dBc/1KHz /Aging: 2ppm per year. 2. Two stage voltage regulator by TL431 to offer very low noise power to TCXO, which is critical to get frequency stability of TCXO. 3. High speed and low output impedance 74h163n wave buffer for clock signal. a. It will benefit to get stable and anti noise clock signal. b. It also supply frequency division, so you can get not only 49.1520 but also 24.5760 and 12.2880 MHz clock signal simultaneously. 3. If your digital system need both frequency listed above, you can offer two clock from synchronic clock source with minimal jitter. 4. High quality parts used in this module like Phlips BC 036 and 037 capacitor, Dale military resistor and high speed/low noise diode. 5. This module should feed 8~12vac 0.5a power input
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